The Valken Tactical Battle Machine 2.0 - Introducing the TRG line of AEG's that come standard with a Keymod handguard and near flush muzzle brake. The TRG has been built for close quarters indoor velocities of 330-340 Feet Per Second with 0.20 gram precision BB's. The TRG M or L is a great option for anyone looking for the latest Keymod look. With our new Dual Profile Hi-Viz Flip Up Sights. All Battle Machines come with a retractable 6-Postion Crane stock that accommodates a range of NiMh 8.4-9.6v and LiPo battery configurations, with plenty of room and an easy to remove butt plate without the need for tools.