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Old 02-13-2017, 08:22 PM   #1
BarnOwlLover
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Default RPK-16 quick change barrel?

Videos and info on the RPK-16 claim that it has a quick change barrel. Not like on most LMGs, but one that can be changed in the field to change length and maybe caliber.

Considering that a standard AK isn't GCB friendly (Kalashnikov had to make the AK-15 in 7.62 as an offshoot of the AK-12 due to it using a trunnion design similar to the AKM derived rifles), I wonder how they're able to accomplish this. Though it probably helps that like earlier RPKs, the RPK-16 has it's own trunnion design compared to the standard rifles.
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Old 02-24-2017, 10:30 AM   #2
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neat system, reads they are working on a drum for this also.

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Old 02-24-2017, 02:34 PM   #3
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Anybody seen/read how this quick-change barrel works?? Been looking around some but haven't been able to find anything. Looks kinda like a pin at the bottom front of the trunnion, but also seems like it might have a regular barrel pin as well?
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Old 03-08-2017, 07:18 PM   #4
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I don't know how much this will help, but could this maybe be the key to how the RPK-16's quick change barrel works?

https://scontent-ort2-1.xx.fbcdn.net...85&oe=5968755E

https://scontent-ort2-1.xx.fbcdn.net...e4&oe=5932C869
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Old 08-06-2017, 11:49 AM   #5
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This video features mostly current Kalashnikov Group AKs, but it also features the RPK-16. Can anyone gain any clues as to how the quick change barrel is supposed to work?

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Old 08-10-2017, 03:33 PM   #6
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Hmm wonder if the furniture is available?
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Old 08-10-2017, 06:27 PM   #7
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I saw some photos earlier today that looked an awful lot like the rpk16, and it looks like it's done via a barrel nut like an ar. I'll see if I can find the pics and post them here later tonight
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Old 08-10-2017, 10:44 PM   #8
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Okay, here it is. It doesn't look exactly like the RPK16, but that could just be due to the different rear trunnion, and a barrel assembly that has a more traditional component and handguard setup. I think this might be some kind of civilian model, but I'll bet the military RPK16 uses the same special front trunnion and barrel nut setup. Here are a few pics:



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Old 08-11-2017, 09:55 PM   #9
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Doesn't use the same gas system (adjustable instead of a plug for cleaning the gas tube), and the barrel looks different as to how it interfaces to the receiver. There's a lug on the RPK-16 barrel that goes into or hooks onto the lower receiver that looks like it might be held by a pin or bolt.

Like the AK-12, the RPK-16 also has a free floated barrel and the handguards attach I think to a bracket on the receiver.
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Old 08-11-2017, 10:16 PM   #10
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Old 08-12-2017, 02:43 AM   #11
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Video makes it look it the barrel interfaces with the handguard and how it attaches to the receiver.
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Old 08-12-2017, 11:13 AM   #12
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It looks like there is a pin on the lower front of the receiver (probably integrated into the trunnion for strength) that locks into a bracket on the barrel, and the pin on the handguards locks into a channel on the bracket and is held in place by the barrel when it is locked in. Hard to tell exactly, but that video is the best demonstration I've seen so far--thanks for posting that unit28, interesting. Definitely a quick change setup vs a barrel nut, although that wouldn't be too bad either.
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