The Bolt B4 URGI is based on the M4 URGI with 9 inch barrel profile. It comes with Geissele styled handguard and charging handle, imitating the most recent rifles used by American special operations forces.

Bolt ERG are recommended to be run with dual batteries in parallel.

Specifications

• Manufactured by Bolt
• Electric powered recoil gun ERG
• BRSS Recoil system
• MLok Rail
• Full and Semi-Automatic
• Averages 370-390 FPS
• Includes one 120 round metal magazine
• Dean T-Plug connector with dual battery adaptor
• Need 2X 11.1V stick battery
• For 6mm Airsoft BB only

Battery and charger must be bought separately.