Vertical Height is 4 1/2"

Added texture and grip for comfort and accuracy

Airsoft Masterpiece Triangle Version 2 slide silver

Muzzle Velocity: 300-330 FPS

SHS one-piece bore up cylinder set for M4 shs Vertical Height is 4 1/2"Essential part for upgrading your Airsoft Electric Gun AEG Durable cylinder with Polished Inner surface guarantee smooth action As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed Package Includes: 1. Stainless Bore Up Cylinder Head 2. Bore Up Air Seal Nozzle 3. Bore Up Ventilation Piston Head 4. Bore Up Chromium Plating Cylinder Bore Up Cylinder Set need to be used with M120 ~ M170 AEG