GTA

All Springer/NP/PCP Air Gun Discussion General => PCP/CO2/HPA Air Gun Gates "The Darkside" => Topic started by: Tommy on April 20, 2015, 07:20:15 PM

Title: Gen1.5
Post by: Tommy on April 20, 2015, 07:20:15 PM

I got one of Mikes Gen 1.5 ,.177,s
Are the tports the small hole in the brass part of the valve and the hole in bolt. I would like some more power and I thought I could drill out both holes.
Am I thinking right?
Tom

Title: Re: Gen1.5
Post by: OleTomCat on April 22, 2015, 06:16:46 PM

Ideally you do not want to go over 75% of bore size or you may have trouble with loading...