Shop › MFT EXT DUTY FREE FLT RL 13.5" MLOK MFT EXT DUTY FREE FLT RL 13.5" MLOK $149.99 Mission First Tactical Extreme Duty, Handguard, 13.5", M-LOK, Black, Fits AR-15 TMEXD-MHG-135 Quantity: Add To Cart Added! Mission First Tactical Extreme Duty, Handguard, 13.5", M-LOK, Black, Fits AR-15 TMEXD-MHG-135