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Posted: 8/27/2021 11:50:42 PM EDT
[#1]
Quote HistoryQuote History Originally Posted By Air_Soft_Contractor: Getting ready to assemble a Block II. I have a government profile and a SOCOM profile barrel to choose from. It seems heavy enough with the government profile barrel, but I don't know what else I would do with the SOCOM barrel. Any tips on mounting the RIS II? Blue Loctite on the bolts? I usually degrease everything with strong alcohol, but the pandemic has caused it to go in short supply. I have BrakeKlean and acetone, but don't like using strong chemical if I don't have too. I degrease the barrel, gas block and gas block screws before Loctite. The barrel nut, rail nut grease is going to get synthetic moly automotive grease in place of the aviation grease. Same thickness / type of grease, just slightly lower moly content, which I doubt is really needed. M84 charging handle, Colt upper, COLT BCG, B5 Gen 1 stock, 4 position extension, ambi selector, Geissele 3 Gun curved trigger for short reset enjoyment, DD MK12 gas block, Surefire 4 prong and Knight's flash hiders to choose and I got one of those Ergo grips, though my hands are larger than average, the Ergo grip seems to be one of largest. My new Colt grip looks gray from the aluminum oxide blasting at the factory, but should turn black when wiped with oil, I hope. I got a couple of Coyote A2 grips that look slightly lighter than the Knight;s taupe grip. I have both black and tan B5 gen 1 SOPMOD stocks. A new laser I haven't tried yet, optics and lights. Back when I had a 231:  Attached File |
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DC, USA
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Posted: 8/28/2021 12:22:37 AM EDT
[Last Edit: Air_Soft_Contractor]
[#2]
Quote HistoryOriginally Posted By LsuJon: Technically, this is also a Block II thread But yeah follow those directions and you'll be good. I usually use a spare optic or carry handle to make sure the rail is aligned. Back when I had a 231: https://www.ar15.com/media/mediaFiles/316069/BC046AC0-3DA3-4FF4-B253-6B77636A705B_jpe-2069012.JPG Quote HistoryOriginally Posted By LsuJon: Originally Posted By Air_Soft_Contractor: Getting ready to assemble a Block II. I have a government profile and a SOCOM profile barrel to choose from. It seems heavy enough with the government profile barrel, but I don't know what else I would do with the SOCOM barrel. Any tips on mounting the RIS II? Blue Loctite on the bolts? I usually degrease everything with strong alcohol, but the pandemic has caused it to go in short supply. I have BrakeKlean and acetone, but don't like using strong chemical if I don't have too. I degrease the barrel, gas block and gas block screws before Loctite. The barrel nut, rail nut grease is going to get synthetic moly automotive grease in place of the aviation grease. Same thickness / type of grease, just slightly lower moly content, which I doubt is really needed. M84 charging handle, Colt upper, COLT BCG, B5 Gen 1 stock, 4 position extension, ambi selector, Geissele 3 Gun curved trigger for short reset enjoyment, DD MK12 gas block, Surefire 4 prong and Knight's flash hiders to choose and I got one of those Ergo grips, though my hands are larger than average, the Ergo grip seems to be one of largest. My new Colt grip looks gray from the aluminum oxide blasting at the factory, but should turn black when wiped with oil, I hope. I got a couple of Coyote A2 grips that look slightly lighter than the Knight;s taupe grip. I have both black and tan B5 gen 1 SOPMOD stocks. A new laser I haven't tried yet, optics and lights. Back when I had a 231: https://www.ar15.com/media/mediaFiles/316069/BC046AC0-3DA3-4FF4-B253-6B77636A705B_jpe-2069012.JPG Thanks, when I first started building these things 35 years ago, I don't remember super special grease, but there was a generic moly grease specified, not synthetic or aviation though. I figured the same grade of automotive grease with slightly less moly than the current aviation grease should be fine for barrel nuts. It's not really doing that much. I bought a RIS II a while ago and it came in a thick cardboard box. The newest I bought came in a thin cardboard box with the instruction printed on the outside, while the older one has an instruction card inside. The older FDE one looks gray, but the newer one looks really FDE in color. |
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Posted: 8/28/2021 12:27:06 AM EDT
[Last Edit: Combat_Diver]
[#3]
Quote HistoryOriginally Posted By Air_Soft_Contractor: Getting ready to assemble a Block II. I have a government profile and a SOCOM profile barrel to choose from. It seems heavy enough with the government profile barrel, but I don't know what else I would do with the SOCOM barrel. Your call on personal preference Any tips on mounting the RIS II? Use something to bridge the upper and rail together. I use a PRI receiver block. However a detachable carrying handle or derlin vise rail block works too. Keeps the two halves aligned as you tighten the screws.  Attached FileBlue Loctite on the bolts? They have locktite on them already (at least from factory)  Attached FileSee above answers in RED. What barrel legnth? CD |
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Posted: 8/28/2021 12:43:48 AM EDT
[#4]
Quote HistoryOriginally Posted By Air_Soft_Contractor: Thanks, when I first started building these things 35 years ago, I don't remember super special grease, but there was a generic moly grease specified, not synthetic or aviation though. I figured the same grade of automotive grease with slightly less moly than the current aviation grease should be fine for barrel nuts. It's not really doing that much. I bought a RIS II a while ago and it came in a thick cardboard box. The newest I bought came in a thin cardboard box with the instruction printed on the outside, while the older one has an instruction card inside. The older FDE one looks gray, but the newer one looks really FDE in color. |
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DC, USA
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Posted: 8/28/2021 12:59:51 AM EDT
[#5]
Quote HistoryOriginally Posted By Combat_Diver: https://www.ar15.com/media/mediaFiles/32677/IMG_7017_JPG-2069054.JPG See above answers in RED. What barrel legnth? CD Quote HistoryOriginally Posted By Combat_Diver: Originally Posted By Air_Soft_Contractor: Getting ready to assemble a Block II. I have a government profile and a SOCOM profile barrel to choose from. It seems heavy enough with the government profile barrel, but I don't know what else I would do with the SOCOM barrel. Your call on personal preference Any tips on mounting the RIS II? Use something to bridge the upper and rail together. I use a PRI receiver block. However a detachable carrying handle or derlin vise rail block works too. Keeps the two halves aligned as you tighten the screws. https://www.ar15.com/media/mediaFiles/32677/m16-ar15-upper-receiver-assembly-vise-bl-2069043.JPG Blue Loctite on the bolts? They have locktite on them already (at least from factory) https://www.ar15.com/media/mediaFiles/32677/IMG_7017_JPG-2069054.JPG See above answers in RED. What barrel legnth? CD Ah, I'm doing both MK18 and M4 RIS II builds now, 10.3" and 14.5". |
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Posted: 8/28/2021 1:18:40 AM EDT
[#6]
Quote HistoryOriginally Posted By LsuJon: Aeroshell 33ms is what I believe your referring too, but CD would definitely know. Moly Grease per TM MIL-G-21164. You should be good using what you have.  Attached FileCD |
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Posted: 8/28/2021 1:21:52 AM EDT
[#7]
Quote HistoryOriginally Posted By Air_Soft_Contractor: Ah, I'm doing both MK18 and M4 RIS II builds now, 10.3" and 14.5". Good to go. DD Mk18 RIS II or Mk18 Mod 0? People don't always use the same nomenclature for me.  Attached FileCD |
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DC, USA
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Posted: 8/28/2021 1:25:08 AM EDT
[Last Edit: Air_Soft_Contractor]
[#8]
Quote HistoryOriginally Posted By Combat_Diver: Good to go. DD Mk18 RIS II or Mk18 Mod 0? People don't always use the same nomenclature for me. https://www.ar15.com/media/mediaFiles/32677/IMG_0181_JPG-2069077.JPG CD Quote HistoryOriginally Posted By Combat_Diver: Originally Posted By Air_Soft_Contractor: Ah, I'm doing both MK18 and M4 RIS II builds now, 10.3" and 14.5". Good to go. DD Mk18 RIS II or Mk18 Mod 0? People don't always use the same nomenclature for me. https://www.ar15.com/media/mediaFiles/32677/IMG_0181_JPG-2069077.JPG CD One DD MK18 RIS II and one DD M4 RIS II to build. I do have an MK18 Mod 0 with a KAC RIS and 1st version KAC flash hider. |
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Posted: 8/28/2021 2:46:08 AM EDT
[#9]
Quote HistoryOriginally Posted By Air_Soft_Contractor: One DD MK18 RIS II and one DD M4 RIS II to build. I do have an MK18 Mod 0 with a KAC RIS and 1st version KAC flash hider. Enjoy your builds. CD |
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DC, USA
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Posted: 8/28/2021 11:54:40 AM EDT
[#10]
As a substitute for Aeroshell 64, which is a synthetic gray extreme pressure grease with 5 percent molybdenum disulphide, I am using synthetic automotive gray extreme pressure grease with 3 percent molybdenum disulphide.
It's a barrel nut, not landing gear. I figure that should work as well as any grease for the threads. |
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Posted: 8/28/2021 12:21:03 PM EDT
[#11]
Quote HistoryOriginally Posted By Air_Soft_Contractor: As a substitute for Aeroshell 64, which is a synthetic gray extreme pressure grease with 5 percent molybdenum disulphide, I am using synthetic automotive gray extreme pressure grease with 3 percent molybdenum disulphide. It's a barrel nut, not landing gear. I figure that should work as well as any grease for the threads. Any quality EP Moly grease works fine. |
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Posted: 8/28/2021 12:24:07 PM EDT
[#12]
Quote HistoryOriginally Posted By LsuJon: Technically, this is also a Block II thread True. Just more specific info pertaining to the RIS II over there.  And +1 on using a detachable carry handle to span the top rails for alignment while tightening. |
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DC, USA
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Posted: 8/28/2021 12:51:03 PM EDT
[#13]
Quote HistoryOriginally Posted By Tigwelder1971: Any quality EP Moly grease works fine. Quote HistoryOriginally Posted By Tigwelder1971: Originally Posted By Air_Soft_Contractor: As a substitute for Aeroshell 64, which is a synthetic gray extreme pressure grease with 5 percent molybdenum disulphide, I am using synthetic automotive gray extreme pressure grease with 3 percent molybdenum disulphide. It's a barrel nut, not landing gear. I figure that should work as well as any grease for the threads. Any quality EP Moly grease works fine. I would stick with a gray EP grease, as the color is usually a good indication of at least being the same or similar class of EP grease. |
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Posted: 8/28/2021 12:53:03 PM EDT
[#14]
Quote HistoryOriginally Posted By Tigwelder1971: True. Just more specific info pertaining to the RIS II over there. And +1 on using a detachable carry handle to span the top rails for alignment while tightening. as such  Attached FileCD |
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Posted: 8/28/2021 1:05:00 PM EDT
[Last Edit: Combat_Diver]
[#15]
Found my other photos out of thousands I was looking for. Here the tools (-locking nut wrench) that are extremely helpful. Block to align upper/rail and a long T handle allen wrench or socket adapter (rachet or drill).
 Attached FileKeep this T handle, PRI block above and CD wrench below in my fly away tool kit  Attached FileBarrel nut wrenches Top-Down DD Lite RIS II (thinnest at .125") DD current (.225) Classified Defense (poster here allensaldi , .25?, this one is a prototype) MTRC (made down range, .375")  Attached FileCD |
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DC, USA
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Posted: 8/28/2021 1:25:18 PM EDT
[#16]
This is the grease I am using now.
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DC, USA
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Posted: 8/28/2021 1:30:58 PM EDT
[#17]
Quote HistoryOriginally Posted By Combat_Diver: Found my other photos out of thousands I was looking for. Here the tools (-locking nut wrench) that are extremely helpful. Block to align upper/rail and a long T handle allen wrench or socket adapter (rachet or drill). https://www.ar15.com/media/mediaFiles/32677/DD_RIS_II_tools_IMG_9934_JPG-2069482.JPG Keep this T handle, PRI block above and CD wrench below in my fly away tool kit https://www.ar15.com/media/mediaFiles/32677/DD_RIS_II_TOOLs_IMG_9796_JPG-2069484.JPG Barrel nut wrenches Top-Down DD Lite RIS II (thinnest at .125") DD current (.225) Classified Defense (poster here allensaldi , .25?, this one is a prototype) MTRC (made down range, .375") https://www.ar15.com/media/mediaFiles/32677/IMG_9523_JPG-2069486.JPG CD Great, thanks for posting. I haven't cracked open the plastic on the rails, but I do have some extra DD barrel nut wrenches and a decent collection of Allen and Torx wrenches, though mostly metric. My smallest torque wrench goes down enough for the gas block screws, but just barely. Maybe I'll get one of those little driver types. Most of my tools are 30 or 40 years old and US-made. |
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Posted: 8/28/2021 1:32:11 PM EDT
[#18]
Quote HistoryOriginally Posted By Air_Soft_Contractor: This is the grease I am using now. https://i.ibb.co/5FHN1wx/DSCN0205.jpg Good to go CD |
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Posted: 8/28/2021 1:36:24 PM EDT
[Last Edit: Combat_Diver]
[#19]
Quote HistoryOriginally Posted By Air_Soft_Contractor: Great, thanks for posting. I haven't cracked open the plastic on the rails, but I do have some extra DD barrel nut wrenches and a decent collection of Allen and Torx wrenches, though mostly metric. My smallest torque wrench goes down enough for the gas block screws, but just barely. Maybe I'll get one of those little driver types. Most of my tools are 30 or 40 years old and US-made. Gas block set screw 3/32" hex wrench Rail retaining screws 5/32" hex wrench Ball heads preferred for coming in at an angle. CD |
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DC, USA
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Posted: 8/28/2021 2:08:22 PM EDT
[#20]
Quote HistoryOriginally Posted By Combat_Diver: Gas block set screw 3/32" hex wrench Rail retaining screws 5/32" hex wrench Ball heads preferred for coming in at an angle. CD Quote HistoryOriginally Posted By Combat_Diver: Originally Posted By Air_Soft_Contractor: Great, thanks for posting. I haven't cracked open the plastic on the rails, but I do have some extra DD barrel nut wrenches and a decent collection of Allen and Torx wrenches, though mostly metric. My smallest torque wrench goes down enough for the gas block screws, but just barely. Maybe I'll get one of those little driver types. Most of my tools are 30 or 40 years old and US-made. Gas block set screw 3/32" hex wrench Rail retaining screws 5/32" hex wrench Ball heads preferred for coming in at an angle. CD I've got metric ball end wrenches, but I don't think any of my inch ones are. I can get some when I get one of those torque wrench drivers, now that i know the sizes to get. |
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Posted: 8/28/2021 2:10:13 PM EDT
[#21]
Quote HistoryOriginally Posted By Air_Soft_Contractor: I would stick with a gray EP grease, as the color is usually a good indication of at least being the same or similar class of EP grease. Quote HistoryOriginally Posted By Air_Soft_Contractor: Originally Posted By Tigwelder1971: Originally Posted By Air_Soft_Contractor: As a substitute for Aeroshell 64, which is a synthetic gray extreme pressure grease with 5 percent molybdenum disulphide, I am using synthetic automotive gray extreme pressure grease with 3 percent molybdenum disulphide. It's a barrel nut, not landing gear. I figure that should work as well as any grease for the threads. Any quality EP Moly grease works fine. I would stick with a gray EP grease, as the color is usually a good indication of at least being the same or similar class of EP grease. Personal preference. I've used several w/o issue. Chevron Delo ESI EP 2 is my current use grease. Fortified with a lithium thickener, red in color. |
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DC, USA
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Posted: 8/28/2021 2:42:33 PM EDT
[#22]
I compared several automotive greases with Aeroshell 64.
What I ended up with is very similar, except Aeroshell 64 has 5 percent molybdenum disulfide, which is rare in automotive grease, but 3 percent molybdenum disulfide is common and recommended for heavy equipment and farm machinery. I figured with everything else being basically the same, it should be alright for something as simple as a barrel nut. |
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Posted: 8/28/2021 2:46:38 PM EDT
[#23]
I have a surplus 14.5 socom barrel but the front handguard cap isn't installed, and I can not get the FSP pins out, anyone know where I can send it off to get unpinned and repinned?
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Posted: 8/28/2021 2:53:03 PM EDT
[#24]
Quote HistoryOriginally Posted By Yumago: I have a surplus 14.5 socom barrel but the front handguard cap isn't installed, and I can not get the FSP pins out, anyone know where I can send it off to get unpinned and repinned? JT at Retro Arms Works. |
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Posted: 8/28/2021 2:55:09 PM EDT
[#25]
Quote HistoryOriginally Posted By Yumago: I have a surplus 14.5 socom barrel but the front handguard cap isn't installed, and I can not get the FSP pins out, anyone know where I can send it off to get unpinned and repinned? Have you used a real big hammer and rod to transfer force?  Attached File Attached FileCD |
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Posted: 8/28/2021 3:10:34 PM EDT
[#26]
Sadly I don't have that big of a hammer or punch. It looks like the FSP was repinned at some point, and instead of knocking them out left to right, it looks like it has to go right to left.
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Posted: 8/28/2021 3:25:28 PM EDT
[#27]
Quote HistoryOriginally Posted By Yumago: It looks like the FSP was repinned at some point, and instead of knocking them out left to right, it looks like it has to go right to left. That could end up being a mess. |
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Posted: 8/28/2021 3:41:09 PM EDT
[#28]
Quote HistoryOriginally Posted By Tigwelder1971: That could end up being a mess. That is why I want a professional to mess with it |
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Posted: 8/28/2021 4:48:55 PM EDT
[#29]
Quote HistoryOriginally Posted By Combat_Diver: Have you used a real big hammer and rod to transfer force? https://www.ar15.com/media/mediaFiles/32677/Front_Sight_removal_IMG_6575_JPG-2069623.JPG https://www.ar15.com/media/mediaFiles/32677/Front_sight_removal_tools_jpg-2069626.JPG CD Quote HistoryOriginally Posted By Combat_Diver: Originally Posted By Yumago: I have a surplus 14.5 socom barrel but the front handguard cap isn't installed, and I can not get the FSP pins out, anyone know where I can send it off to get unpinned and repinned? Have you used a real big hammer and rod to transfer force? https://www.ar15.com/media/mediaFiles/32677/Front_Sight_removal_IMG_6575_JPG-2069623.JPG https://www.ar15.com/media/mediaFiles/32677/Front_sight_removal_tools_jpg-2069626.JPG CD Is that your version of a necklace made of your enemies ears?
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Posted: 8/28/2021 5:20:20 PM EDT
[#30]
Quote HistoryOriginally Posted By SecretSquirell: Is that your version of a necklace made of your enemies ears? Quote HistoryOriginally Posted By SecretSquirell: Originally Posted By Combat_Diver: Originally Posted By Yumago: I have a surplus 14.5 socom barrel but the front handguard cap isn't installed, and I can not get the FSP pins out, anyone know where I can send it off to get unpinned and repinned? Have you used a real big hammer and rod to transfer force? https://www.ar15.com/media/mediaFiles/32677/Front_Sight_removal_IMG_6575_JPG-2069623.JPG https://www.ar15.com/media/mediaFiles/32677/Front_sight_removal_tools_jpg-2069626.JPG CD Is that your version of a necklace made of your enemies ears? 
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TX, USA
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Posted: 8/28/2021 6:43:18 PM EDT
[#31]
Quote HistoryOriginally Posted By SecretSquirell: One of these guys?  https://www.ar15.com/media/mediaFiles/204916/20190119_140835-813667.jpg Lucky! Got a Matech rear sight and Colt ambi selector coming. This will be fun 
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DC, USA
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Posted: 8/28/2021 11:13:10 PM EDT
[#32]
Quote HistoryOriginally Posted By Yumago: Sadly I don't have that big of a hammer or punch. It looks like the FSP was repinned at some point, and instead of knocking them out left to right, it looks like it has to go right to left. with Chinese tools these days it might as cheap to buy the tools as to send off the barrel to have it done. But yeah, it can be pain to have to mess with buying things you only use once. |
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WV, USA
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Posted: 8/30/2021 8:07:02 AM EDT
[#33]
Looking for feedback on anything that I may have overlooked on this build.
Still need a knights RIS rail and a light. Anything else? Upper is an LEO trade in that's all Colt. I added a spacer and knights NT4 FH. It's wearing a Matech rear and an Aimpoint Pro in an M68 mount. Lower is PSA M4 carbine, US Property marked w/ reproduction A1 grip and genuine gen1 LMT SOPMOD stock.  
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USA
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Posted: 8/30/2021 2:04:03 PM EDT
[#34]
 My base for a Block I build, LE prefix 6721. If anyone has a line on a Trijicon reflex thumbscrew mount and polarizing filter I'd really appreciate it. |
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Posted: 8/30/2021 3:57:26 PM EDT
[#35]
Quote HistoryOriginally Posted By Ditch-Tiger: Looking for feedback on anything that I may have overlooked on this build. Still need a knights RIS rail and a light. Anything else? Upper is an LEO trade in that's all Colt. I added a spacer and knights NT4 FH. It's wearing a Matech rear and an Aimpoint Pro in an M68 mount. Lower is PSA M4 carbine, US Property marked w/ reproduction A1 grip and genuine gen1 LMT SOPMOD stock. https://i.imgur.com/2t6X1xH.jpg https://i.imgur.com/PmFndKR.jpg I’d swap the A1 grip for a Colt A2 grip. Otherwise looks good and will look more complete once you get the KAC rail. |
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WV, USA
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Posted: 8/30/2021 9:23:52 PM EDT
[#36]
Quote HistoryOriginally Posted By HD2006: I’d swap the A1 grip for a Colt A2 grip. Otherwise looks good and will look more complete once you get the KAC rail. Oh man, don't say that! I hate the finger bump on A2 grips. |
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Posted: 8/30/2021 9:56:11 PM EDT
[#37]
Quote HistoryOriginally Posted By Ditch-Tiger: Oh man, don't say that! I hate the finger bump on A2 grips. |
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DC, USA
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Posted: 8/31/2021 6:17:05 PM EDT
[#38]
Quote HistoryOriginally Posted By LsuJon: Technically, this is also a Block II thread But yeah follow those directions and you'll be good. I usually use a spare optic or carry handle to make sure the rail is aligned. Back when I had a 231: https://www.ar15.com/media/mediaFiles/316069/BC046AC0-3DA3-4FF4-B253-6B77636A705B_jpe-2069012.JPG Quote HistoryOriginally Posted By LsuJon: Originally Posted By Air_Soft_Contractor: Getting ready to assemble a Block II. I have a government profile and a SOCOM profile barrel to choose from. It seems heavy enough with the government profile barrel, but I don't know what else I would do with the SOCOM barrel. Any tips on mounting the RIS II? Blue Loctite on the bolts? I usually degrease everything with strong alcohol, but the pandemic has caused it to go in short supply. I have BrakeKlean and acetone, but don't like using strong chemical if I don't have too. I degrease the barrel, gas block and gas block screws before Loctite. The barrel nut, rail nut grease is going to get synthetic moly automotive grease in place of the aviation grease. Same thickness / type of grease, just slightly lower moly content, which I doubt is really needed. M84 charging handle, Colt upper, COLT BCG, B5 Gen 1 stock, 4 position extension, ambi selector, Geissele 3 Gun curved trigger for short reset enjoyment, DD MK12 gas block, Surefire 4 prong and Knight's flash hiders to choose and I got one of those Ergo grips, though my hands are larger than average, the Ergo grip seems to be one of largest. My new Colt grip looks gray from the aluminum oxide blasting at the factory, but should turn black when wiped with oil, I hope. I got a couple of Coyote A2 grips that look slightly lighter than the Knight;s taupe grip. I have both black and tan B5 gen 1 SOPMOD stocks. A new laser I haven't tried yet, optics and lights. Back when I had a 231: https://www.ar15.com/media/mediaFiles/316069/BC046AC0-3DA3-4FF4-B253-6B77636A705B_jpe-2069012.JPG Thanks, I had to look around here, but found a Colt carry handle that should be straight. I've got a dual remote switch on an M600V with an LA-5 for my MK18 build, but only have a push button cap for the M600U for the M4A1 Block II. i might get a single remote switch for it. We've got a big storm headed our way. I'm not sure how soon i can get a torque driver and a T-handle ball end hex wrenches the correct size. I usually just torque the gas block screws until the little Allen handle starts to bend. I've got regular inch Allen wrenches that might reach the DD RIS II hardware. |
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Posted: 8/31/2021 7:44:55 PM EDT
[#39]
 
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Posted: 8/31/2021 9:41:02 PM EDT
[#40]
Factory colt gun, only addition is the aimpoint
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AZ, USA
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Posted: 9/4/2021 5:31:06 PM EDT
[#41]
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Posted: 9/5/2021 7:44:15 AM EDT
[#42]
Quote HistoryOne of the best rattlecan jobs I've seen yet. |
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OH, USA
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Posted: 9/5/2021 8:04:36 AM EDT
[#43]
Are tear drop forward assist at all correct for a block 1?
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Posted: 9/5/2021 8:17:38 AM EDT
[Last Edit: Combat_Diver]
[#44]
Quote HistoryOriginally Posted By bimmertech87: Are tear drop forward assist at all correct for a block 1? Generally NO as Block Is were new M4A1 Carbines. However, armorer rebuilds its possible as in system. I've seen Block IIs with tear drop FA. Mk12 and Mk18 Mod 0s that used M16A1 lowers may but uppers would generally been new stock (these are also not Block Is) CD |
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Posted: 9/5/2021 10:10:41 PM EDT
[#45]
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USA
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Posted: 9/7/2021 3:00:57 AM EDT
[#46]
Anyone have any pictures of a block 1/PR with an exps3? Thinking of switching out my aimpoint pro and getting into the PR. I’d consider going block 2, but would prefer not to have to cut off my Sf3p to get a ris ii on. I just went though pages for an hour but couldn’t find much.
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Posted: 9/7/2021 3:16:49 AM EDT
[Last Edit: brodband8]
[#47]
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Posted: 9/7/2021 5:16:56 AM EDT
[#48]
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Posted: 9/7/2021 11:44:43 AM EDT
[#49]
Should I put my Aimpoint Comp ML2 4MOA on my Colt Block 1.5 with Vltor stock or my Aimpoint Comp ML3?
Finally ended up with both after doing some wheeling and dealing, let go of a few guns I wasn’t using in order to buy optics that I’d been putting off for years |
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Posted: 9/7/2021 12:46:35 PM EDT
[#50]
Quote HistoryOriginally Posted By crazysarge16: Should I put my Aimpoint Comp ML2 4MOA on my Colt Block 1.5 with Vltor stock or my Aimpoint Comp ML3? Finally ended up with both after doing some wheeling and dealing, let go of a few guns I wasn’t using in order to buy optics that I’d been putting off for years ML3 has better battery life/no NV capability/was not issued kit, AFAIK. |
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