Piston Head - Single O-Ring Version Forge Airsoft Picatinny rails

Picatinny rails

the HK 416 features an 12

CR123A battery or miscellaneous parts storage

Included in the box is an easily installed A4 style stock that allows you to customize this MP5 to your liking as well as in installed claw type Picatinny Optics rail

Squared tip angle to ensure best air seal inside hop up chamber

Piston Head - Single O-Ring Version Forge Airsoft Picatinny railsFeatures: Precision CNC Aluminum Construction Double O Rings for better air seal higher velocity Improved durability over factory plastic nozzle Smaller vent holes along with negative air pressure help bb feeding Proprietary O Ring compound for maximum durability and air seal Ball bearing mount for smooth operation Suitable for higher power (<M120) lower ROF (>25bps) applications