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Link Posted: 1/25/2024 3:25:58 PM EDT
[#1]
From H&R/PSA at shot show.

The ultimate "westernized RPK". I want

Attachment Attached File
Link Posted: 1/25/2024 3:57:34 PM EDT
[#2]
I would like them to do the 950 instead of the 730 so I can get a spare upper for mine.


Link Posted: 1/25/2024 7:43:17 PM EDT
[#3]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Combat_Diver:
If anyone is wanting a RPK, Zastava just announced at SHOT the M72 PRK.
View Quote


Nice.

My milled Yugo build is what got me interested in doing an AR RPK project in the first place.

Link Posted: 1/25/2024 7:44:01 PM EDT
[#4]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HammerForged:
From H&R/PSA at shot show.

The ultimate "westernized RPK". I want

https://www.ar15.com/media/mediaFiles/310612/1000000515_png-3107100.JPG
View Quote


This has my attention, for sure.  

Love seeing more “support” weapon options coming to market.
Link Posted: 1/26/2024 2:18:49 AM EDT
[Last Edit: bravo_677] [#5]
I've had a similar build going for a few years now, started life as an spr project but decided to do a lsw style build instead and build an spr on a regular receiver set without unnecessary weight.
This upper receiver is extremely robust and should handle a heavy barrel and bipod well along with good airflow.
Unfortunately being in a ban state this will have a fixed magazine and never see high volume fire unless I reconfigure the stock / grip.



Mega Arms extended rifle mlok upper
Mega Arms ambi billet lower
Bcm complete lower parts kit
Bcm buffer tube kit
Bcm Bolt carrier group

Still need carrying handle and optic.
Undecided on barrel length and type
Bipod and stock will sit as is for now
Link Posted: 1/26/2024 9:09:16 PM EDT
[#6]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By bravo_677:
I've had a similar build going for a few years now, started life as an spr project but decided to do a lsw style build instead and build an spr on a regular receiver set without unnecessary weight.
This upper receiver is extremely robust and should handle a heavy barrel and bipod well along with good airflow.
Unfortunately being in a ban state this will have a fixed magazine and never see high volume fire unless I reconfigure the stock / grip.

https://imgur.com/a/aUqavuP

Mega Arms extended rifle mlok upper
Mega Arms ambi billet lower
Bcm complete lower parts kit
Bcm buffer tube kit
Bcm Bolt carrier group

Still need carrying handle and optic.
Undecided on barrel length and type
Bipod and stock will sit as is for now
View Quote


Link Posted: 1/31/2024 10:32:40 PM EDT
[#7]
If you own a Colt LMG upper I need the dimensions shown in the picture. Any help would be appreciated.





Going to design a replacement handle based on the Colt one for these crappy handles.



Link Posted: 2/1/2024 6:34:24 AM EDT
[#8]
If the DT Quattro 15's prove reliable, that seems like a promising basis for a AR-RPK / optimized automatic rifle build.

Link Posted: 2/1/2024 9:53:49 PM EDT
[#9]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By spydercomonkey:
If the DT Quattro 15's prove reliable, that seems like a promising basis for a AR-RPK / optimized automatic rifle build.

https://i.ibb.co/MDNjH1J/Screen-Shot-2024-02-01-at-2-26-03-AM.png
View Quote

I like the look of that one.  I'd like to see what the adapter is like.  I'd be pretty sold if the adapter didn't need tools to attach.
Link Posted: 2/9/2024 5:20:24 PM EDT
[#10]
Link Posted: 2/16/2024 10:40:46 PM EDT
[#11]
Anyone run a MagPul PRS Lite stock for a LSW AR?
Link Posted: 2/18/2024 11:14:51 PM EDT
[#12]
I decided to do a retro take on the idea, with a Colt 721-ish build in mind.

Link Posted: 2/18/2024 11:25:10 PM EDT
[#13]
Nice, love the look of those M-60 bipods.
Link Posted: 2/23/2024 3:43:37 PM EDT
[#14]
This concept intrigues me enough I might build an upper for it. I’m thinking a 20” HBAR paired with a TA11 or TA110 would be fantastic.

At this time it looks like Spikes and Criterion are the only options for a chrome lined HBAR?
Link Posted: 2/23/2024 4:54:03 PM EDT
[#15]
https://www.del-ton.com/ProductDetails.asp?ProductCode=BL1015F
Link Posted: 2/23/2024 5:25:25 PM EDT
[Last Edit: HighpowerRifleBrony] [#16]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By velken:
I decided to do a retro take on the idea, with a Colt 721-ish build in mind.

https://i.ibb.co/v1WN5Yv/IMG-2261.jpg
View Quote
I'd rather have an A2 upper receiver, but that fucks.

Does an M60 bipod extend long enough for a sitting position on flat land?
Link Posted: 2/25/2024 11:39:57 PM EDT
[#17]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HammerForged:
From H&R/PSA at shot show.

The ultimate "westernized RPK". I want

https://www.ar15.com/media/mediaFiles/310612/1000000515_png-3107100.JPG
View Quote

That’s hot
Link Posted: 2/26/2024 4:30:17 AM EDT
[#18]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HighpowerRifleBrony:
I'd rather have an A2 upper receiver, but that fucks.

Does an M60 bipod extend long enough for a sitting position on flat land?
View Quote

Don't recall that they do.
Link Posted: 2/26/2024 7:24:22 PM EDT
[#19]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By sgthatred:
I would like them to do the 950 instead of the 730 so I can get a spare upper for mine.

http://weaponblueprints.com/mongo/pictures/M16-LSW/M16-right-side.jpg
View Quote


I just want them to offer the front end so I can use my big-pivot A2 upper.
Link Posted: 2/27/2024 11:01:40 AM EDT
[#20]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HighpowerRifleBrony:
I'd rather have an A2 upper receiver, but that fucks.

Does an M60 bipod extend long enough for a sitting position on flat land?
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HighpowerRifleBrony:
Originally Posted By velken:
I decided to do a retro take on the idea, with a Colt 721-ish build in mind.

https://i.ibb.co/v1WN5Yv/IMG-2261.jpg
I'd rather have an A2 upper receiver, but that fucks.

Does an M60 bipod extend long enough for a sitting position on flat land?


No.
Link Posted: 2/28/2024 7:25:49 PM EDT
[#21]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By DonkeyPunch451:
https://www.del-ton.com/ProductDetails.asp?ProductCode=BL1015F
View Quote


Thanks for that. DTI gets overlooked quite a bit these days. I contacted them to see if these were 4150 CMV as I know back in the day most of their 1/9 twist barrels were 4140. DTI confirmed these are 4150 CMV. After going back and forth on what I actually wanted to do with this build I ended up ordering the DTI barrel. Seemed like a waste to order a Criterion for the AR-RPK concept. Would have ended up costing $200+ more when you factor in getting an FSB installed.
Link Posted: 2/28/2024 7:30:39 PM EDT
[#22]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By jhon:


Thanks for that. DTI gets overlooked quite a bit these days. I contacted them to see if these were 4150 CMV as I know back in the day most of their 1/9 twist barrels were 4140. DTI confirmed these are 4150 CMV. After going back and forth on what I actually wanted to do with this build I ended up ordering the DTI barrel. Seemed like a waste to order a Criterion for the AR-RPK concept. Would have ended up costing $200+ more when you factor in getting an FSB installed.
View Quote

I bought the whole upper they sell with that barrel and I'm thoroughly happy with it.  I haven't had a Del-Ton barrel/upper I haven't been happy with yet.  I'm sure you'll dig it.
Link Posted: 3/1/2024 4:50:06 PM EDT
[#23]
While I'm waiting on parts... whipped up a rough concept

Link Posted: 3/10/2024 5:41:05 PM EDT
[#24]
Replacement carry handle for the crappy one shown below.
Attachment Attached File


Colt repro LMG vert fore grip.
Attachment Attached File


Repro handguards for Colt LMG
Attachment Attached File

Link Posted: 3/10/2024 9:30:10 PM EDT
[#25]


I have not reinstalled the FSB because the more I look at it, the more I think it's going to get flip up front sight gas block. It might be an HBAR but it doesn't really feel heavy until rocking the D60.
Link Posted: 3/11/2024 4:31:45 AM EDT
[#26]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By sgthatred:
Replacement carry handle for the crappy one shown below.
https://www.ar15.com/media/mediaFiles/220681/d_jpg-3155609.JPG

Colt repro LMG vert fore grip.
https://www.ar15.com/media/mediaFiles/220681/c_jpg-3155610.JPG

Repro handguards for Colt LMG
https://www.ar15.com/media/mediaFiles/220681/e_jpg-3155611.JPG
View Quote

Very cool.  Looking forward to seeing how that mounts up.
Link Posted: 3/11/2024 4:32:03 AM EDT
[#27]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By jhon:
https://www.ar15.com/media/mediaFiles/77573/IMG_0730-3155865.jpg

I have not reinstalled the FSB because the more I look at it, the more I think it's going to get flip up front sight gas block. It might be an HBAR but it doesn't really feel heavy until rocking the D60.
View Quote



Nice!
Link Posted: 3/20/2024 7:00:40 AM EDT
[Last Edit: spydercomonkey] [#28]
In terms of heat management, Manta is making some rail covers out of the same high temp material as their suppressor covers.

They have MLOK, Pic, and a pretty badass looking wrap thing.

https://mantadefense.com/product-category/rail-guards/

Tac Wrap I think suits the ARPK aesthetic, although the MLOK/Pics are probably more practical.

Link Posted: 3/20/2024 2:15:31 PM EDT
[#29]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By spydercomonkey:
In terms of heat management, Manta is making some rail covers out of the same high temp material as their suppressor covers.

They have MLOK, Pic, and a pretty badass looking wrap thing.

https://mantadefense.com/product-category/rail-guards/

Tac Wrap I think suits the ARPK aesthetic, although the MLOK/Pics are probably more practical.

https://mantadefense.com/wp-content/uploads/2017/11/Tac_Wrap_Gallery3.jpg
View Quote


I like that
Link Posted: 3/20/2024 4:10:28 PM EDT
[#30]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By sgthatred:
Replacement carry handle for the crappy one shown below.
https://www.ar15.com/media/mediaFiles/220681/d_jpg-3155609.JPG

Colt repro LMG vert fore grip.
https://www.ar15.com/media/mediaFiles/220681/c_jpg-3155610.JPG

Repro handguards for Colt LMG
https://www.ar15.com/media/mediaFiles/220681/e_jpg-3155611.JPG
View Quote

Very nice!  All 3D printed?
Link Posted: 3/20/2024 8:08:50 PM EDT
[#31]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Dex223:

Very nice!  All 3D printed?
View Quote
yup
Link Posted: 3/24/2024 4:17:13 PM EDT
[#32]
Anyone see a use for a adjustable position bipod on one if these builds? I saw a YouTube video once that had a bipod that could move forward or backwards on the bottom of the rail. I was dreaming I could make some kind of pedestal mount and make a old Toyota into a technical!
Link Posted: 3/24/2024 11:32:40 PM EDT
[#33]
Closest I got to that was just QD picatinny mount.  I can go from under the gas block to mid barrel.
Link Posted: 3/26/2024 4:03:35 AM EDT
[#34]
In terms of ARPK, stumbled across this amazing video - amazing both with how well this works, and that this was posted 16yr ago and I had never seen it before.

Rapid manual trigger manipulation (Rubber Band Assisted)
Link Posted: 4/16/2024 1:04:54 AM EDT
[Last Edit: caduckgunner] [#35]


Here is my upper build so far. I went with a 18" Aero fluted SS barrel. The grip pod is there for now because I have it. Might leave it for some shooting and see how it does, but most likely going with a bipod. Going to try one of those silicone handguard covers someone posted earlier. Still need to decide if I want to go with a flash hider or a break. This is a cheap build, so don't ask where the DD quad rail is. The barrel was on sale for $70! I don't have more $200 in this total so far except the optics.
Link Posted: 4/16/2024 3:47:43 AM EDT
[#36]
op, the ar-rpk concept thats evolving lately as an online copycat craze is much better off as having the following attributes...

1. extreme heavy front end weight for quick stabilized follow up shots on target. the more weight you can get up front the better.
2. binary trigger
3. optic

i only see an optic.

what works best is the colt lmg. you can get a double tap dual ring on steel plates at 100 yards using a fostech binary trigger. the colt lmg uppers have become rare but if you google ar-rpk theres a company that sells uppers by that name with your choice of m60 bipod or rpk bipod on unusually long and heavy barreled uppers. they use an inconel gas tube that doesnt melt easily.
Link Posted: 4/16/2024 9:13:15 PM EDT
[#37]


I need to get a bipod other than the Harris. Probably going to go Magpul with a 17S mount.
Link Posted: 4/17/2024 12:42:50 AM EDT
[#38]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By caduckgunner:
https://i.imgur.com/RtHzCqq.jpg

Here is my upper build so far. I went with a 18" Aero fluted SS barrel. The grip pod is there for now because I have it. Might leave it for some shooting and see how it does, but most likely going with a bipod. Going to try one of those silicone handguard covers someone posted earlier. Still need to decide if I want to go with a flash hider or a break. This is a cheap build, so don't ask where the DD quad rail is. The barrel was on sale for $70! I don't have more $200 in this total so far except the optics.
View Quote

I dig it.  I don't have one, but what I think I like about the the grip pod is you can use it or its a toolless small storage issue to remove.  Go shoot a 100 round string and you'll probably want to have it anyway.

Good score on the barrel!  For this type of build, I'd go flash hider.  Martial build, might be used in proximity to others or set in a confined space, and all that.
Link Posted: 4/17/2024 11:34:06 AM EDT
[#39]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By jhon:
https://www.ar15.com/media/mediaFiles/77573/IMG_0759-3189928.jpg

I need to get a bipod other than the Harris. Probably going to go Magpul with a 17S mount.
View Quote


That is hot
Link Posted: 4/17/2024 11:39:24 AM EDT
[#40]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By jhon:
https://www.ar15.com/media/mediaFiles/77573/IMG_0759-3189928.jpg

I need to get a bipod other than the Harris. Probably going to go Magpul with a 17S mount.
View Quote

Indeed, very hot.

I would recommended giving the Harris a good shot.  I've got a Magpul with the Midwest 17S mount, and I'm very meh on it.
Link Posted: 4/17/2024 5:02:08 PM EDT
[#41]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By jhon:
https://www.ar15.com/media/mediaFiles/77573/IMG_0759-3189928.jpg

I need to get a bipod other than the Harris. Probably going to go Magpul with a 17S mount.
View Quote


That looks great. Exactly what I picture in my mind when I think of "AR-RPK".

Magpuls are my go-to for cheaper bipods; Atlas if I want to shell out the bucks. I've had Harris bipods and don't get the love for them.
Link Posted: 4/17/2024 6:31:22 PM EDT
[#42]
Red Right Hand AR-PK upper + Desert Tech Quattro 15 53rd lower + Binary + Bipod = pretty sweet looking

https://www.youtube.com/shorts/9rswMt4y3nI

[youtube]shorts/9rswMt4y3nI[/youtube]

Same setup in Full Auto:

https://www.youtube.com/shorts/SIpcAeS7pzk

[youtube]shorts/SIpcAeS7pzk[/youtube]

In the comments, Red Right Hand said they have fired 3,800rd of FA / Suppressed / FA Suppressed through the DT Quattro 53's without malfunction or issue; these really may be the way to go for a purpose built ARPK. You're getting Drum capacity with the carry convenience of box mags, and mag cost is only around $45. Lower comes with simple adapted that also allows using regular AR mags.

Quattro-15 Lower By Desert Tech / First Impressions at Red Right Hand LLC
Link Posted: 4/18/2024 11:16:58 PM EDT
[#43]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By spydercomonkey:
Red Right Hand AR-PK upper + Desert Tech Quattro 15 53rd lower + Binary + Bipod = pretty sweet looking

https://www.youtube.com/shorts/9rswMt4y3nI

https://www.youtube.com/shorts/9rswMt4y3nI

Same setup in Full Auto:

https://www.youtube.com/shorts/SIpcAeS7pzk

https://www.youtube.com/shorts/SIpcAeS7pzk

In the comments, Red Right Hand said they have fired 3,800rd of FA / Suppressed / FA Suppressed through the DT Quattro 53's without malfunction or issue; these really may be the way to go for a purpose built ARPK. You're getting Drum capacity with the carry convenience of box mags, and mag cost is only around $45. Lower comes with simple adapted that also allows using regular AR mags.

https://www.youtube.com/watch?v=rq09k0uNVEA
View Quote

The Quattro is a pretty nice looking setup.
Link Posted: 4/23/2024 3:33:25 AM EDT
[#44]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By caduckgunner:
https://i.imgur.com/RtHzCqq.jpg

Still need to decide if I want to go with a flash hider or a break.
View Quote


I'm planning on using a PA EFAB for mine. 50-55% recoil reduction, which I think would be handy for keeping rapid fire from the bipod on target, while having flash suppression equal to the A2.

I've thought for years something like that would be ideal for a FA / Automatic Rifle type setup.

https://precisionarmament.com/efab-hybrid-muzzle-brake/
Link Posted: 4/23/2024 3:36:21 AM EDT
[#45]
In terms of mags, I'm intrigued by the Torkmag 40rd. It's a good bit shorter than the Magpul 40rd, so should be a little easier to work with a bipod.

There's not much reviews on them, but they seem promising for this application.

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