Sig P226 slide lock problem

FPembleton

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I just got a Sig P226 Elite that I shot for the first time today. It shoots great. The trigger reset is short, and my groups were tighter and as fast as shooting my 1911. I usually shoot a 1911, and I'm used to using a high grip with my thumb resting on the safety.

Now, when I use the same grip on the Sig (with my thumb resting on the slide lock) I find that the slide will not lock back on the last round. Strangely enough, when I use a lower grip with my thumb resting under the slide lock the slide locks back fine.

Has anyone else had this problem, and what should I do to fix this? The Sig is big in my hand, and perhaps it's bordering on being too big and that's why I may have this problem.
 
Very common on SIGs...thumb touches slide lock, slide doesnt lock back! Have a look on sigforum and there is a sticky on this!

Just lower your thumb abit so that it doesnt touch the slide lock and the problem will go away.
 
Yeah, I have the same problem whenever I shoot my Mosquito. The only thing you can do to get rid of the habit, I think, is get the habit of shooting the 1911 style right out of your head by practicing only with the sig using a grip where your shooting hand thumb sits atop your support hand thumb joint, but does not contact the pistol. Of course, going back to the 1911 style, your thumb won't ride atop the safety anymore, which could lead to accuracy issues for you on that pistol, especially if you unholster from a "safe" position and have to switch to "fire", as is the case in competitive shooting.

I personally don't like that about sigs.
 
Now, when I use the same grip on the Sig (with my thumb resting on the slide lock) I find that the slide will not lock back on the last round. Strangely enough, when I use a lower grip with my thumb resting under the slide lock the slide locks back fine.
How is this strange? Of course the slide is not going to lock back when you are depressing the slide stop lever. To solve the problem, keep your thumb away from the lever...
 
Funny thing, the same thing happened when I shot my brand new P226; during the first 50 rounds, the slide failed to stay in the locked position after the last round twice. After doing some research, it turns out that this is often the case for many new firearms. It's just simply part of the break-in process; for me, after 100 rounds, it has never happened again. The exact same thing happened on my brand new H&K, the slide failed to stay open upon emptying my second magazine, however, after that one time it has been flawless since.

Many shooters recommend (and I do too) that you disassemble brand new magazines, clean it, remove the preservative grease, and lightly oil it before shooting. This will help with the breaking in process.
 
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