Quote Originally Posted by Barryg View Post
Interesting set up but 11.5 ft/lb would be to close for comfort for me with a 54 it wouldn't take much for it to go over and I was just wondering about the legality of controling the power with breech seals instead of the spring.
There's no legal issue with keeping the power down via the breech seal as opposed to the spring, but like you I would prefer a safer margin, considering that the range of power output just from using different pellets can be as much as 2 ft/lb.