AIP O-Ring (FKM) For Aluminum Blowback Housing
Dynamic Precision O-ring for Lightweight Blowback Housing  These durable O-rings are replacement parts for the
Dynamic Precision Ultra Lightweight Blowback Housing. 

- Design for Blowback Housing O-ring type Piston head

- For TM spec hi-capa

- As always, upgrading GBB require necessary skill & technique, consult expertise if needed

Major Color : Green

Built Material : FKM