Lead & Steel AR-9 LS9MM16-36 16\" 9mm 4150 CMV QPQ Nitride Barrel for AR-9 Platform.

This Lead & Steel AR-9 barrel is purpose-built for AR-9 carbines chambered in 9mm, offering reliability and durability for your build. Manufactured from robust 4150 chrome moly vanadium steel and finished in QPQ black nitride, it features a straight profile and is compatible with blowback operation systems. 4150 chrome moly vanadium steel with black nitride finish 1:10 twist rate for 9mm ammunition 16-inch straight profile barrel for AR-9 platform Engineered for AR-9 builds, this barrels durable construction and precise rifling are designed to support consistent performance for a variety of shooting needs.