Geissele Automatics MK13, Super Modular Rail, 7", MLOK, Black Finish, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included 05-579B
Geissele Automatics MK14, Super Modular Rail, 9.5", MLOK, Black Finish, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included 05-578B
Geissele Automatics MK13, Super Modular Rail, 9.5", MLOK, Includes Gas Block. Black Finish, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included 05-577B
Geissele Automatics MK14, Super Modular Rail, 15", MLOK, Black Finish, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included 05-575B
Geissele Automatics MK14, Super Modular Rail, 13", MLOK, Black, Black Finish, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included 05-573B
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
Geissele Automatics MK4, Super Modular Rail, 9.5", MLOK, Black, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included 05-283B
Geissele Automatics MK4, Super Modular Rail, 13", MLOK, Desert Dirt Color, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included 05-278S