The Complete Guide To GBB Upgrades Parts 2 and 3 by TopHatRunner Airsoft are available to view online. The second part deals with increasing and decreasing the power of the GBB pistol. That tip will help you meet game site requirements whilst the third part is which many of you would be interested in improving the accuracy. If you missed the first part, it was about magazines and springs.

Something for you to bookmark if you are planning to do upgrades on your gas blowback. TopHatRunner Airsoft now has part 1 of the Complete Guide to Upgrading Airsoft GBB online and this covers gas magazines and springs. This is a three-part video so there are two more videos to be produced.