CMMG 10mm 16 inch barrel

[ARCHIVED THREAD] - CMMG 10mm 16 inch barrel

Posted: 1/31/2023 1:24:01 PM EDT

Been looking and waiting for a 10mm AR rifle. Being I have a CMMG 10mm pistol I'd like to replace the barrel with a 16 inch. Does anybody make a drop in barrel? Been search for a while but no luck.

This has nothing to do with the ATF pistol brace BS. Just looking for increased accuracy and performance out of the longer barrel

Unless there is a rifle I could buy. However it must be AR platform and take Glock mags and not be a High Point or Kriss.

Posted: 1/31/2023 4:44:43 PM EDT

[#1]

Not sure of your NFA status or appetite for the totally unreasonable wait time.

With that in mind, here's some info on muzzle velocity and energy from Ballistics by the Inch

Here's a screen grab of the velocity(1) and ME(2) charts for quick reference, 9-10in is the rough pivot point for diminishing return from barrel length.

Posted: 2/13/2023 10:53:43 AM EDT

[#2]

Aero Survival Rifle - 10mm Velocity Testing

https://www.youtube.com/watch?v=p9rQXau7wYQ

With the right ammunition 10mm out of a 16” is impressive.

Buffalo bore 180 grain hits 1700 fps

That’s 1100 ft/lbs!

Posted: 2/24/2023 7:26:12 PM EDT

[#3]

Would this one work???

https://www.joeboboutfitters.com/New-Frontier-Armory-AR-15-16-Match-Grade-10MM-415-p/nfa-bbl-10mg-16.htm

Posted: 2/24/2023 10:18:36 PM EDT

[#4]

Guess it won't cause of the delay blow back with the bolt.

Posted: 2/25/2023 7:15:17 AM EDT

[#5]

@Mad-Machinist can make you one. He made one for a buddy of mine's 10mm CMMG RDB and it doesn't have the case buldging issues like a factory 10mm CMMG RDB barrel does.

I had him make me a .45 CMMG RDB barrel from a blowback barrel. I wanted to use SS.
https://c3junkie.com/?page_id=841

I sent him this:

and got back this:

Posted: 2/27/2023 8:01:15 PM EDT

[#6]

What length do you want?

Posted: 4/3/2023 10:53:56 PM EDT

[#7]

You make 16in 10mm barrels for cmmg?

Posted: 4/15/2023 9:44:19 PM EDT

[#8]

Guess we'll never know??

[ARCHIVED THREAD] - CMMG 10mm 16 inch barrel

Armory » Pistol Caliber Carbines

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