Shop › MIDWEST COMBAT RAIL 4.5" HNDGRD MLOK MIDWEST COMBAT RAIL 4.5" HNDGRD MLOK $146.95 Midwest Industries Combat Rail, Handguard, 4.5" Length, M-LOK, Includes 5-Slot Polymer Rail Section, Barrel Nut and Wrench, Fits AR-15, Black Anodized Finish MI-CRM4.5 Quantity: Add To Cart Added! Midwest Industries Combat Rail, Handguard, 4.5" Length, M-LOK, Includes 5-Slot Polymer Rail Section, Barrel Nut and Wrench, Fits AR-15, Black Anodized Finish MI-CRM4.5