Empire BT Battle Tested Paintball Delta Upgrade Kit For BT-4 Marker Spring Sniper upgrade-able strap

upgrade-able strap

Integrated Quick Release weaver style/picatinny mounting system

Note: All new above features are only available on the new M2 MOSAir Circuit board due to the highly updated processor and coding that make up the MOSAir circuit board

Perfectly balanced with center of gravity over feed neck

The Standard Adjustable ships at 800psi and allows you to adjust your pressure from 500psi

Empire BT Battle Tested Paintball Delta Upgrade Kit For BT-4 Marker Spring Sniper upgrade-able strapDelta 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.