Tippmann Airsoft M4 1 3/4" Buffer Tuber Spacer Barrel Backs/Fronts/Inserts/Adapters a reversible mag lock to

a reversible mag lock to convert the pistol to be more lefty friendly

Straight porting to keep your marker quiet and provide consistent airflow around the ball as it leaves the bore

Polymer frame with aluminum slide with officially licensed Heckler and Koch trademark

KD-II featured with an improved trigger giving user a lighter and softer trigger pulls ever on a

Velocity: 350~380 FPS / Maximum effective range: 120 feet

Tippmann Airsoft M4 1 3/4" Buffer Tuber Spacer Barrel Backs/Fronts/Inserts/Adapters a reversible mag lock toThe M4 1 Buffer Spacer installs in the buffer tube and increase spring tension behind the rear bolt. Velocity increases by approximately 50 FPS. Installs in minutes. Features: Increases Velocity 50 FPS Great for Sniper Roles No modifications required