The BT Delta Upgrade Kit is the perject upgrade for players that are looking to upgrade their BT-4 Combat to appear like a HK MP5. The Kit includes an Apex Ready 9" Barrel with MP5 style shroud, 9mm Mock magazine Weaver rail attachment, Rail mount clamp elbow and sliding MP5 style stock. Complete the styling of your BT Combat with this upgrade kit and start intimidating your opponents before the game even starts!
- Authentic HK Mp5 Appearance for your BT-4 Combat Marker
- Sliding Mp5 style stock with adjustable lengths
- Apex Ready Tip 9" Barrel with MP5 style Shroud
- Weaver attachment 9mm Mock magazine that doubles as a fore grip
- Mp5 style rail Cover to help give the finishing touches to your BT-4 Combat
** Note: Only fits the BT-4 Combat marker