M4 Mk18 Mod I MWS GBB Gas Rifle Tokyo Marui
Velocity: 300-330fps* (with 0.20g bb)
Magazine: 35 Rounds ( NOT Compatible with former M4 / M16 Series Magazines )
Hop Up: Yes, adjustable
Outer barrel thread: 14mm negative
Gun, 1x Magazine
*Please note: different brands of .20 BB's and or different chrono's can give different velocity readings.