Upgrade or replace the barrel on your 1911 full-size with this threaded barrel. It allows you to attach a suppressor or other muzzle device. A knurled thread cap protects the end when no device is attached. Sig Sauer factory replacement pistol barrels are specially heat-treated for toughness and durability.
|Barrel Features||.578"-28 tpi|
|Caliber Or Gauge||45 Automatic Colt Pistol (ACP)|
Determined at checkout.