This Bear Creek Arsenal barrel is a 7.5-inch .45 ACP AR-45 barrel built for direct blowback operation, machined in an M4 contour profile from 4150 chrome moly vanadium steel and finished in Parkerized/Phosphate black. It features a 1:16 twist rate and .578x28 muzzle threads.
The barrel is machined from 4150 chrome moly vanadium steel in an M4 contour profile at 7.5 inches, chambered for .45 ACP 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. The muzzle is threaded .578x28.
Follow all manufacturer instructions and safe handling practices.
Ensure compliance with all applicable federal, state, and local laws.
Platform: AR-45
Caliber: .45 ACP
Length: 7.5-inch
Thread Pitch: .578x28
Color: Black
Finish: Phosphate
Twist Rate: 1:16
Material: 4150 CRV
Check out our Shipping and Processing Times Check out our Warranty/Returns and Terms and Conditions Check out our State Restrictions page
