Out of stock
SKU: BCG45
UPC: 000000010683
MPN: BCG-45
The New Frontier Bolt Carrier AR45 in .45 ACP Black is purpose-built for shooters who demand reliable function in .45 ACP platforms. Whether you're building a .45 ACP AR pistol for home defense, competition, or specialized tactical applications, this carrier serves as the critical heart of your upper receiver.
Machined from hardened steel and finished in durable black nitride, this bolt carrier is designed to handle the increased bolt thrust and recoil impulse of .45 ACP ammunition without premature wear or timing failures. Its mass and geometry are specifically engineered to work with .45 ACP bolts and buffers, ensuring proper dwell time and consistent ignition across factory and hand-loaded ammunition.
Law enforcement armors and civilian shooters building .45 ACP AR platforms rely on quality carriers to avoid malfunctions that compromise mission-critical performance. This carrier pairs seamlessly with New Frontier Armory .45 ACP bolts and requires a compatible buffer designed for .45 ACP applications.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
New Frontier Armory