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Discussion Starter · #1 ·
Hello! Been a while.

So, I got an M11A1 and ran 250 rounds through it flawlessly and accurately.

Before I did that, the gun would hang out of battery on press checks. For legit press checks it did it so I could press check just to press check, just to see if it's still doing it.

After the range trip and a nice cleaning along with lubing.. Same song.

Granted, it doesn't necessarily bother me. But my P229 Elite Dark, P226s, and P220s never did this. When I'd let go of the slide. It'd go home as it should.


I ended up buying a new recoil spring and it does the same thing.


What do you guys think? It functions fine but it does something weird that the others have never done. This is my first -1 SIG with the long extractor.

Should I rack the slide a thousand more times? Call SIG? Open to suggestions!
 

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Hi, Constantine!
Good to see you back.

Some guns are a bit tighter than others and may not go fully into battery when you do a press check. Many guns do indeed to back into battery in such a condition. However, semi-autos are designed to go into battery under the full force of the compressed spring. It isn't a problem as long as it functions properly while firing. If it does function properly when shooting, I can almost assure you that after it is broken in well, it will likely go into battery easily when released from a press check.
 

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Hmm that's weird.
I would say 250 rounds is still in a break in period, but that's still odd. I tend to grease the snot out of the wear surfaces on the slide (rails/barrel) for the first 1000 rounds and clean things really well in between first 2-3 trips to the range just to see how/if things are wearing.
Do you see any wearing on the front section of the barrel (or guide rod?)
You could just have some low end tolerances that causing a little bit of extra friction.
I'd feed it some more ammos and rack the slide a bunch and see if it doesn't resolve itself.
After that I'd give Sig a call.
 

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My first black MK25 did this and it was the (hope I'm saying the right part) trigger bar. The part that protrudes up. I'm not sure if it needed break in or what.
The picatinny rail was all messed up on that gun so they sent me a new one, so I never shot that particular MK25 to see if it just needed break in.
 

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Hi, Constantine!
Good to see you back.

Some guns are a bit tighter than others and may not go fully into battery when you do a press check. Many guns do indeed to back into battery in such a condition. However, semi-autos are designed to go into battery under the full force of the compressed spring. It isn't a problem as long as it functions properly while firing. If it does function properly when shooting, I can almost assure you that after it is broken in well, it will likely go into battery easily when released from a press check.
What he said. Pretty normal.
 

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When you pull the slide back just a bit, just enough to see in the chamber, to verify a round is loaded.
Oh! Then that explains why I didn't know. I never do that, load a mag, chamber a round, top mag off is my MO. I thought my OCD was bad. I can't wait to tell my wife! She thinks my OCD is bad too.
 
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