This Bear Creek Arsenal barrel is a 5-inch 10mm Auto barrel built for direct blowback AR pistol/PCC platforms, in a slim profile with a 1:16 twist rate. Machined from 4150 chrome moly vanadium steel and finished in Parkerized black, it's threaded 9/16x24 at the muzzle for compatible 10mm muzzle devices. As a direct blowback design, no gas tube is required.
The barrel is machined from 4150 chrome moly vanadium steel in a slim profile at 5 inches, chambered for 10mm Auto with a 1:16 twist rate. It's finished in Parkerized black for wear and corrosion resistance, and it's built for direct blowback operation, meaning no gas tube or gas block is required. Integrated pistol caliber feed geometry and 9/16x24 muzzle threads round out the design, sized for compatible 10mm muzzle devices.
This barrel is built for compact 10mm AR pistol and PCC builds running a direct blowback operating system.
Follow all manufacturer instructions and safe handling practices.
Ensure compliance with all applicable federal, state, and local laws.
Platform: AR-15 / AR-9 Style Pistol Caliber Platform
Caliber: 10mm Auto
Barrel Length: 5"
Barrel Profile: Slim Profile
Barrel Material: 4150 Chrome Moly Vanadium Steel
Barrel Finish: Parkerized
Twist Rate: 1:16
Operating System: Direct Blowback
Gas System: Blowback, No Gas Tube Required
Muzzle Thread Pitch: 9/16x24
Muzzle Device Compatibility: Compatible with Properly Threaded 9/16x24 10mm Muzzle Devices
Barrel Extension Style: Pistol Caliber / Blowback
Feed Ramp: Integrated Pistol Caliber Feed Geometry
Color: Black
Intended Use: Compact 10mm AR Pistol / PCC Builds
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