Proof Research Barrel AR-15 22 Nosler CAMGAS Length Gas Port with Gas Tube 1 in 8" Twist Stainless Steel

  • Product Family #: 1019039462
Proof Research Barrel AR-15 22 Nosler CAMGAS Length Gas Port with Gas Tube 1 in 8" Twis...
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Product Overview


  • Match-grade accuracy
  • Unprecedented durability
  • Double-stress relieved 416R stainless steel
  • CAMGAS system improves reliability while smoothing operation and recoil impulse


Proof Research's steel barrels are produced in-house from double-stress relieved 416R stainless steel. This pre-hardened chromium steel is ideally suited for match grade rifle barrels. Each barrel is drilled, contoured and reamed to bore diameter. It is then cut rifled, lapped, and inspected via borescope. This ensures an extremely consistent and accurate finished product.


Proof’s Caliber Matched Gas System (CAMGAS) barrels tailors the gas system to the 22 Nosler cartridge, eliminating the need for adjustable gas blocks and tuned buffer systems. Proof’s R&D team solved the overpressure issue with gas systems tuned specifically to the cartridge/barrel-length combination. By moving the gas port, the pressure in the bore is given time to reduce to that comparable of a 223 Remington with a rifle-length gas system, which is what the 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.


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Delivery Information

Must Ship to FFL Dealer
Shipping Weight
Ships Alone
DOT- Regulated
Carrier Restrictions
  • Cannot ship via air
  • Cannot ship via USPS
  • Cannot ship to PO Box
  • Must ship to Contiguous US
HazMat Product

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