If you're considering a borescope have a look at this one https://tinyurl.com/yycce56m
Type: Posts; User: zimmer
If you're considering a borescope have a look at this one https://tinyurl.com/yycce56m
All my F Class barrels are usually on song after 1 shot. Confirmed by LabRadar and on the target. And if I am clever I aim off with elevation with my first sighter and can usually nail it. My only...