Silent Industries HyperSeal POM AEG Piston Head PK165 5mm hex head

5mm hex head

A big advantage is that there is no need to use any additional wires

The APFG S-009BK Rattler LT GBB Airsoft Rifle features a 6mm green gas blowback system for a realistic shooting experience

Pink Femme Fatale edition

Just look down

Silent Industries HyperSeal POM AEG Piston Head PK165 5mm hex headSilent Industries Advanced POM Piston Head! Key Features & Benefits: Lightweight & Durable Precision machined POM construction with optimized porting for improved airflow. Premium Sealing Equipped with high quality VITON O rings to ensure maximum FPS consistency and air seal. Dual O Ring Design Reduces friction, preventing cylinder wall contact and potential scratching. Noise Reduction Recessed front area minimizes impact noise for a quieter shot.