M4 A3 UPPER RECEIVER/BARREL ASSEMBLY- NO CARRY HANDLE
One of our most popular configurations, this light weight, chrome lined 16" barrel assembly has the cutout profile designed to mount the M203 Grenade Launcher.
M4 A3 223 16" UPPER Assembly, no FFL required, this is the upper unit only.
Drop on attachment to any 223 lower.
Magazine not included.
Uses standard AR16/M16 magazines.