Some airsoft retailers add value to the products they are selling by pre-uprading them, convenient to some customs who prefer to upgrading their airsoft guns before using them. In this video BadaBingPictures show the Umarex/SFC Airsoft HK MP7A1 GBB... "SFC Airsoft sent me this KSC MP7A1 GBB SMG to review. They sell pre-upgraded airsoft guns, so all you have to do is load them and shoot!"

BadaBing Pictures show a fix for the 3-round burst issue of the MP5 GBB (Apache) from WE Airsoft... "The WE Apache’s (MP5) are known for having a flaw with the 3rd burst mode. Sometimes it develops 4rd burst, and Part No. 50 is usually the culprit. Here is a guide that I put together to fix this problem."

BadaBing Pictures have this video showing you how you can achieve a good gun metal finish on your airsoft gun, including those with plastic material... "Here is a cool technique to apply a realistic gun metal finish to Airsoft guns, without the need of wire wool or any other harsh treatment.

This even puts a metallic sheen on plastic."