Tippmann X7 UMP Style Shroud Spring Sniper and instantly switch between them

and instantly switch between them with the flick of a switch

The two rearmost o-rings capture all of the air released and forces it through the bolt to fire the ball

This testing guided the Mini & AXE bolt to what is now the MRT

aluminum body and bolt

due to its Spool Valve design

Tippmann X7 UMP Style Shroud Spring Sniper and instantly switch between themThe UMP Style Shroud has mil sim looks and durability. The free loading design does not require set screws or compression rings that can damage your barrel. Contains a pre molded Picatinny bottom rail and built in front sight. The X 36 folding stock completes the UMP look. (Sold separately)