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Link Posted: 12/14/2022 5:01:26 PM EDT
[#1]
If anyone got a $9 SEF lower they don't want let me know...that and the 'wide' hand guard, and a green sling is all I'm putting on this thing...
Link Posted: 12/14/2022 5:18:55 PM EDT
[#2]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
If anyone got a $9 SEF lower they don't want let me know...that and the 'wide' hand guard, and a green sling is all I'm putting on this thing...
View Quote
You can convert one of the HK91 SEF housings yourself, these used ones are about the cheapest way to get there:

https://hkparts.net/product/hk-g3-91-ptr-sef-push-pin-navy-style-housing-good-shape-p17354.htm/

All you have to do is cut off the second pin hole on the rear tang.  You can leave the remaining hole closed or cut it to be open on the top/rear like the OEM housing if you want, either way will work.
Link Posted: 12/14/2022 5:51:20 PM EDT
[#3]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
You can convert one of the HK91 SEF housings yourself, these used ones are about the cheapest way to get there:

https://hkparts.net/product/hk-g3-91-ptr-sef-push-pin-navy-style-housing-good-shape-p17354.htm/

All you have to do is cut off the second pin hole on the rear tang.  You can leave the remaining hole closed or cut it to be open on the top/rear like the OEM housing if you want, either way will work.
View Quote


Awesome- ordered! =grabbed the wide forearm as well...
Link Posted: 12/14/2022 8:20:17 PM EDT
[#4]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


@dogrobber13

Sorry for the delayed response, I finally got fought up from a work trip and remembered this.  

Looks to me 22” fully extended for the ‘P’ model and BT stock.

https://www.ar15.com/media/mediaFiles/77352/E9ECAF8D-4498-48E1-A76D-CE3B15D2640C-2633810.jpg

https://www.ar15.com/media/mediaFiles/77352/A07AC4F0-C49B-4EFE-9E2D-C59E462D020F-2633809.jpg

-Mike
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Quoted:
Almost there.  I have an omega 9k that hasn’t cleared yet, should make for a pretty short package with the short 3-lug adapter.

For now I can use my octane or visit it at the range

https://www.ar15.com/media/mediaFiles/77352/8F36757E-9BFD-45E0-81BA-F77F47087814-2603303.jpg

I am still kicking around the idea of an RMR.  I just haven’t found a mounting solution I really like.

-Mike



Length with stock fully extended please?





@dogrobber13

Sorry for the delayed response, I finally got fought up from a work trip and remembered this.  

Looks to me 22” fully extended for the ‘P’ model and BT stock.

https://www.ar15.com/media/mediaFiles/77352/E9ECAF8D-4498-48E1-A76D-CE3B15D2640C-2633810.jpg

https://www.ar15.com/media/mediaFiles/77352/A07AC4F0-C49B-4EFE-9E2D-C59E462D020F-2633809.jpg

-Mike



Thanks for taking the time.

Merry Christmas!


Link Posted: 12/15/2022 9:51:39 AM EDT
[#5]
Where is the best place to NFA mark on these?
Link Posted: 12/15/2022 11:58:09 AM EDT
[#6]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Where is the best place to NFA mark on these?
View Quote
Inside the trench of the receiver that forms the bolt "rails" is popular, the place where the arms of a collapsing stock go.

That of the top of the receiver, if there's room.


Link Posted: 12/15/2022 12:49:28 PM EDT
[#7]
Link Posted: 12/15/2022 1:00:38 PM EDT
[#8]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

That looks good. I have seen that further back, so the stock arms cover it when collapsed.
View Quote
It's still covered.  The A3 arms completely fill that space when collapsed.


Link Posted: 12/15/2022 2:10:59 PM EDT
[#9]
I plan on using a surplus HK93 A2 stock I got for cheap instead of a A3 collapsing stock but I will probably still do my engraving in the notches since that just seems likea  great place for it.
Link Posted: 12/15/2022 3:53:19 PM EDT
[#10]
Another question for the experts: who's got the best deal on the OD Green sling for these? ...surplus/used is fine.
Link Posted: 12/15/2022 4:17:58 PM EDT
[#11]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Another question for the experts: who's got the best deal on the OD Green sling for these? ...surplus/used is fine.
View Quote

Never dealt with this company, but it seems legit and a good price, not clear if it's HK or a copy.  https://max-arms.com/product/hk-mp5-g3-53-91-94-33-3-point-sling-green/

And Apex had German new old stock ones.  https://www.apexgunparts.com/mp5-sling-canvas-config-nos.html
Link Posted: 12/15/2022 4:53:05 PM EDT
[#12]
Link Posted: 12/15/2022 5:57:21 PM EDT
[#13]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Never dealt with this company, but it seems legit and a good price, not clear if it's HK or a copy.  https://max-arms.com/product/hk-mp5-g3-53-91-94-33-3-point-sling-green/

And Apex had German new old stock ones.  https://www.apexgunparts.com/mp5-sling-canvas-config-nos.html
View Quote


Max-Armis has it for 19.99, but then they want 12.95 shipping!!

EDIT- Apex wants 11.50!!

what the heck...
Link Posted: 12/16/2022 4:07:53 PM EDT
[#14]
Link Posted: 12/16/2022 5:06:06 PM EDT
[#15]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Another question for the experts: who's got the best deal on the OD Green sling for these? ...surplus/used is fine.
View Quote


I got the $33 version from Apex, which has already been linked to.

It works fine, but the hardware is a cheap paint that comes off immediately with metal-on-metal contact.
However, it latches fine into the clip on the AP5 magwell.  I think I read somewhere on arf that some slings won't.
Link Posted: 12/16/2022 5:41:19 PM EDT
[#16]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


@LOS
@MOUNT-N-SLOT


Have you considered making these and selling them? I'm sure you could sell a bunch. Or, alternately talk to Earl at Impact Weapons Components and see if he wants to make them. Either way I can see this being a viable product.


View Quote

Hey, Lancelot. I've actually sold a few to members here and on the other HK forum. I'm going to make 100 of them and will be offered on EE as soon as they're GTG.  

Thanks for your interest.  



Link Posted: 12/17/2022 12:08:34 AM EDT
[#17]
Well I’m hooked .  Picked up a full size AP5, this is my first experience with the MP5 platform.  I’m already planning to buy two more, an additional full size AP5 and an AP5-P.  

I ran 500 rounds through this one today with 2 failures, both FTF and I’m pretty sure ammo related.  One was with 158gr which I’ve read is not recommended for MP5’s.  The other with one round out of 150 of 124gr Blazer Brass.

It currently has a KAC RAS hand guard, SEF Navy style trigger housing, and a Magpul safety.  Up next will be a form 1 and then either an A3 stock (if I can snag an MKE one) or a B&T folding stock.  

As for my future purchases, the P will be set up like the MP5K PDW with Choate folder and broom handle hand guard.  The other full size will get a tropical hand guard and A2 stock.  

Link Posted: 12/17/2022 5:52:17 AM EDT
[#18]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Well I'm hooked .  Picked up a full size AP5, this is my first experience with the MP5 platform.  I'm already planning to buy two more, an additional full size AP5 and an AP5-P.  

I ran 500 rounds through this one today with 2 failures, both FTF and I'm pretty sure ammo related.  One was with 158gr which I've read is not recommended for MP5's.  The other with one round out of 150 of 124gr Blazer Brass.

It currently has a KAC RAS hand guard, SEF Navy style trigger housing, and a Magpul safety.  Up next will be a form 1 and then either an A3 stock (if I can snag an MKE one) or a B&T folding stock.  

As for my future purchases, the P will be set up like the MP5K PDW with Choate folder and broom handle hand guard.  The other full size will get a tropical hand guard and A2 stock.  

https://i.imgur.com/mtMqPjM.jpg
View Quote
Congrats! DAMN that KAC handguard, always loved it
Link Posted: 12/17/2022 1:57:09 PM EDT
[#19]
My Hk Psrts order showed up today, so fast shipping is a plus, but my $25 SEF lower looks like it should have been a $9 lower.

It came with some type of fabric backed tape on the grill, that when peeled off left a -probably decades-old band of dried on, very hardened fabric backing adhesive residue. It’s thick- hopefully Goo Gone will take it off without damaging the plastic?

Attachment Attached File

Attachment Attached File
Link Posted: 12/17/2022 2:04:00 PM EDT
[#20]
If its similar to hockey tape use a heat gun and you should be able to scrape it off pretty easily
Link Posted: 12/17/2022 2:04:46 PM EDT
[#21]
Link Posted: 12/17/2022 2:17:43 PM EDT
[#22]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
If its similar to hockey tape use a heat gun and you should be able to scrape it off pretty easily
View Quote


It’s not ‘tacky’ at all like normal adhesive that heat would take off- it’s ‘crisp’ and very hard…

Link Posted: 12/17/2022 2:25:11 PM EDT
[#23]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
My Hk Psrts order showed up today, so fast shipping is a plus, but my $25 SEF lower looks like it should have been a $9 lower.

It came with some type of fabric backed tape on the grill, that when peeled off left a -probably decades-old band of dried on, very hardened fabric backing adhesive residue. It's thick- hopefully Goo Gone will take it off without damaging the plastic?

https://www.ar15.com/media/mediaFiles/73252/2886799A-443A-46D9-9AAC-7F8AEB828184_jpe-2638499.JPG
https://www.ar15.com/media/mediaFiles/73252/6CF5024E-C185-4EE8-A43F-18167C53CD65_jpe-2638500.JPG
View Quote
They are used, surplus parts, either from German or some other Army's old G3s.  So they will all be a bit different in wear and condition.  They used to cost about $12, but in the past 8 months they came up due to all the new AP5 buyers.

I went and tried some Goof-Off and non-chloro brake cleaner on my housing just to check, neither did any damage to the plastic.
Link Posted: 12/17/2022 2:56:32 PM EDT
[#24]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Where is the best place to NFA mark on these?
View Quote

Underside of the receiver in front of the mag well
Link Posted: 12/17/2022 2:57:58 PM EDT
[#25]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
My Hk Psrts order showed up today, so fast shipping is a plus, but my $25 SEF lower looks like it should have been a $9 lower.

It came with some type of fabric backed tape on the grill, that when peeled off left a -probably decades-old band of dried on, very hardened fabric backing adhesive residue. It’s thick- hopefully Goo Gone will take it off without damaging the plastic?

https://www.ar15.com/media/mediaFiles/73252/2886799A-443A-46D9-9AAC-7F8AEB828184_jpe-2638499.JPG
https://www.ar15.com/media/mediaFiles/73252/6CF5024E-C185-4EE8-A43F-18167C53CD65_jpe-2638500.JPG
View Quote

I stuck the grip of mine into a cup of hand sanitizer and let it sit for a few minutes at a time, all of it came off and there is no damage.
Link Posted: 12/17/2022 5:07:09 PM EDT
[#26]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

I stuck the grip of mine into a cup of hand sanitizer and let it sit for a few minutes at a time, all of it came off and there is no damage.
View Quote


Thank you, Man of Genius!!
Link Posted: 12/17/2022 7:20:48 PM EDT
[#27]
Update on my AP5-P:

Century had it for a total of about 3 business days before fedexing it back to me. Got it back today. FedEx is a pain in the ass.

Anyway, 6 mags of mke 124gr. ammo, and had 3 FTE, all out of different mags. I wasn't real impressed, but, better than before, so i loaded all 6 mags with Sig 124gr. +p, and 4 mags went by no issues, then on my 5th, 3 failures. HK mag, cant see anything wrong with it. Last mag full was fine.

Says on the paper from century that they replaced extractor & spring, and ejector & spring. I'm fairly certain they did not replace my ejector and just polished the face of it. But, who knows.

I'll have to shoot it more to figure out wtf is actually happening.
Link Posted: 12/17/2022 8:02:48 PM EDT
[#28]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Update on my AP5-P:

Century had it for a total of about 3 business days before fedexing it back to me. Got it back today. FedEx is a pain in the ass.

Anyway, 6 mags of mke 124gr. ammo, and had 3 FTE, all out of different mags. I wasn't real impressed, but, better than before, so i loaded all 6 mags with Sig 124gr. +p, and 4 mags went by no issues, then on my 5th, 3 failures. HK mag, cant see anything wrong with it. Last mag full was fine.

Says on the paper from century that they replaced extractor & spring, and ejector & spring. I'm fairly certain they did not replace my ejector and just polished the face of it. But, who knows.

I'll have to shoot it more to figure out wtf is actually happening.
View Quote


Bummer. I hope it smooths out!

On a better note, MINE HAS SHIPPED!!!
Link Posted: 12/17/2022 10:54:44 PM EDT
[#29]
AP5-M is $900 at PSA, should I buy one? It's got that Resident Evil appeal.

Stamp + B&T folder

https://palmettostatearmory.com/century-ap5-m-9mm-pistol-4-5-30rd-black-hg6036a-n.html

Link Posted: 12/17/2022 11:12:40 PM EDT
[#30]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
AP5-M is $900 at PSA, should I buy one? It's got that Resident Evil appeal.

Stamp + B&T folder

https://palmettostatearmory.com/century-ap5-m-9mm-pistol-4-5-30rd-black-hg6036a-n.html

View Quote

Only downside to the "M" is no way to mount a suppressor if that matters.
Link Posted: 12/18/2022 12:21:04 AM EDT
[#31]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Only downside to the "M" is no way to mount a suppressor if that matters.
View Quote



Eh, I've got suppressed rifles already.  

I think I prefer the slightly smaller form factor/look of the flush barrel on the K.
Link Posted: 12/18/2022 12:39:33 AM EDT
[#32]


Going to sleep on it.
Link Posted: 12/19/2022 11:20:51 AM EDT
[#33]
Magpul has their MP5 brace back in stock for anyone interested.
https://magpul.com/mp-bsl-arm-brace.html?mp_global_color=118

ETA:  That didn't last long.  Bought 1 and now it is showing OOS.
Link Posted: 12/19/2022 11:42:59 AM EDT
[#34]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Only downside to the "M" is no way to mount a suppressor if that matters.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
AP5-M is $900 at PSA, should I buy one? It's got that Resident Evil appeal.

Stamp + B&T folder

https://palmettostatearmory.com/century-ap5-m-9mm-pistol-4-5-30rd-black-hg6036a-n.html


Only downside to the "M" is no way to mount a suppressor if that matters.



I'm going to end up picking up one of those but you're right if I'm going to get it it's going to be able to have a suppressor on it. I've got too many 9 mm cans to not have the ability to suppress it
Link Posted: 12/19/2022 12:29:35 PM EDT
[#35]
Does anyone know of a red dot/mount combo that will put the dot above the front post but below the front sight shroud?

I don’t want absolute cowitness but I also don’t want it to sit on the shroud and I’m not willing to go with a skyscraper mount. I’m guessing that it’s going to be difficult to find what I want.
Link Posted: 12/19/2022 12:37:54 PM EDT
[#36]
Im going crazy waiting for mine. Ordered the 6th, shipped the 14th, weather delayed on 16th, now looking like it wont get delivered until the 20th or 21st
Link Posted: 12/19/2022 12:43:51 PM EDT
[#37]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Does anyone know of a red dot/mount combo that will put the dot above the front post but below the front sight shroud?

I don't want absolute cowitness but I also don't want it to sit on the shroud and I'm not willing to go with a skyscraper mount. I'm guessing that it's going to be difficult to find what I want.
View Quote
I think a T2 style red dot with a low-mount used with the ultra-low profile MFI rail or similar very low optic mount will get you about there.  It's a very tight window to try and get the dot specifically in that space between the front post and the hood, plus the consideration of having the rear drum in the field of view when mounted that low.
Link Posted: 12/19/2022 12:55:43 PM EDT
[#38]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Does anyone know of a red dot/mount combo that will put the dot above the front post but below the front sight shroud?

I don’t want absolute cowitness but I also don’t want it to sit on the shroud and I’m not willing to go with a skyscraper mount. I’m guessing that it’s going to be difficult to find what I want.
View Quote


I have been kicking around the idea of THIS from a company called M8.  Takes the place of the rear sight though.





-Mike
Link Posted: 12/19/2022 1:35:53 PM EDT
[#39]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I think a T2 style red dot with a low-mount used with the ultra-low profile MFI rail or similar very low optic mount will get you about there.  It's a very tight window to try and get the dot specifically in that space between the front post and the hood, plus the consideration of having the rear drum in the field of view when mounted that low.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Does anyone know of a red dot/mount combo that will put the dot above the front post but below the front sight shroud?

I don't want absolute cowitness but I also don't want it to sit on the shroud and I'm not willing to go with a skyscraper mount. I'm guessing that it's going to be difficult to find what I want.
I think a T2 style red dot with a low-mount used with the ultra-low profile MFI rail or similar very low optic mount will get you about there.  It's a very tight window to try and get the dot specifically in that space between the front post and the hood, plus the consideration of having the rear drum in the field of view when mounted that low.

I’ll have to look at that, thanks.
Link Posted: 12/19/2022 1:36:41 PM EDT
[#40]
Discussion ForumsJump to Quoted PostQuote History
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Does anyone know of a red dot/mount combo that will put the dot above the front post but below the front sight shroud?

I don’t want absolute cowitness but I also don’t want it to sit on the shroud and I’m not willing to go with a skyscraper mount. I’m guessing that it’s going to be difficult to find what I want.


I have been kicking around the idea of THIS from a company called M8.  Takes the place of the rear sight though.

https://www.ar15.com/media/mediaFiles/77352/44EB5CAF-A0CC-491D-B8CE-7DAD86D37DDD-2603612.jpg

https://www.ar15.com/media/mediaFiles/77352/36600E2C-8695-4DD5-AF63-6E272149B1AB-2603613.jpg

-Mike

I like that option but I wish it had a rear sight.
Link Posted: 12/21/2022 11:05:52 PM EDT
[#41]
Atlantic got me lol. Now to find another KAC RAS to go with my PTR 9CT

Attachment Attached File


Attachment Attached File

Link Posted: 12/22/2022 12:54:55 PM EDT
[#42]
After 4 yrs, countless rounds, my POF has never jammed.
Only complaint is the finish.
Could be better.
Link Posted: 12/22/2022 5:14:33 PM EDT
[#43]
PSA is out of stock on the AP5 but was able to get one from Atlantic Firearms
Link Posted: 12/23/2022 8:37:25 AM EDT
[#44]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
PSA is out of stock on the AP5 but was able to get one from Atlantic Firearms
View Quote


Does Atlantic have the same discount as PSA?
Link Posted: 12/23/2022 9:13:37 AM EDT
[#45]
The holosun mount is hollow, so I have no witness (which I like)….

But I can see the irons through the mount…which I also like
Link Posted: 12/23/2022 9:56:15 AM EDT
[#46]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


Does Atlantic have the same discount as PSA?
View Quote


Yes
Link Posted: 12/23/2022 2:42:14 PM EDT
[#47]
Range is snowed in so I just went to my buddies farm and blasted at some old stumps. AP5 ran perfect with Blazer Brass 124gr and my 115gr handloads with RMR bullets and Unique powder. With my 147gr handloads using RMR HMW bullet and VVN320 powder the last round would jam into the feedramps but the other 29 rounds run fine and shoot very very soft.

Might try a +5% Wolff mag spring to see if I can get that last round to run properly since I have a stash of 10k of the 147gr RMR HMW bullets on hand.

It was also like -40 out so nice to know it will run in the extreme cold
Link Posted: 12/23/2022 3:37:23 PM EDT
[#48]
Any one have issues with their AP5 feeding flat nose 147 gr or JHP 147Gr?  With mine it looks like the bullets are diving into the receiver.  I had to take it completely apart to get one round out, a little sporty with a live round.  

I'll get 1 to 2 shots off and it happens.  I tried it with the factory mags and an aftermarket one.  No difference.
Link Posted: 12/23/2022 3:49:22 PM EDT
[#49]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Any one have issues with their AP5 feeding flat nose 147 gr or JHP 147Gr?  With mine it looks like the bullets are diving into the receiver.  I had to take it completely apart to get one round out, a little sporty with a live round.  

I'll get 1 to 2 shots off and it happens.  I tried it with the factory mags and an aftermarket one.  No difference.
View Quote
With 147gr. Gold Dots, I had the following experience:

With the metal MKE mags, the first round on a full mag would nose-dive jam about 33% of the time, but subsequent rounds in the mag were always good to go.

With plastic Overwatch Mags, in brand new mags they would nose-dive near 100% throughout the mag.  However, after breaking in the mags with FMJ round nose (which works 100%), the mags get some break in and the Gold Dots feed more reliably, closer to how the MKE mags are with maybe the first round causing a problem if any.

So, it seems to me, if there if the round on the top of the mag is held there too tight, then the bolt slows down a bit when it tries to feed it and the round has a chance to nose-dive.  I haven't put a ton of rounds through the overwatch mags yet, so I'll see if it improves.  If not, they'll just be FMJ only range mags.
Link Posted: 12/23/2022 4:26:30 PM EDT
[#50]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Any one have issues with their AP5 feeding flat nose 147 gr or JHP 147Gr?  With mine it looks like the bullets are diving into the receiver.  I had to take it completely apart to get one round out, a little sporty with a live round.  

I'll get 1 to 2 shots off and it happens.  I tried it with the factory mags and an aftermarket one.  No difference.
View Quote


That's pretty much whats going on with mine but with just the last round in the mag. My Scorpion wont feed these 147gr flat nose bullets at all so its an improvement over that.
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