Airtech Studios Inner Barrel O Ring Stabilizer (10pcs)

The silicone O-rings are designed to replace the stock spring that is normally placed onto the inner barrel/front of the hop-up chamber. These O-rings create a tight seal on the outside of your inner barrel to ensure consistent performance.

• Stabilize the hop-up system
• Consistent hop on the BB
• 10PC will be included and should be able to fit 2 guns.