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[SHOT Show 2017] CAMGAS – PROOF It Yourself

That's a Mega MATEN 260 Rem rifle you see above. It's a large framed AR rifle (think AR-10 style) chambered in .260 Remington, using PROOF's new CAMGAS system, and we want you to have one. has teamed up with PROOF Research to give one away (which you already knew if you've been reading our most recent issue). Read on to find out how.



SHOT Show 2017: CAMGAS – PROOF It Yourself

CAMGAS (Caliber Matched Gas System) has been the source of much conversation in the gun world lately, not least at RECOIL HQ. We've been talking to PROOF about CAMGAS for a while now, and have been cautiously optimistic about it since it was first explained. It's the solution to those problems traditionally experienced by .260 and 6.5mm buns built on .308/7.62 platforms, they told us, particularly overpressure.


Intrigued since the beginning, RECOIL HMFIC Iain Harrison finally decided to check the veracity of that claim. So, we worked with PROOF to build a .260 AR-10; Harrison then took it out to the desert to compare it to a more traditional AR-10 type weapon. The .260 is considered by many to be more accurate and ballistically superior to the much more common .308, but historically it hasn't delivered the best performance from a larger framed AR-like foundation.


The verdict is now in — and you're welcome to read it in the latest issue of RECOIL Magazine. In the meantime (and this might be a bit of a hint about our opinion on CAMGAS) we're gonna help you get a CAMGAS MATEN of your own. It isn't the actual Mega MATEN 260 Rem the Boss shot for his article, but it is identically built.

Enter the giveaway by visiting them at SHOT Show, Booth #16129. If you're not in Vegas, hit their Facebook page right here. One damned lucky reader will be randomly selected to win the rifle (valued at $3138) this Friday.

No, it's okay. You're welcome. We're happy to do it.

Here are some of the MATEN 260's features and components.


PROOF Research​ CAMGAS Plus 2 Carbon Fiber Barrel
Mega Arms​ MATEN Receiver Set and Hand Guard
Lantac USA​ EBCG-H and Dragon Brake
JP Enterprises​ High Pressure Bolt
Superlative Arms​ Gas Block
Magpul Industries Corp.​ PRS Gen 3 Stock
Geissele Automatics, LLC DMR Trigger
• Optic not included


Now, if your'e wondering how CAMGAS works, we'll turn you over to Greg Hamilton. He's one of PROOF's big-brain R&D guys, as well as a competitive PRS and 3-Gun shooter. He's been running the proto CAMGAS barrels he helped develop for about a year now.

Here's what he says.

“By moving the gas port, the pressure in the bore is given time to reduce to that comparable of a .308 Winchester with a rifle-length gas system, which is what the 308AR/AR-10 system was designed around. The recoil impulse is noticeably smoother, which helps keep you on target while taking advantage of a more efficient projectile. Case extraction is also easier, with less case-head smearing, so the brass is in much better condition for reloading.”

PROOF Research is currently offering CAMGAS barrels chambered for 6.5mm Creedmoor and .260 Remington in three separate lengths: 20, 22, and 24 inches. Every CAMGAS barrel comes standard with an easy to install custom-length gas tube. You can learn more about it here.

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