Baer PII Slide locked up today - 1911Forum
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  #1  
Old 05-06-2018, 11:21 PM
1911SoCal 1911SoCal is offline
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Baer PII Slide locked up today

Took my PII Hillsdale to the range today, and the slide locked back after about 50 rounds. It did not lock back were it would after the last round of the mag was shot, but just before, and the empty case was still under extractor. Still had a few rounds in the mag. Could not move slide forward or backwards. Gun was clean prior to this range trip, and lubed. Had to hit the back of the slide with the palm of my hand a couple of times to get the slide forward. Then I move the slide back and forth, the smoothness it had before this event was gone. Felt like something was dragging. Did not shoot any more, took her home. Took her a part and found that burr was kicked up were the slide stop goes up into the notch of the slide. I took a stone to the burr and smoothed it down. Slide to frame smoothness back. Load I was shooting was 200Gr SWC, 5.2Gr Titegroup, 1.250 OAL. Not a max load, but on the warm side. Always use a shock buff too. This gun is not new, and has just under 4K rounds fired. Always maintained very well, lubed and kept clean. Wondering why, how this happened. Thoughts?

Last edited by 1911SoCal; 05-06-2018 at 11:25 PM.
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  #2  
Old 05-07-2018, 05:04 AM
drail drail is offline
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There may not be enough room for a buff in that gun. Pull the slide back as far as it will go and look at where the notch is in relation to the slide stop. Now pull the buff out and do that again. Is the notch moving back enough to go past the slide stop or just barely lining up with it?
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Old 05-07-2018, 05:26 PM
TRSOtto TRSOtto is offline
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Quote:
Originally Posted by drail View Post
There may not be enough room for a buff in that gun. Pull the slide back as far as it will go and look at where the notch is in relation to the slide stop. Now pull the buff out and do that again. Is the notch moving back enough to go past the slide stop or just barely lining up with it?
Agree.
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  #4  
Old 05-09-2018, 10:31 PM
1911SoCal 1911SoCal is offline
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With the shock buff in, the front of the slide stop barely goes past the front of the notch in the slide when pulled fully to the rear. With no shock buff in, the slide stop goes another .100, almost past the notch when pulled fully to the rear. The gun has had a shock buff in it since day one, and never had any issues. I think you guys nailed it, and i will run her without the shock buff. Thanks for teaching me, and lesson learned.
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  #5  
Old 05-10-2018, 07:31 AM
AlchemyCustom AlchemyCustom is online now
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When in doubt, throw the shok buff out.
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  #6  
Old 05-24-2018, 10:11 AM
7point62 7point62 is offline
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Originally Posted by AlchemyCustom View Post
When in doubt, throw the shok buff out.
Those things have caused more problems than they solve.
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  #7  
Old 05-24-2018, 02:29 PM
jeffbird jeffbird is offline
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Originally Posted by 1911SoCal View Post
Always use a shock buff too. ...Thoughts?
Get rid of the Shock Buffs. They add nothing with correct spring weights and only add potential to have bits break off and gum up the works.
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  #8  
Old 05-24-2018, 07:16 PM
TRSOtto TRSOtto is offline
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It's funny. Folks rag on Baers Commanche length guns and how they have .100" less slide travel, may not sling shot etc.... Then they'll go run a shock buff in a 5" gun and wonder why they have problems. Guess how thick a shock buff is.....

Duh......
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Old 05-25-2018, 04:03 AM
Magnumite Magnumite is online now
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If the buff is not battered and torn how will it effect the slide stop? It is in front of the recoil plate of the recoil spring guide rod.

The burr in the slide stop notch is from the slide stop lug nipping the notch before last round hold open. Look for bullet metal on slide stop hold open lug which engages the mag follower after the last round in a mag is fired. If there is bullet metal there, the bullets are bumping the slide stop during feeding. This is called bullet bump. That would cause premature slide lock and peening of slide stop notch in the slide.
Additionally, the bullet bump can push the slide stop out slightly when the disassembly notch slides past the retention lug on the slide stop. This ties the gun up hard. Rapping on the back of the slide could cause burrs. Simple check is to push the slide stop inward when this occurs. Then the slide stop hold open lug must be relieved slightly to eliminate this occurence.

A couple other things to check are clearance between bottom of the slide and the top of the slide stop lug with engages the slide stop notch. Also check the rear face of the slide stop is not angled back at the top causing inertial partial engagement of the slide stop.
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Last edited by Magnumite; 05-25-2018 at 04:13 AM.
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