T-N.T. T-HOP GBB Complete Kit for KJ Works

To elevate Airsoft BB gun's muzzle velocity and trajectory stability but still struggling to find a suitable upgrade HOP kits.
Simple install steps, effective range can improve about 40 % to 60%!!

All products are recommended to have DIY ability to make fine adjustments and modifications.

Before the modify, recommended to check and exclude the original issues to achieve the best results, or commissioned by the store to modified.

Replacement of kits does not mean that can solve all the original parts of the issues, sometimes still have to modify the other components to achieve the best performance.