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Ruger Mark2 bolt stick


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Hello. I have an older Mark 2 that has been sitting in the safe for years. I recently took it out with the intent to shoot some bullseye at a local club but was quickly reminded why it had not been used. The bolt, under manual operation, will stick to the rear and will also stick approximately 1/2 inch before closing fully into battery. I disassembled it and did a basic cleaning. The bolt runs freely inside the receiver prior to final assembly. The guide rod looked straight which I thought would be the culprit for binding if bent and after reassembly the problem still exists. Unless the guiderod is out of spec and I'm not seeing it I'm at a loss with the diagnosis. If anyone has any experienced information to offer it is appreciated, thank you.

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1 hour ago, Steve RA said:

Could be the recoil spring is too weak.

Thanks for the reply. Possible but not sure why it sticks only in rearmost and just before closing into battery. If not the guuderod not sure if anything with hammer is dragging on bolt .

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I would invest in a Volquartsen Guide Rod Assembly.  It comes with 3 springs and I'd try it with the spring that is installed and then use the heavy spring if the first one doesn't work.  It's about $20 if I remember correctly.  It helped my Mark pistols.

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6 hours ago, 38super said:

Does the hammer cock and release easily?  Either gummy pins or hammer spring.  After cleaning, try Brian's slide glide on the hammer face

I did have an odd/delayed reset couple of times. I did not fully disassemble the trigger components. I only disassembled to field strip and cleaned/oiled. 

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6 hours ago, AzShooter said:

I would invest in a Volquartsen Guide Rod Assembly.  It comes with 3 springs and I'd try it with the spring that is installed and then use the heavy spring if the first one doesn't work.  It's about $20 if I remember correctly.  It helped my Mark pistols.

Thanks. I found the above for $28.00. Is worth trying. I just picked up a Mark 1 bull barrel pistol used yesterday in vgc. I will swap the bolt and see if it operates smoothly. Just over $200 so I figured why not. No last round bolt hold open so I hope the firing pin is ok. (seems like an odd design for a rimfires fp well being)

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