The K45 is a pistol caliber 45 ACP in an AR-15 platform with a 16" barrel. Olympic Arms pistol caliber models use standard AR-15 lower receivers that accept polymer pistol caliber magazines. The K45 model includes forged A2 upper with fully adjustable rear sight, elevation adjustable post with bayonet lug, long-life non-chromed bore and the handguard has fiberite carbine length caps.
- Finish: Black
- Action: Semi-Automatic
- Caliber: 45 Automatic Colt Pistol (ACP)
- Barrel Length: 16"
- Stock: 6-Position Collapsible Black
- Overall Length: 31.625"
- Weight: 6.73 lbs.