M4-89 5.56X45 Nato 12.5'' Bbl 11.5'' M89 Rail W/A2 Flash Hider

The SOLGW M4-89 Upper Half comes with SOLGW’s Combat Barrel and M89 Rail, and is available in 12.5” and 13.7” 5.56, with A2, NOX or ASR muzzle devices. No BCG or C/H *13.7” barrels come pinned and welded flash hiders for OAL of 16”*