Sig Sauer P320 357 SIG 4.7" Black Nitron Replacement Barrel - Fits P250/P320 Full-Size

The Sig Sauer P320 .357 SIG Replacement Barrel is a factory-original drop-in barrel designed for the P320 and P250 full-size pistols. Chambered in .357 SIG and cut to a 4.7" length, this barrel is specially heat-treated for toughness and long-term durability.