GHK Colt Licensed M4A1 V2 RIS GBBR (10.5" / 12.5" / 14.5") EPM -Hammer groups

-Hammer groups

Standard 20mm Rail along the top for your mounting needs

Muzzle Velocity: 400-420FPS with 0

see datasheet here

Gas: Green Gas

GHK Colt Licensed M4A1 V2 RIS GBBR (10.5" / 12.5" / 14.5") EPM -Hammer groupsComes with orange tip. Features Full metal upper and lower receiver with stamped Colt trademarks Metal barrel assembly with fixed triangular front sight Metal RIS handguard allows for easy addition of any 20mm accessories Flat top receiver makes mounting optics or other accessories easy Adjustable LE style stock and polymer pistol grip CNC bolt carrier group with negative pressure blowback system. CNC process with heat treatment. Harder material and