Centring O-ring for TopMax Hop Up THopUp chambers

Centring O-ring for TopMax Hop Up THopUp chambers

Centring O-ring for T-HopUp chambers. These O-rings are designed to improve the alignment of the T-HopUp chamber to the GB, improving the tightness and stability of the T-HopUp chamber itself.

The kit includes 3 centring o-rings.