844 and 1034 .177 tubes
This order will include the following:
1x 844 tube for GRAVmag Compact
1x 1034 tube for GRAVmag Compact
1x Spring
These tubes are compatible with the following pellets:
- JSB Exact Diabolo 8.44gr
- AirArms Diabolo Field 8.4gr
- JSB Exact Heavy Diabolo 10.34gr