Upgrade your Game! Take your BT-4 and give it an authentic military look with the Delta Elite Upgrade Kit. The Delta Elite Upgrade kit will take your marker from a stock BT-4 and transform it into a complete BT Delta Elite marker, with its authentic submachine gun styling and the unique Apex barrel. Add the Rip Clip and E-Grip and you’ll complete the Delta Elite package. The Kit contains barrel with shroud, stock, magazine, top shroud and new clamp elbow. Begin with a standard BT-4 or any of its variants and modify it into the submachine gun used by Special Forces around the world. 

Features Include:

• Fits any BT-4 model marker

• Authentic SMG styling

Kit Includes:

• BT Apex Barrel with shroud

• Hit previously untouchable targets with new curve features.

• Adjustable ramp switch – choose the desired level of the curve.

• Left hook, right hook, dive bomb shots and long flat trajectory shots with a twist of the barrel.

• Collapsible stock

• Magazine, Picatinny mounted

• Picatinny mount Clamp Elbow with shroud