Sig Sauer P320 9mm 5.50 Threaded Nitron Barrel Fits P320

The Sig Sauer 8900443 P320 9mm Luger 5.50" Threaded Black Nitron Steel factory replacement barrel delivers rugged, factory-grade performance for the P320 platform, engineered to withstand demanding use with a 5.50" length and a precision-threaded 1/2-28 RH configuration for reliable suppression or custom muzzle devices. This Nitron-finished barrel is heat-treated for toughness and durability, ensuring consistent accuracy and long service life in full-size P320 pistols chambered in 9mm Luger. Designed to pair seamlessly with non-loaded chamber indicator slides and pistols, it enhances accuracy potential while providing a clean, corrosion-resistant finish that stands up to outdoor hunting and range use alike. The barrel's construction supports tight tolerances, contributing to dependable cycling, steady point of aim, and repeatable performance shot after shot. Whether upgrading a duty pistol or outfitting a hunting or target setup, this threaded Sig Sauer barrel maximizes versatility by enabling suppressor-compatible shooting or direct-mount muzzle devices without compromising fit or reliability. This is an ideal choice for shooters seeking a durable, factory-quality upgrade that maintains the integrity of the P320 platform while expanding its practical applications.