Bear Creek Arsenal AR-45 5-inch .45 ACP Barrel, Blowback, 1:16 Twist, Parkerized 4150 CrMoV Steel, 37/64x28 Threaded

AR-45 5-inch .45 ACP Barrel, 1:16 Twist, Parkerized 4150 CrMoV Steel, 37/64x28 Threaded

The AR-45 5-inch barrel is a precision machined 4150 CrMoV steel barrel in a parkerized finish chambered in .45 ACP. The slim profile design features a 1:16 twist rate, a 37/64x28 threaded muzzle, and a pistol-length blowback design compatible with standard AR-45 bolt and receiver configurations. Compatible with 37/64x28 threaded muzzle devices and suppressor mounts. Suited for AR-45 pistols and pistol caliber carbines.

Key Features

• 5-inch .45 ACP barrel, precision machined 4150 CrMoV steel, parkerized finish
• 1:16 twist rate
• Slim profile design
• Pistol-length blowback
• 37/64x28 threaded muzzle
• Compatible with 37/64x28 threaded muzzle devices and suppressor mounts
• Standard AR-45 bolt and receiver compatible
• AR-45 pistols and pistol caliber carbine application
• Lightweight slim profile design

Perfect For

• AR-45 pistol and pistol caliber carbine builders sourcing a 5-inch .45 ACP 4150 CrMoV steel barrel with a parkerized finish and 37/64x28 threaded muzzle for blowback builds
• Shooters who want a slim profile precision machined AR-45 barrel with a 1:16 twist rate and 37/64x28 muzzle thread compatibility for threaded muzzle devices and suppressor mounts
• AR-45 platform builds requiring a pistol-length blowback barrel in 4150 CrMoV steel with a standard AR-45 bolt and receiver compatible feed design

Construction and Compatibility

The AR-45 barrel is precision machined from 4150 CrMoV steel with a parkerized finish across the slim profile body. The 1:16 twist rate and 5-inch pistol-length design address the .45 ACP cartridge in a blowback AR-45 platform. The 37/64x28 threaded muzzle accepts compatible threaded muzzle devices and suppressor mounts at the 37/64x28 thread pitch. The barrel is compatible with standard AR-45 bolt and receiver configurations for AR-45 pistols and pistol caliber carbines.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Verify compatibility with your specific AR-45 bolt, upper receiver, and lower receiver before use. Verify local and state laws regarding threaded barrels and suppressor use before purchasing.