Shop › MIDWEST 12.625" SLIM LINE HANDGUARD MIDWEST 12.625" SLIM LINE HANDGUARD $167.95 Midwest Industries Slim Line Handguard, 12.625" Length, M-LOK, Aluminum, Fits AR-15 Rifles, Includes 5-Slot Polymer Rail, Black Anodized Finish MI-SLH12.625 Quantity: Add To Cart Added! Midwest Industries Slim Line Handguard, 12.625" Length, M-LOK, Aluminum, Fits AR-15 Rifles, Includes 5-Slot Polymer Rail, Black Anodized Finish MI-SLH12.625