Building a 10mm blowback rifle

Pablo · December 30 2015 03:10:05 PM MST

I'm thinking 12" barrel on my Glock 20 is the way to go for a 10mm Carbine. ${$default_grin_smiley}$ ${$default_cheesy_smiley}$ ${$default_shocked_smiley}$ $:-\$ - OK I'm kidding

Hang in there!!

Captain O · December 30 2015 07:21:38 PM MST

Mongo: I like the idea of a "gas operated" 10mm carbine. If you can arrange for the proper amount of gas regulation for the long arm (as does a Wildey gas-operated pistol) It would be perfect! It would also be a nice platform for the 10mm Magnum. i have occasionally wondered how well a 500 S&W Magnum would work if the rim were turned down to make the "Mighty 500" a "rimless" cartridge. Surely the .500 S&W Magnum would make for a marvelous 100+ yard self-loading round.

D'ya think?

Mongo · December 31 2015 10:54:48 AM MST

Quote from: Pablo on December 30 2015 03:10:05 PM MST
I'm thinking 12" barrel on my Glock 20 is the way to go for a 10mm Carbine. ${$default_grin_smiley}$ ${$default_cheesy_smiley}$ ${$default_shocked_smiley}$ $:-\$ - OK I'm kidding

Hang in there!!

I can appreciate that! Especially, with all the issues you are having with the BCG. I wish I could help but I don't have the knowledge or experience yet.

Mongo · December 31 2015 10:57:19 AM MST

Captain O,

500 S&W carbine would be ridiculous! ....in a good way!

Mongo · March 07 2016 08:55:29 PM MST

So....

Still waiting on QC10 to finish testing the 10mm chambered barrel.

In the mean time, I have an associate working on the feasibility of a hybrid gas piston system.

cwlongshot · April 06 2016 07:10:31 PM MDT

Quote from: undeRGRound on December 26 2015 06:13:54 PM MST
That would be the way to go, IMO... no "end user" R&D required!
Ya gotta PAY to PLAY, but when I PAY, I expect to PLAY, not WORK ${$default_shocked_smiley}$

My only issue was crown, and frankly that was mostly looks.

I chose to tinker with the butt.

I never understood your opinion. I like to tinker, I will always tinker to make what ever it is mine.. WE ALL DO!!

Two questions, two of the largest purchase most people make. House and Vehicle. You would be lying to us all OR the most boring person on the planet, if you said both where exactly as the day you purchased them.

It's all in your perspective my brother. ${$default_grin_smiley}$

CW

scubadds · June 09 2016 07:20:05 AM MDT

I am sitting in the exact same spot.
I have a qc10 large mag lower (and a .45 bolt)
Was awaiting QC10 to test the system out; They did mention the blowback worked, but they had a few feeding problems....

I think going DI might be a better bet...seems safer if nothing else.

sstewart · June 09 2016 08:48:10 AM MDT

rmw extreme can provide upper to go with qc10 lower. Because I have one in 10mm. He provides the bolt. (complete upper) Also most other calibers also.
Most of these require some tweaking with 10mm debase of mag variability and OAL

Mongo · June 09 2016 04:02:02 PM MDT

I too have considered the di option from RMW extreme but I have the upper I want (side charging) and the hand guards I want. Ron has communicated its an all or nothing system due to proprietary parts. I am dogmatic about not settling at this point. Besides, all the reported feed issues are a big turn off.

sstewart · June 09 2016 09:03:25 PM MDT

Thats right. I believe you will have feed issues initially too. It's a shake down (tuning) process.

Sent from my iPad using Tapatalk

Pablo · June 09 2016 09:32:21 PM MDT

Indeed. It is fun if you don't stress about it.

Mongo · September 04 2016 08:54:24 PM MDT

I have finally installed a 16" barrel and compensator from Kaw Valley Precision.

Pictures and range report to follow.

Its been nearly a year long journey.

Mike D · September 04 2016 09:42:54 PM MDT

Quote from: Mongo on June 09 2016 04:02:02 PM MDT
I too have considered the di option from RMW extreme but I have the upper I want (side charging) and the hand guards I want. Ron has communicated its an all or nothing system due to proprietary parts. I am dogmatic about not settling at this point. Besides, all the reported feed issues are a big turn off.

Then he has changed since he built my upper. I sent him my VLTOR upper receiver and Noveske NSR handguard and he supplied the rest.

Mongo · September 18 2016 10:40:55 PM MDT

Mike D: Nice build!

Osprey can?

Perhaps Ron has changed or I caught him during his shop move and he really didn't want to spend the time to go over the details involved. Either way it doesn't matter at this point as I have a build.

I was pleasantly surprised to see Armscor brass land only a couple of feet behind me. As a blowback, I was expecting the brass to be launched into low orbit.

I had some FTF issues at its inaugural firing but a little polish to ramp and chamber seems to have corrected
it.

Mike D · October 30 2016 10:40:53 AM MDT

Quote from: Mongo on September 18 2016 10:40:55 PM MDT
Mike D: Nice build!

Osprey can?

Perhaps Ron has changed or I caught him during his shop move and he really didn't want to spend the time to go over the details involved. Either way it doesn't matter at this point as I have a build.

I was pleasantly surprised to see Armscor brass land only a couple of feet behind me. As a blowback, I was expecting the brass to be launched into low orbit.

I had some FTF issues at its inaugural firing but a little polish to ramp and chamber seems to have corrected
it.

Thanks I really enjoy shooting it.

Yes sir that's an Osprey 45. Hindsight being what it is, I wish I had gone with the Octane instead.

Sounds like you ended up with a blowback design? If so what setup did you go with?

Sent from my iPhone using Tapatalk Pro