Empire BT Battle Tested Paintball Delta Upgrade Kit For BT-4 Marker Marker Bags/Cases Lens Thickness: 1

Lens Thickness: 1

confined spaces as well as for personnel who require a concealable weapon

A response trigger kit is installed in the marker

When you’re done for the day just switch your selector to the safety position

and folding foregrip

Empire BT Battle Tested Paintball Delta Upgrade Kit For BT-4 Marker Marker Bags/Cases Lens Thickness: 1Delta Upgrade Kit! Upgrade your Game! Take your BT 4 and give it an authentic military look with the Delta and Delta Elite Upgrade Kits from BT Paintball. The Delta Upgrade kit will take your marker from a stock BT 4 and transform it into a complete BT Delta marker, with its authentic submachine gun styling.