Double rifles need to be free to move, if you anchor them down or try to shoot them off of a fixed rest the regulation will be off. It's all about the position the muzzles are in when the projectile leaves the muzzle.

Started putting the first load development shots through it tonight.

http://stolzergunsmithing.wordpress.com/...ad-development/

http://stolzergunsmithing.wordpress.com/

lots more shooting to do but it's a start anyways.

Colin