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 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