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PA, USA
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Posted: 12/30/2018 5:53:33 PM EDT
[#1]
Thanks. Any plans on a fore grip?
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Posted: 12/30/2018 6:02:19 PM EDT
[#2]
Quote HistoryOriginally Posted By speedjunkie:
Thanks. Any plans on a fore grip? |
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USA
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Posted: 12/30/2018 7:52:39 PM EDT
[#3]
Was able to get to the range after work yesterday to sight in. I was hesitant to build a 11.5 upper because I've always (15 years) run 10.5 and now 10.3 uppers.
Every time I built a 11.5 or that matter 12.5 upper it was always sold off or traded for something else. So, along came the G Federal rail. In true AR15 fashion I bought one. I tried to buy a FBI/Colt heavy barrel but was put on the waiting list from the Monday after Thanksgiving. Being impatient I found a Daniel Defense 11.5 barrel for $240 delivered from a vendor here. Colt upper, lower, bolt group DD 11.5 barrel Troy sights T1 in Larue, in my world Geissele and Larue co-exist Gen 1 LMT H2 and carbine spring DD states they use a .069 gas port on their current 11.5 barrels. This combo runs very smooth with full power 5.56. Ejection was consistant 3:00-3:30. I like it! I'll keep this one. 
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USA
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Posted: 12/30/2018 8:11:25 PM EDT
[#4]
Quote HistoryOriginally Posted By HCM3156:
There is no “one” configuration for FBI Guns rifles. There are some general guidelines. The pistols are rifles are color coded for administrative and logistical reasons. HRT has tan. SWAT had OD green carbines and battlefield green G17s. Regular issue or POW is black /black.... |
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AL, USA
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Posted: 12/30/2018 8:35:47 PM EDT
[#5]
Quote HistoryOriginally Posted By loudxpack:
Possibly a tango down stubby, I will keep it bare for now though. Quote HistoryOriginally Posted By loudxpack:
Originally Posted By speedjunkie:
Thanks. Any plans on a fore grip? |
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Posted: 12/30/2018 10:01:24 PM EDT
[Last Edit: kells81]
[#6]
Still have some work to do but spent some time yesterday between fishing and working on some tile work to pull the 14.5" barrel and throw down the 11.5" barrel and install the rail. Still working down the VFG and PG but may leave the stock/PG/VFG all black and the main rifle parts green or may just go all out and get all green. Also had to order a gas block dimple jig from midway since this barrel didn't have any dimples at all. I was hoping to run it today and shake it out but I am remodeling one of our showers and I am something like 6 days into a job I should have called a pro to do 7 days ago.
 hopefully tomorrow
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Posted: 12/30/2018 11:50:08 PM EDT
[#7]
Quote HistoryOriginally Posted By kells81:
Still have some work to do but spent some time yesterday between fishing and working on some tile work to pull the 14.5" barrel and throw down the 11.5" barrel and install the rail. Still working down the VFG and PG but may leave the stock/PG/VFG all black and the main rifle parts green or may just go all out and get all green. Also had to order a gas block dimple jig from midway since this barrel didn't have any dimples at all. I was hoping to run it today and shake it out but I am remodeling one of our showers and I am something like 6 days into a job I should have called a pro to do 7 days ago. hopefully tomorrowhttps://www.AR15.Com/media/mediaFiles/43495/IMG_2424_JPG-790688.jpg |
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NJ, USA
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Posted: 12/31/2018 2:02:05 AM EDT
[#8]
Quote HistoryOriginally Posted By kells81:
Green rail came today. Pretty close match to the Colt Upper/Lower it will be used on that was one of the $550 expanse clearance guns. Wish I would have scooped up 5-6 more of them when they blew them out or at least one of the FDE ones. https://www.AR15.Com/media/mediaFiles/43495/IMG_8069_copy-787458.jpg |
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Posted: 12/31/2018 2:13:44 AM EDT
[#9]
Quote HistoryOriginally Posted By RealFreakinNato: just curious what buffer tube is that? Could also be a RGuns green tube... |
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Posted: 12/31/2018 10:00:32 AM EDT
[Last Edit: kells81]
[#10]
Quote HistoryOriginally Posted By wissota4:
Looks like one of the colt 4 pos tubes. Could also be a RGuns green tube... Quote HistoryOriginally Posted By wissota4:
Originally Posted By RealFreakinNato: just curious what buffer tube is that? Could also be a RGuns green tube... 
Also picked up an FDE one. 
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TX, USA
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Posted: 12/31/2018 9:15:34 PM EDT
[Last Edit: DackJaniels]
[#11]
Does Sig have a Romeo 4 with the cross reticle with the eotech style ring around it? And can anyone find one on amazon for a good price? I came into some gift cards over the holidays. Also a good mount for the Romeo. I decided to put the handguns on a 10.3” barrel that came with an Aero Precison upper. Should I still try and use the Govnah gas block on this build or would a regular gas block with saker suppressor not be too gassy?
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Posted: 1/1/2019 11:07:19 AM EDT
[#12]
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Posted: 1/1/2019 3:03:45 PM EDT
[#13]
Nice! Have you taken the NXS out to shoot? If so, you like it?
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Posted: 1/1/2019 3:56:34 PM EDT
[#14]
Quote HistoryOriginally Posted By JohnMH92:
Nice! Have you taken the NXS out to shoot? If so, you like it? With the 11.5” DD barrel I was getting about 1-1.5moa groups at 100yards with 62gr. Reman ammo. I run it suppressed with a springco red and h3 and it’s sewing machine smooth. -t |
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TX, USA
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Posted: 1/2/2019 11:49:37 PM EDT
[#15]
I got my invoice today from Shark Arms for a HRT Profile Barrel (I added myself to the list very late like mid December) - This has been a pricey build...
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Posted: 1/3/2019 6:01:47 PM EDT
[Last Edit: aemsl69]
[#16]
ok,
My build is about to start. I got deal on a 11.5 Colt Barrel stamped C MP 5.56 NATO 1/7. No Cage Code or other Stamps. Not sure if it’s a Commando or FBI HRT Barrel. I have a Colt Upper on the way. Will probably run a gas block since I intend to run it with a Supressor. It will sit on a Colt Law Enforcement Lower that has been SBR’d. My Fed Rail says OD Green. It’s pretty darn dark. I’ll be going with OD Furniture and an EOTECH EXSP 3.0  Attached File Attached File Attached File Attached File |
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Posted: 1/3/2019 6:28:08 PM EDT
[#17]
Quote HistoryOriginally Posted By aemsl69:
ok, My build is about to start. I got deal on a 11.5 Colt Barrel stamped C MP 5.56 NATO 1/7. No Cage Code or other Stamps. Not sure if it’s a Commando or FBI HRT Barrel. I have a Colt Upper on the way. Will probably run a gas block since I intend to run it with a Supressor. It will sit on a Colt Law Enforcement Lower that has been SBR’d. My Fed Rail says OD Green. It’s pretty darn dark. I’ll be going with OD Furniture and an EOTECH EXSP 3.0 https://www.AR15.Com/media/mediaFiles/351571/C92B0138-D7F0-4CAB-BF10-A312F255A6DB_jpeg-794970.JPG https://www.AR15.Com/media/mediaFiles/351571/4D167EDB-E9FB-4F72-89E2-3E6A8E49A7CF_jpeg-794972.JPG https://www.AR15.Com/media/mediaFiles/351571/342BC226-3F64-49CA-8ACF-09D7E846893C_jpeg-794978.JPGhttps://www.AR15.Com/media/mediaFiles/351571/75EFAED4-AA54-403F-A6BD-01EA1BA17398_jpeg-794980.JPG Looks like that barrel is .gov profile. HRT barrels are alot thicker. |
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Posted: 1/3/2019 7:49:34 PM EDT
[#18]
FYI, I set the toggle to keep this thread out of the archives. It will now live forever. Unless another mod turns it off.
Carry on. |
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Posted: 1/3/2019 11:30:53 PM EDT
[Last Edit: kells81]
[#19]
Checked function with/without Supressor and accuracy today while goofing off. Forgot my Labradar so didn’t get velocities. Midway sent the wrong colored m-lol panels.
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Posted: 1/4/2019 10:52:32 PM EDT
[Last Edit: michaelwesten]
[#20]
Quote HistoryOriginally Posted By aemsl69:
ok, My build is about to start. I got deal on a 11.5 Colt Barrel stamped C MP 5.56 NATO 1/7. No Cage Code or other Stamps. Not sure if it’s a Commando or FBI HRT Barrel. I have a Colt Upper on the way. Will probably run a gas block since I intend to run it with a Supressor. It will sit on a Colt Law Enforcement Lower that has been SBR’d. My Fed Rail says OD Green. It’s pretty darn dark. I’ll be going with OD Furniture and an EOTECH EXSP 3.0 https://www.AR15.Com/media/mediaFiles/351571/C92B0138-D7F0-4CAB-BF10-A312F255A6DB_jpeg-794970.JPG https://www.AR15.Com/media/mediaFiles/351571/4D167EDB-E9FB-4F72-89E2-3E6A8E49A7CF_jpeg-794972.JPG https://www.AR15.Com/media/mediaFiles/351571/342BC226-3F64-49CA-8ACF-09D7E846893C_jpeg-794978.JPGhttps://www.AR15.Com/media/mediaFiles/351571/75EFAED4-AA54-403F-A6BD-01EA1BA17398_jpeg-794980.JPG So I’m on the wait list at S.A.C. as well haven’t heard anything yet from Chris but I’ll stay patient. I did order a few... planning on waiting so I can amass more scratch for the optic. I’m wondering what all other pics does anyone have of ACTUAL rigs that are being run. The few that I have seen are all wearing either a T-1/2 in a SPUHR Mount, SIG Romeo or an EXPS-3. I intend to throw a T-1 on a Geissele 1.93” mount because I have fallen in love with that set up. This won’t be a perfect Clone because I’m just not going to go balls to the wall especially since I just got rid of my Colt Lower and don’t intend to hunt and go through all that Jazz again. It’ll just sit on a Spike’s FLHTF Lower and be done with it.. Upper will be Completely Correct aside from Optic Mount - all Colt and Geissele though with a 99051 Front (still deciding between 300m or 600m KAC Rear) I just really want to see more ACTUAL pics of some HRT Rigs. 
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Posted: 1/4/2019 11:08:42 PM EDT
[#21]
Quote HistoryOriginally Posted By michaelwesten:
I just really want to see more ACTUAL pics of some HRT Rigs.
F 
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Posted: 1/4/2019 11:31:45 PM EDT
[#22]
Quote HistoryOriginally Posted By DontBuryMe: Well, I don't have any HRT pics, but here's some FBI SWAT doing maritime training. Photos are circa October 2017. https://i.imgur.com/E3kqAQ9.jpg https://i.imgur.com/FZ4RgJl.jpg https://i.imgur.com/yZQmYNz.jpg https://i.imgur.com/rh42LOr.jpg https://i.imgur.com/MX0EjUP.jpg https://i.imgur.com/9miMq1M.jpg https://i.imgur.com/XNdyDJZ.jpg |
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Posted: 1/4/2019 11:33:45 PM EDT
[Last Edit: michaelwesten]
[#23]
Quote HistoryOriginally Posted By DontBuryMe: Well, I don't have any HRT pics, but here's some FBI SWAT doing maritime training. Photos are circa October 2017. https://i.imgur.com/E3kqAQ9.jpg https://i.imgur.com/FZ4RgJl.jpg https://i.imgur.com/yZQmYNz.jpg https://i.imgur.com/rh42LOr.jpg https://i.imgur.com/MX0EjUP.jpg https://i.imgur.com/9miMq1M.jpg https://i.imgur.com/XNdyDJZ.jpg Seems like the whole SWAT Team down there are running H-2’s... interesting Seems like the OD CTR is closet to correctness. I’ve seen some FBI SWAT local to me (CFL) with SOPMODs, CTRs and Colt waffle stocks but it seems every photo that I’ve seen of actual HRT are all with CTRs... That being said I may just run a SOPMOD after the FORM 1 for this Lower clears... I just can’t help it. I’ll have to go all out on the upper and just take it on the chin with the Lower. My Upper may just have to be my saving grace to “as close to clone” as I can get... lol |
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Posted: 1/5/2019 1:18:37 AM EDT
[#24]
Quote HistoryOriginally Posted By michaelwesten:
Thanks! Seems like the whole SWAT Team down there are running H-2’s... interesting Seems like the OD CTR is closet to correctness. I’ve seen some FBI SWAT local to me (CFL) with SOPMODs, CTRs and Colt waffle stocks but it seems every photo that I’ve seen of actual HRT are all with CTRs... That being said I may just run a SOPMOD after the FORM 1 for this Lower clears... I just can’t help it. I’ll have to go all out on the upper and just take it on the chin with the Lower. My Upper may just have to be my saving grace to “as close to clone” as I can get... lols |
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Posted: 1/5/2019 3:27:35 AM EDT
[Last Edit: Sputnik556]
[#25]
If anyone is looking for a different shade OD MK4, IM me.
I'd be interested in swapping mine for a darker one. |
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TX, USA
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Posted: 1/5/2019 12:12:41 PM EDT
[#26]
Quote HistoryOriginally Posted By Sputnik556:
If anyone is looking for a different shade OD MK4, IM me. I'd be interested in swapping mine for a darker one. https://i.imgur.com/YL1FVe4.jpg |
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USA
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Posted: 1/5/2019 10:15:02 PM EDT
[#27]
I wasn't sure how I felt about this build. The more I look at the OD set up, the more I like it.
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OR, USA
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Posted: 1/7/2019 12:16:00 AM EDT
[#28]
I finally received my front sight so I was able to rebuild my 6920 SBR. I like the Mk4 Fed rail waaay better than the URX II that it replaced. I was able to get a quick range trip in today to functions test and sight in the irons and 512.
I’ll probably get a Surefire Scout and the Inforce can go back on my Scorpion. I’m pleased with my shade of green. 
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Posted: 1/7/2019 7:09:27 PM EDT
[#29]
I balked at picking up one of these rails during the sale but after reading through this thread I knew I had to find one. Fortunately I got one off the EE for a very reasonable deal. I already have 90% of the final product in my parts bin. Just waiting on an upper from Stag as the previous was slick side.
The ACH was purchased over a year ago and I used it for a short time. Supposedly its fde but looks more green so it goes great with the rail.  Attached FileStag lower with sba3. Colt m4 cutdown with sf closed tine. Eotech exps3-0  Attached FileEventually I’ll find a correct receiver set and do this thing right. |
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Posted: 1/7/2019 10:02:42 PM EDT
[#30]
Hey guys a buddy of mine has 2 of the HRT issued gas restricted G blocks he wants to offload. Shoot me an IM.
Regular- 
Gas restricted- 
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OH, USA
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Posted: 1/7/2019 10:11:27 PM EDT
[#31]
What buffer weight should be used with the .067" port?
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Posted: 1/7/2019 10:15:27 PM EDT
[Last Edit: MILSPEC556]
[#32]
Quote HistoryOriginally Posted By Swanson2255:
What buffer weight should be used with the .067" port? ETA go with the H if you shoot weaker .223 |
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Posted: 1/8/2019 1:32:04 AM EDT
[#33]
Quote HistoryOriginally Posted By akrox:
I finally received my front sight so I was able to rebuild my 6920 SBR. I like the Mk4 Fed rail waaay better than the URX II that it replaced. I was able to get a quick range trip in today to functions test and sight in the irons and 512. I’ll probably get a Surefire Scout and the Inforce can go back on my Scorpion. I’m pleased with my shade of green. http://i.imgur.com/GfUKXVq.jpg |
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NY, USA
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Posted: 1/8/2019 4:12:50 PM EDT
[#34]
was the barrel 16” before you had it cut?
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AL, USA
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Posted: 1/8/2019 5:51:10 PM EDT
[#35]
If anyone is looking for a stripped 11.5 Colt Heavy barrel I can put you in touch with the place I bought mine from. He has 1 left. 11.5" Colt cage code marked. No fsb to fool with. Got mine for $329.99 plus shipping. They are new/old stock barrels. Email or IM me for his contact info.
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Posted: 1/8/2019 10:28:04 PM EDT
[#36]
Quote HistoryOriginally Posted By mevsthem:
was the barrel 16” before you had it cut? |
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NJ, USA
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Posted: 1/8/2019 11:55:38 PM EDT
[#37]
is it safe to assume RRA lowers are kosher for clone correct HRT builds?
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Posted: 1/9/2019 12:23:51 AM EDT
[Last Edit: michaelwesten]
[#38]
Quote HistoryOriginally Posted By mckelveymx:
If anyone is looking for a stripped 11.5 Colt Heavy barrel I can put you in touch with the place I bought mine from. He has 1 left. 11.5" Colt cage code marked. No fsb to fool with. Got mine for $329.99 plus shipping. They are new/old stock barrels. Email or IM me for his contact info. |
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Posted: 1/9/2019 2:55:57 AM EDT
[#39]
Quote HistoryOriginally Posted By SemperFortis202:
is it safe to assume RRA lowers are kosher for clone correct HRT builds? |
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NJ, USA
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Posted: 1/9/2019 7:09:38 PM EDT
[#40]
does anyone know what upper they used? keyhole or square?
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Posted: 1/9/2019 7:52:37 PM EDT
[#41]
I’m still looking to swap for a darker OD if anyone’s interested.
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AL, USA
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Posted: 1/9/2019 8:13:55 PM EDT
[#42]
Quote HistoryOriginally Posted By RealFreakinNato:
does anyone know what upper they used? keyhole or square? |
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NJ, USA
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Posted: 1/9/2019 8:47:43 PM EDT
[#43]
hmm alrighty i see thoro has them in .. its a bit more for the keyhole
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Posted: 1/10/2019 12:30:33 AM EDT
[#44]
Quote HistoryOriginally Posted By SemperFortis202:
is it safe to assume RRA lowers are kosher for clone correct HRT builds? |
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USA
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Posted: 1/10/2019 2:03:11 AM EDT
[Last Edit: delta_romeo_echo]
[#45]
Tried sending you an IM, your inbox is full. Got pics?
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Posted: 1/10/2019 2:34:29 AM EDT
[#46]
Quote HistoryOriginally Posted By Sputnik556:
I’m still looking to swap for a darker OD if anyone’s interested. |
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Posted: 1/10/2019 3:27:09 AM EDT
[Last Edit: Tejas1836]
[#47]
Quote HistoryOriginally Posted By mckelveymx:
If anyone is looking for a stripped 11.5 Colt Heavy barrel I can put you in touch with the place I bought mine from. He has 1 left. 11.5" Colt cage code marked. No fsb to fool with. Got mine for $329.99 plus shipping. They are new/old stock barrels. Email or IM me for his contact info. If you want to remove FSB, that takes all of 2.5 minutes |
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Posted: 1/10/2019 7:29:13 AM EDT
[#48]
Quote HistoryOriginally Posted By tranzformer:
What do you have, a sour green apple color? Quote HistoryOriginally Posted By tranzformer:
Originally Posted By Sputnik556:
I’m still looking to swap for a darker OD if anyone’s interested. |
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TX, USA
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Posted: 1/11/2019 12:13:35 AM EDT
[#49]
I found this book online today - Guns of the FBI: A History of the Bureau’s Firearms and Training https://www.gundigeststore.com/product/guns-of-the-fbi-a-history-of-the-bureaus-firearms-and-training/ I doubt MK4 Clones are covered
 , but interesting
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Posted: 1/11/2019 12:25:53 AM EDT
[Last Edit: michaelwesten]
[#50]
Quote HistoryOriginally Posted By YuppieMike:
I found this book online today - Guns of the FBI: A History of the Bureau’s Firearms and Training https://www.gundigeststore.com/product/guns-of-the-fbi-a-history-of-the-bureaus-firearms-and-training/ I doubt MK4 Clones are covered , but interesting
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