Valken 11.1v 3000mAh Li-Ion Nun-Chuck Battery Plug Type:Deans directly onto the Picatinny rail

directly onto the Picatinny rail

The improved follower keeps the pressure of the spring concentrated in line with the bb stack instead adding sideways pressure to the bb stack and against the walls of the magazine bb channel

one of the cool things about this sight is the integrated green laser

or the 197mm M4 Rifle long length

Valken 11.1v 3000mAh Li-Ion Nun-Chuck Battery Plug Type:Deans directly onto the Picatinny railValken 11. 1v 3000mAh Li Ion Nun Chuck Battery. Should fit in most crane rear stocks for the M4. Comes in either tamiya or deans (T Plug) connector type. A massive 3000mah of juice for lots of long lasting firepower on the battlefield! Requires LiPo specific charger. Charge into 4 prong balance plug ONLY (not in the Tamiya deans output connector!) with a lithium style LiPo charger. 35A output (peak) and no memory effect with Li Ion technology.