Shop › MIDWEST SP SERIES MLOK 12.625" HG BK MIDWEST SP SERIES MLOK 12.625" HG BK $183.95 Midwest Industries SP Series, Handguard, Fits AR-15 Rifles, 12.625", M-LOK, Black MI-SP12M Quantity: Add To Cart Added! Midwest Industries SP Series, Handguard, Fits AR-15 Rifles, 12.625", M-LOK, Black MI-SP12M