Quote:
Originally Posted by Moonman
I too changed the mainspring in my 625 to a MR JERRY'S, man can that guy shoot a revolver.
I now use Federal primers only in that S&W JM625.
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AND, if I remember right, it says that on the package!
I bought a M625JM and it would NOT light off a CCI, Winchester or Wolf consistently. I took a spent primer, pulled the anvil, backed out the strain screw and put the cup side out, between the screw and spring and tightened it all back up. No problems now, none.
The problem here is as AA has stated, those primers were not seated like they should have been to start with. The first hit seated them but, they have to have the anvil captured and resting on the primer pocket or they will not go off. Pull them and remove all powder and such from them. Then, put them in your gun, point them in a safe direction and hit them again.
A primer going off is not safe to point at anything you do not want to injure so, remember, it can cause bodily injury so be safe.