- Durable Hop-Up Rubber for AEG.
- Comes with the bucking, hop up spacer, barrel spacer and barrel bushing.
- Improve shooting accuracy, air-tightness & firmness
- The white plastic barrel spacer is made to keep the inner barrel steady in the hop up unit in front of the bucking.
- The barrel spacer is made to go near the front of your inner barrel to keep the front steady inside the outer barrel
No reward points for this product.