Empire BT Battle Tested Paintball Delta Elite Upgrade Kit For BT-4 Marker Loaders so one barrel and a

so one barrel and a few inserts will do the job of multiple barrels

impressive blowback recoil

exhaust valve

MOA Dot Size: 3 MOA with 25 MOA Ring

the only difference is color

Empire BT Battle Tested Paintball Delta Elite Upgrade Kit For BT-4 Marker Loaders so one barrel and aThe 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