Regarding the lapping; can I use hand lapping in place of fire lapping? It would be more practical for me at this point as I could do it at home without going to the range. And as a friend mentioned in an above post, I could concentrate on the main tight spots first.

Thankyou Nate and hightime. Yes my bore is mirror clean, and I have brushed to check for any leading etc. What I will do, is carry out the slugging technique as prescribed by you Mr Nate and as you said, fire lap. Whilst this is a little frustrating, I do enjoy working on my guns! Kinda exciting at ...

Just a quick addition, would reaming the chamber help? I figured if the chamber/throat is sizing the projectiles down, maybe opening it up would help. I theorised that it would prevent the sizing down and get good seal etc...

Thankyou fellas. I truly appreciate the help and general kindness I receive here, it is second to none. Earl, I will look into fire lapping as a first step, I like the sound of that. Nate, the load may be a bit light I guess, but even when I have used heavier loads, things did not improve. My concer...

Hey guys, long time no see. So a while back i posted about my Rossi 92 in .45 Colt. I was having bore diameter issues, trouble finding the right projectile, unburnt powder etc. So I finally got around to getting some calipers so as I could measure the balls when I slug my bore. I slugged her, with r...

Thanks guys! The best advice anyone has given me! I suspect I will need to try .454 projectiles.

I appreciate the help, and look forward to learning here

Howdy friends. My name is Mark (theozzman) and I'm from Australia, downunder. I am a western action shooter, collector of all guns, and am planning on getting into long range centrefire and IPSC. I have an issue/question about my beautiful, smooth, reliable functioning Rossi M92 in .45 colt. I use i...