Used Empire Battle Tested BT-4 Combat with upgrades Marker Parts & Upgrades which is nearly 3 inches

which is nearly 3 inches shorter than the X7

3-shot burst

and buffer tube are all polymer

Adjustable Manufacturer: King Arms (Blaser Trademarks licensed by Cybergun)

Visual LED Indicator

Used Empire Battle Tested BT-4 Combat with upgrades Marker Parts & Upgrades which is nearly 3 inchesThis is a listing for a used BT 4 Combat. This marker shows signs of use, and it has been tested by our factory trained technician and is found to be in perfect working condition. See images below for more details. Some of the upgrades: Apex 2 barrel Barrel shroud M16 style sight rail handle Front Foregrip Stock Flashlight with pressure switch on off