500FPS Upgrade set by Well for VSR

Well Upgrade Set for  MB02, MB03, MB07, MB09, MB10, MB11, MB12.  Included Metal spring guide, Upgraded 9mm spring and metal piston. Pushing you L96 up to 500-550 fps ! Not suitable for MB44xx series , Marui VSR and JG BAR10!

500FPS Upgrade set by Well for VSR

SKU: 4014
£27.99Price