Action: Semi-Automatic

Outer Barrel Material: Metal

It is recommended to swap out punctured CO2 cartridges and leave an un-punctured cartridge inside the Byrna HD to avoid any compressed air loss

Compatibility: Works best with G&G brand AEGs and fits any standard Marui style M4 AEG

Machined with Aircraft Grade Aluminum Using a 26-degree Twist

G&G CMF-16K AEG AIRSOFT RIFLE BYRNA Action: Semi-AutomaticManufacturer: G&G Model: CMF 16K Muzzle Velocity: 370 400 FPS Magazine Capacity: 450 rds Blowback Action: Non Blowback Color: Black Package Includes: Gun, Magazine Caliber: 6 mm (. 24 cal) Power Source: Electric Shooting Mode: Semi Auto Full Auto Battery and charger are sold separately