Geissele Automatics MK8, Super Modular Rail, 15", MLOK, Black, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included 05-286B
Geissele Automatics MK8, Super Modular Rail, 13", MLOK, Desert Dirt Color, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included 05-285S
Geissele Automatics MK8, Super Modular Rail, 9.5", MLOK, Desert Dirt Color Finish, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included 05-284S
Geissele Automatics MK8, Super Modular Rail, 9.5", MLOK, Black Finish, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included 05-284B