Infornmation:TORNADO GBB Valve for WE M4 Series GBB Magazine M4Color: N/ANotice: TORNADO GBB Valve for WE M4 Series GBB Magazine M4TORNADO GBB Valve for WE M4 Series GBB Magazine M4 $12.50 Regular Price$10.00Sale PriceGrand Opening SaleQuantityAdd to Cart