Shop › GEISSELE 15" SMR MK16 MLOK BLK GEISSELE 15" SMR MK16 MLOK BLK $331.50 Geissele Automatics MK16, Super Modular Rail, AR15 Handguard, 15", M-LOK, Anodized Finish, Black 05-792B Quantity: Add To Cart Added! Geissele Automatics MK16, Super Modular Rail, AR15 Handguard, 15", M-LOK, Anodized Finish, Black 05-792B