Empire BT Battle Tested Paintball Delta Elite Upgrade Kit For BT-4 Marker Loaders the only difference is color

the only difference is color

40ct loader

impressive blowback recoil

exhaust valve

This Stella Back is for Autococker threaded paintball markers

Empire BT Battle Tested Paintball Delta Elite Upgrade Kit For BT-4 Marker Loaders the only difference is colorThe Empire BT Delta Elite Upgrade Kit will transform your BT 4 Combat into a serious milsim SMG! The Delta Elite Upgrade Kit bolts onto the BT 4 Combat to give it the look and feel of the classic H&K MP5SD submachinegun. In addition to the telescoping stock and mack magazine, the Delta Elite Kit comes with the legendary Apex barrel for adjustable extra range, flatter trajectory, and trick shot capability! Features Fits any BT 4 model marker Realistic