Shop › MIDWEST SP SERIES MLOK 15" HNDGRD BK MIDWEST SP SERIES MLOK 15" HNDGRD BK $194.95 Midwest Industries SP Series, Handguard, Fits AR-15 Rifles, 15", M-LOK, Black MI-SP15M Quantity: Add To Cart Added! Midwest Industries SP Series, Handguard, Fits AR-15 Rifles, 15", M-LOK, Black MI-SP15M