COMPLETE 5.56 M4 UPPER ASSEMBLY W/ 1:8 TWIST BARREL, 7″ KEY MOD HAND GUARD, SAME-PLANE GAS BLOCK & GAS LINE, & SPLINTER COMPENSATOR

Product Description

Complete 5.56 M4 Upper Assembly with 1:8 Twist Barrel, 7″ Key Mod Hand Guard, Same-Plane Gas Block & Gas Line, & Splinter Compensator/Muzzle Brake – Each purchase is for one ASP Supply 5.56 M4 upper assembly with various parts as described and pictured.  Does not include bolt carrier group.