I have always gone by the 150% rule. it says 90 may, so id say take it to 135 MAX

Going to be a bbmg, i did some different stuff with it, ill get updated pics up later. I got a new barrel using copper tubing inside 1/2 pvc with caps, looks better now.

I just came across this site yesterday and saw some really cool stuff. i made an airsoft soda bottle MG today it it worked great. My next project will be shooting .177 bbs. I got out my pellet gun that i got at a tool sale for 20 bucks and cut the barrel off. I am going to use the stock also. If thi...