Upgrade or replace the barrel on your P226 with this original Sig Sauer part. The threaded barrel is chambered in 9mm and 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. This model is compatible with P226 pistols and has a black finish with 13.5x1LH muzzle threads.