Airsoft Surgeon AEG Upgrade Spring (Stage 2) HSA Custom Home defense 4 model features reinforced Blowback

4 model features reinforced Blowback unit and slide for durability and the modular back strap system which allows you to change the fit and feel of the grip to better suit your hands (Spare Back Straps Not Included)

MED- Length 11-00 inches

Their reliability comes from the high precision manufacturing process where they are CNC machined

Velcro for Team Patches

Six external zippered pockets

Airsoft Surgeon AEG Upgrade Spring (Stage 2) HSA Custom Home defense 4 model features reinforced BlowbackSpecifications: Installing this spring provides muzzle velocity of approximately 380FPS Power may vary depends on other parts installed.