Description
The Proof Research 100530 AR-Style barrel is chambered in 300 Blackout and finished in stainless steel. It measures 12.50 and employs a pistol-length gas system with a 1:7 rate of twist. The barrel features a rifled bore with five grooves and a 5/8-24 tpi muzzle thread for common muzzle devices.
Key Specifications
The manufacturer is Proof Research.
The model is 100530 AR Style.
The caliber is 300 Blackout.
The barrel length measures 12.50.
The gas system is Pistol Length.
The rate of twist is 1:7.
The barrel has 5 grooves.
The muzzle thread is 5/8-24 tpi.
The finish is Stainless.
The bore type is Rifled.
Proof Research stainless construction delivers a combination of high tensile strength and toughness to withstand extreme chamber pressures, along with excellent erosion wear characteristics and corrosion resistance. This barrels dimensions, twist rate, and threading make it well suited for compact AR-style pistol builds and suppressed setups where 300 Blackout is specified, providing a durable foundation for a short-barrel platform.
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