Lead & Steel LLC 5.56mm 16" Pencil Profile Carbine-Length Barrel, M4 Feed Ramps - LS556PEN-CAR-16

This 16" carbine-length barrel is chambered in 5.56mm NATO with a pencil profile and 1:7" twist rate. It features M4 feed ramps for enhanced reliability and compatibility with standard AR-15 platforms. The barrel is suitable for direct installation on AR-15 rifles and carbines.