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AR15.COM
9/17/2009 3:27:36 PM EDT
Hi All,

I have a 4" Redhawk, which has just recently developed an issue.  Occassionaly, it will lock up when after I close the cylinder with fresh rounds.  This does occur even without ammo in the gun, so it's not related to a high primer or anything regarding ammo.  When it locks up, I'm unable to cock the hammer SA, or fire the gun using DA action.  I need to open cylinder and then it will probably cure itself (but not always).

I've had it for about 6 months now and fired about 500 rounds through it.  I just had it apart, but didn't see anything obvious causing the problem.  Still doing the same thing after reassembly.

Any thoughts as to what's causing this?

Thanks in advance!
9/18/2009 4:09:17 AM EDT
[#1]
I'd be taking a close look at the hand/pawl springs, it sounds like one may be fractured and binding the pawl in place.
9/21/2009 8:22:00 PM EDT
[#2]
Or the pawl itself has a burr that is causing it to hang up when it catches just right.
9/22/2009 9:50:20 AM EDT
[#3]
A flake of unburned powder can work its way into a spring and bind it up.

Tear it down and clean it really good.

Happened to me years ago with a Security Six.

One of the springs in the trigger guard assembly had a flake of unburned powder caught in the spring.

The cure is to only eject spent cases with the muzzle pointed straight up.

Don't give flakes of powder a chance to fall into gun.