Custom Products Combat Classic .689 20" Barrel - Autococker Electronic Markers The two rear most o-rings

The two rear most o-rings capture all of the air released and forces it through the bolt to fire the ball

3-round Burst

Heavy Duty Bungee Cord for Complete Comfort and Stability

Muzzle Velocity: ~325 FPS (Measured with 0

Durable: All Aluminum Die Cast Receiver & Matte Finish Resist Impact and Wear

Custom Products Combat Classic .689 20" Barrel - Autococker Electronic Markers The two rear most o-ringsThe Combat Classic Barrel is machined and honed to the same exacting standards as the Combat Pro System but does not have the interchangeable tip or optional hand guard thread adapter. The entire barrel has been "fluted" and has superior porting to reduce noise and improve accuracy.