inserting mag/slide goes forward?

This is a discussion on inserting mag/slide goes forward? within the Defensive Carry Guns forums, part of the Defensive Carry Discussions category; I have a s&w m&p .40 cal. full size and when the slide is locked to the rear and i slap a new mag. in ...

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Thread: inserting mag/slide goes forward?

  1. #1
    Member Array usmc0811's Avatar
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    inserting mag/slide goes forward?

    I have a s&w m&p .40 cal. full size and when the slide is locked to the rear and i slap a new mag. in the slide goes forward chambering a round with out me pushing the slide release or pulling back the slide and letting go. Is this normal and safe? does anyone else have this happen to them?

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  3. #2
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    Yup, its normal.
    "Just blame Sixto"

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    VIP Member Array HKinNY's Avatar
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    Happens with my glock all the time.

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    Senior Member Array JohnLeVick's Avatar
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    My best friend can tune a slide stop on a Glock such that it pretty much always drops the slide when a mag is slammed home. Speeds up reloads significantly. Good for you!

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    Member Array skystud1's Avatar
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    called a slam charge..

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    Member Array usmc0811's Avatar
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    sound good just wanted to make sure things were alright and nothing was broke. thanks for the reasurance.

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    VIP Member Array PAcanis's Avatar
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    Good thread. I didn't realize this. I had to go give it a try myself and sure enough.

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    VIP Member Array Guantes's Avatar
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    This can be beneficial and is caused by the force applied to the mag being injected and the weight of the full compliment of rounds in the mag. If you try the same thing with an empty mag or one only partially loaded, it will often not work.
    "I do what I do." Cpl 'coach' Bowden, "Southern Comfort".

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    Member Array brownsbacker's Avatar
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    I have a Bersa CC and it does the same thing with a loaded mag.

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    VIP Member Array ccw9mm's Avatar
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    Quote Originally Posted by usmc0811 View Post
    inserting mag/slide goes forward?
    I've had that occur now and then on a number of different pistols. If it were a normal design feature, one would think it'd occur each and every time. But then, what do I know.
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    VIP Member Array PAcanis's Avatar
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    There were 6 rnds in the mag when I tried it. I didn't want to load it fully. I did make a conscious effort to slap it home though. Working only some of the time, depending on how many bullets are in the mag, could be a bad thing.

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    VIP Member Array Guantes's Avatar
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    While it can be handy, one should be prepared in case it does not work. When I insert mags in my Berettas my thumb ends up at the slide release, prepared to press it should the inertia release not work.
    "I do what I do." Cpl 'coach' Bowden, "Southern Comfort".

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    I don't think it's a design feature. If it were, your owners manual would state so. My G30 does it sometimes, sometimes not. Could be the slide lock not fully engaging or a hard jar disengaging the lock. Shouldn't be an issue, but don't come to rely on it as a positive, consistant means of releasing the slide. Count on slingshoting or pressing the release. Glock says either way.
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    VIP Member Array Guantes's Avatar
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    I don't believe that it is a design feature, it is merely a spring loaded release overcome by the inertia of the mag entering the weapon.
    "I do what I do." Cpl 'coach' Bowden, "Southern Comfort".

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    los
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    Absolutely not "designed" to function in that manner. And absolutely not normal to do so.
    What we've got here is failure to communicate.

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