Shop › GEISSELE 13.5" SMR MK16 MLOK BLK GEISSELE 13.5" SMR MK16 MLOK BLK $331.50 Geissele Automatics MK16, Super Modular Rail, AR15 Handguard, 13.5", M-LOK, Anodized Finish, Black 05-650B Quantity: Add To Cart Added! Geissele Automatics MK16, Super Modular Rail, AR15 Handguard, 13.5", M-LOK, Anodized Finish, Black 05-650B