AR-45 .45 ACP Kits – PCC Pistol & Rifle Build Kits

Build Your Own AR-45 .45 ACP Rifle & Pistol

Shop AR-45 .45 ACP kits and .45 caliber AR build kits from Moriarti for pistol, Micro ARP and rifle-length PCC configurations. Browse .45 ACP AR pistol kits, AR-45 rifle kits and compact Micro ARP configurations in multiple barrel lengths, handguards, colors and finishes. These pistol-caliber AR kits provide component packages for compatible .45 ACP configurations. Lower receiver is not included. Exact components, magazine compatibility, buffer configuration and LRBHO capability vary by kit.

Is .45 Auto the same caliber as .45 ACP in an AR-45 kit?

Yes. .45 Auto and .45 ACP generally refer to the same cartridge designation, so shoppers may encounter both terms when searching for AR-45 and .45 ACP PCC components. Moriarti uses .45 ACP as the primary caliber terminology for its AR-45 kits.