Internal Hammer Fired EZ, not supposed to dry fire w/slide off?

SWShotDrink · Nov 1, 2022

The EZ series manual says "WARNING: Do not dry fire your M&P SHIELD EZ pistol while the slide is removed. Doing so can result in damage to the hammer or other internal parts. "

Any insight as to why they say this? What gets broken?
It's a hammer design like other SA/DA, pull hammer down, get SA.

Also able to watch the mechanisms for any issues with the hammer, trigger assembly, springs, grip safety etc.
Not understanding why this is an issue...

pistolpete10 · Nov 1, 2022

I'd suggest you NOT dry fire any single action auto with the slide off. You'll damage something. On a 1911 it's the frame, I haven't paid attn. to the EZ but it ain't good to dry fire without the slide on it.

Bullet Bob · Nov 1, 2022

First, it's single action only. Why you'd want to dry fire it with the slide off is a mystery, but the hammer is meant to be stopped by the firing pin and it's metal surroundings in the slide; stopping it instead with the parts inside the frame with the slide off can cause all sorts of issues, all of them bad.

Gien that there have been approximately eight gazillion varieties of single-action autos out there in over a hundred years, surely there's one where it may be okay to do that, but I can't readily think of one. Colt 1911's, S&W 39's, etc.; all advise against releasing the hammer at full force with the slide off.

SWShotDrink · Nov 1, 2022

Thank you. That helps. I don't normally press trigger with slide off, but I've been trying to figure out why the trigger hasn't always been going "click" and resetting on each press, when dry firing or shooting. Trigger is inconsistent and it's brand new. Was looking at the mechanism and trigger bar with slide off, reading manual, notice the dry fire warning. And I know it is not a grip issue. Put hair bands around grip safety to fully depress, and trigger still does not go click each time...

Bullet Bob · Nov 2, 2022

It can be tough for both parties to understand what the other means on typed posts.

When you say the trigger doesn't reset when shooting: Let's say you fire a round, and then let off the trigger. When you pull the trigger again does the gun fire?

SWShotDrink · Nov 2, 2022

No it does not fire. Not consistently. Sometimes it does, sometimes it doesn't. Dry fire or live fire.

Bullet Bob said:
It can be tough for both parties to understand what the other means on typed posts.

When you say the trigger doesn't reset when shooting: Let's say you fire a round, and then let off the trigger. When you pull the trigger again does the gun fire?

Internal Hammer Fired EZ, not supposed to dry fire w/slide off?

SWShotDrink

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