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Discussion Starter #1
My model 625 fails 6 to 0 in double action and fails 1 in 6 in single action. Any ideas on what may be the problem? I shoot only factory ammo through it, Winchester 230 grain jacketed ball and JHP. Both ammo types suffer from the above rates of misfire.

Any thoughts will be appreciated. Thanks in advance.
 

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That'd be my guess also. Tighten it up a turn or two and see what happens.
 

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1) Is the gun new or used and has it done this since you've had it, or did the failures to fire just begin recently.

2) Are you using half or full moon clips? Without the moon clips it's common for some versions of the 625's to misfire.

3) As already stated, check the strain screw for the mainspring and tighten it fully.

4) Check your firing pin, either hammer mounted or frame mounted, to make sure it is not broken, chipped, or too short to reach the primer.

5) Replace the mainspring if an inspection proves it has been bent or altered.

Roe
 

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I bought a 629 one time and it was exactly the same and I turned the strain screw in 1/2 turn until it fired every time and it has never fail since.
 

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Discussion Starter #6
Hey fellas, thanks for the replies. I bought it used back in '04. I've probably put 4 boxes through it and it just started the misfiring Saturday. I do use the full moon clips. The firing pin is on the hammer, so during the week here I'll make that strain screw adjustment, clean, inspect, and see what unfolds. I may not get to shoot for the results till next weekend. So, I'll post the results then. Thank you for the pointers!

Truly,
Ken
 
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