My EMF 92 in .357 shoots mediocre groups with every load I've tried, and that is a bunch!
I slugged the barrel today. There is a constriction where the rear sight dove-tail is. The slug measured .350 and .355. (lands & grooves)
Any suggestions?
Clyde
EMF 92 problem
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- Advanced Levergunner
- Posts: 6972
- Joined: Tue Apr 03, 2007 8:52 pm
- Location: Ridgefield WA. USA
If new,send it back. If used and no warranty, I would lap it. Some folks fire lap but I hand lap if it is needed. A little harder to do but you have much better control of the results.
I cast a lap on a rod and use progressively finer laping compounds (available from Midway/Brownells) until constriction is gone. You may have to cast 2-3 laps as they loosen up in the bore. By laping from the breech end you can stay away from the muzzle and lap in a choke that will improve accuracy .
I cast a lap on a rod and use progressively finer laping compounds (available from Midway/Brownells) until constriction is gone. You may have to cast 2-3 laps as they loosen up in the bore. By laping from the breech end you can stay away from the muzzle and lap in a choke that will improve accuracy .

If it's new, send it back for repair.
If it's not, lap it. I would fire lap and hand lap.
http://yarchive.net/gun/barrel/lapping.html
http://findarticles.com/p/articles/mi_m ... i_76558930
If it's not, lap it. I would fire lap and hand lap.
http://yarchive.net/gun/barrel/lapping.html
http://findarticles.com/p/articles/mi_m ... i_76558930
Kind regards,
Tycer
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Tycer
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