BT Delta Elite Upgrade Kit

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 sub machine gun. In addition to the telescoping stock and mock 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 SMG look
  Kit Includes:
• BT Apex Barrel with Shroud
• Collapsible stock
• Magazine
• Rail Mount Clamp Elbow