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Old 01-09-2017, 11:33 PM
pgb205 pgb205 is offline
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Default Slingshot operation on MP2.0

Got the 2.0 but am trying to figure out how the slingshot method is supposed to work. Depressing the slide lock is difficult and I understand that SW in fact recommends the slingshot method. IE pulling the slide as far back and releasing, causing the slide to close.

For me this doesn't work on either inserted empty mag or no-mag. I'm not sure if my handgun is faulty or if it's just a correct operation, which would be disappointing as it's almost impossible to depress the slide-lock (yes, I've oiled it plenty).

Any suggestions or comments are welcome.
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Old 01-09-2017, 11:52 PM
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Here's what I've noticed on mine..
1. With the empty mag out, slide lock is easy to depress but slide will not lock open unless you manually press slide lock up while pulling back
2. With empty mag in, and slide pulled open, the mag follower makes it a bit hard to depress slide lock
3. Neither of the previous mentions allows slingshot operation
4. Mag fully loaded and in, sling shot operation works great

I've only shot a 100 rounds through mine so far and the issue I have is after the last round goes through, the slide doesn't always stay locked open? Someone told it still needs a bit longer to break in and then it shouldn't act up anymore. We shall see...
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Old 01-10-2017, 12:03 AM
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Can someone who has a new 2.0 manual photo copy and post the page that describes the operation of the new slide lock?
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Old 01-10-2017, 12:08 AM
pgb205 pgb205 is offline
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Originally Posted by CB3 View Post
Can someone who has a new 2.0 manual photo copy and post the page that describes the operation of the new slide lock?
I would gladly do this, if you tell me which page. I can't find it explicitly mentioned anywhere.
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Old 01-10-2017, 12:25 AM
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Quote:
Originally Posted by CB3 View Post
Can someone who has a new 2.0 manual photo copy and post the page that describes the operation of the new slide lock?
I could post a photo, but it only mentions the slide stop 4 times in the manual for Gun Inspection, Clearing Misfires, Unloading and field stripping. All 4 times it just says the same thing:

"Pull the slide fully to the rear, press upward on the slide stop while letting the slide move slightly forward thereby locking the slide open."

Other than that, for loading you pull the slide back and release it as stated in my earlier post
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Old 01-10-2017, 01:30 AM
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What I'm really looking for is a description of the function of the new little button on the left side in front of the slide stop.

I wonder if the manual has not yet been updated? Does it say 2.0 on the cover?
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Old 01-10-2017, 10:12 AM
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What I'm really looking for is a description of the function of the new little button on the left side in front of the slide stop.

I wonder if the manual has not yet been updated? Does it say 2.0 on the cover?
S&W customer service, told me it's not a button...it's part of the slide lock itself. and it reduces the ability for the slide to auto release. I assumed they meant it won't go into battery when a mag is slapped in. I swear it looks like a button to me too though.

No m2.0 manual on the S&W website yet...the M&P pistol manual that is there is copyright 2015
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Old 01-10-2017, 02:57 PM
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Default Slingshot operation on MP2.0

that's what I've read too..


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Old 01-10-2017, 03:53 PM
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What the OP describes is entirely normal operation.
No need to over think this.

Quote:
Originally Posted by Miglo View Post
Here's what I've noticed on mine..
1. With the empty mag out, slide lock is easy to depress but slide will not lock open unless you manually press slide lock up while pulling back
2. With empty mag in, and slide pulled open, the mag follower makes it a bit hard to depress slide lock
3. Neither of the previous mentions allows slingshot operation
4. Mag fully loaded and in, sling shot operation works great

I've only shot a 100 rounds through mine so far and the issue I have is after the last round goes through, the slide doesn't always stay locked open? Someone told it still needs a bit longer to break in and then it shouldn't act up anymore. We shall see...
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Old 01-10-2017, 04:56 PM
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Quote:
Originally Posted by pgb205 View Post
For me this doesn't work on either inserted empty mag or no-mag.
Empty mag for sure should not allow the slide to close by design and with no mag inserted it sounds like the new slide stop design is doing this.

I'll know for sure tonight when I pick up my M2.0 from the LGS.

Edit: Picked up my M2.0 5" FDE and no issues with slingshotting with no mag.

Last edited by Lima26; 01-10-2017 at 09:39 PM.
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Old 01-10-2017, 11:30 PM
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That little lever is a slide LOCK, not a release.
IMHO, using it as a release may aid in its premature wear.
It is some pretty soft and thin material.

If you think of the violence that happens when you fire a round, letting the slide slam into battery is perfectly fine

The part is not expensive, but a PITA to replace.

just tossing in my experience, and you are not obliged to take it
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Old 01-10-2017, 11:43 PM
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Originally Posted by TruckinThumper View Post
LMAO....sorry buddy....

It wont do it with the mag inserted...snort...

Drop the mag and manhandle the slide back....it is a gun, not a newborn
Just try not to rip the skin off your thumb
Pretty snarky for someone who didn't actually read the OP:
Quote:
Originally Posted by pgb205 View Post
Got the 2.0 but am trying to figure out how the slingshot method is supposed to work. Depressing the slide lock is difficult and I understand that SW in fact recommends the slingshot method. IE pulling the slide as far back and releasing, causing the slide to close.

For me this doesn't work on either inserted empty mag or no-mag.
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Old 01-11-2017, 12:39 AM
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1) It's a Slide LOCK, NOT A SLIDE RELEASE. Just because some Hollywood Moron does something in a movie it doesn't mean that is the proper way to handle a firearm. With many semi autos thumbing the Slide Lock to release the slide will cause enough wear over time to cause the Slide Lock to not function properly.

2) To slingshot a slide you pull it all the way to the rear and RELEASE the slide. This means you simply LET GO. As in OPEN YOUR HAND AND ALLOW IT TO SLAM FORWARD. Sort of the way you would use a SLINGSHOT. BTW, it's a handgun, not a Ming Vase, and allowing the slide to slam forward won't cause any real harm unless you make a habit of doing this 1000 times a day. Technically with some semi's dropping the slide on an empty chamber can increase the impact of the slide closing and possibly cause a small amount of wear on the recess that locks the barrel into the slide. Because of this it's advised to only drop the slide when you are actually loading a round into the chamber. However an occasional test to confirm function would likely take several hundreds of years before any excessive wear would be noticed.
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Old 01-11-2017, 01:33 AM
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Quote:
Originally Posted by Lima26 View Post
Empty mag for sure should not allow the slide to close by design and with no mag inserted it sounds like the new slide stop design is doing this.

I'll know for sure tonight when I pick up my M2.0 from the LGS.

Edit: Picked up my M2.0 5" FDE and no issues with slingshotting with no mag.
Just want to make sure I got this clear. That you are able to slingshot slide close with no-mag inserted.
For me this doesn't work no matter how much I tried. Pull back, let go, slide gets caught on the slide lock. I cleaned and lubricated several times, but still no luck.

One thing I noticed is that if (with no mag inserted) I slowly 'guide' the slide forward it closes up. But that doesn't sound like
the way it should work.
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Old 01-11-2017, 10:43 AM
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Originally Posted by pgb205 View Post
Just want to make sure I got this clear. That you are able to slingshot slide close with no-mag inserted.
For me this doesn't work no matter how much I tried. Pull back, let go, slide gets caught on the slide lock. I cleaned and lubricated several times, but still no luck.

One thing I noticed is that if (with no mag inserted) I slowly 'guide' the slide forward it closes up. But that doesn't sound like
the way it should work.
The slide locks default/rest position is down...pulled down by a spring. If there is an empty mag, the mag holds the slide lock up...or with no mag you hold the slide lock up manually. Other than that the slide lock is pulled down by the spring (without the spring, I would think by gravity) and the slide goes forward.

I can't see it working any other way, or your slide would lock back after every shot.
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Old 01-11-2017, 11:12 AM
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Quote:
Originally Posted by pgb205 View Post
Just want to make sure I got this clear. That you are able to slingshot slide close with no-mag inserted.
For me this doesn't work no matter how much I tried. Pull back, let go, slide gets caught on the slide lock. I cleaned and lubricated several times, but still no luck.

One thing I noticed is that if (with no mag inserted) I slowly 'guide' the slide forward it closes up. But that doesn't sound like
the way it should work.
Yes, I am able to slingshot the slide closed without a mag inserted. Not any different than any other pistol with a slide stop/release.
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Old 01-11-2017, 02:18 PM
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Originally Posted by Steved13 View Post
The slide locks default/rest position is down...pulled down by a spring. If there is an empty mag, the mag holds the slide lock up...or with no mag you hold the slide lock up manually. Other than that the slide lock is pulled down by the spring (without the spring, I would think by gravity) and the slide goes forward.

I can't see it working any other way, or your slide would lock back after every shot.
Actually, there is a leaf spring that holds the slide stop down.

Because of spring pressure in the mag, the mag follower rises after the last round is loaded, and a tab on the follower engages the slide stop, pushing it up and overcoming its spring.

Before firing, with the slide in battery and an empty mag in the gun, the slide stop is pressing up against the left bottom edge of the slide.

When the slide retracts, either by firing or manually pulling it back, the slide stop snaps up into the notch in the bottom of the slide and is held up by mag spring pressure. When the slide comes far enough forward under recoil spring pressure, the stop will engage the back of the notch. Now recoil spring pressure holds the slide against the stop.

If the empty mag stays in the gun, the spring pushing up on the slide stop plus the friction caused by the slide recoil spring makes the slide stop hard to press down with a finger.

Remove the mag and the mag spring pressure holding the stop up goes away. Then only the recoil spring pressure has to be overcome to drop the slide stop, but that can be a lot of friction.

With the slide locked back by the stop and the mag removed, if the slide is retracted by any manual method, the friction goes away, the slide stop spring pushes the stop down, and the slide should go forward into battery.

If you try to slingshot the slide to release it when an empty mag is in the gun, the follower is pushing up against the slide stop and it will not drop.

When a loaded mag is in the gun with the slide locked back, the mag follower is not pushing up against the slide stop. Manually retracting the slide will allow the stop to drop under its own spring pressure so the slide can go forward under recoil spring pressure.

With the slide locked back you could also use a finger (usually the thumb) to push the slide stop down when the mag well is empty or there is a loaded mag in there. This can still be difficult depending on how much friction there is between the stop and the slide. This friction can be reduced with some sandpaper.

That's what I understand to be the normal functioning of a slide stop. If the OP tries to manually release the slide lock (slingshot) without a mag in the gun and it won't go into battery, that's a problem. If it won't do it with a loaded mag, that's a problem.

Does the slide stop drop down properly and then the slide not go forward? That would be a slide/recoil spring/barrel problem. But if the slide stop is not dropping down when it should, then you have a slide stop problem.

Last edited by CB3; 01-11-2017 at 02:28 PM.
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Old 02-09-2017, 12:29 AM
pgb205 pgb205 is offline
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Quote:
Originally Posted by Shield9mm View Post
that's what I've read too..


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Received my MP 2.0 from Smith Wesson after 27 day wait.
Put about 125 rounds of budget ammo (Tula+Federal Aluminum). Not a single failure to feed/go into battery!!! On the very last round got slide close on empty mag. But I'll let this one slide (maybe I was riding the slide close). So as far as functionality I'm happy.

However, looking at the gun, specifically around the slide release I can see that frame appears all torn-up and damaged.
I'm not sure if that's how it was before I shipped the pistol to SW or if their gunsmith was careless while repairing.

I am attaching a close-up pic. If someone has MP 2.0 Can you check if your slide-release also looks like this and post your own pictures.

thanks.
Attached Images
File Type: jpg 20170208_212939.jpg (93.2 KB, 184 views)
File Type: jpg 20170207_221316.jpg (57.3 KB, 176 views)

Last edited by pgb205; 02-09-2017 at 12:52 AM. Reason: add one more picture
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Old 02-09-2017, 12:14 PM
NCW Ray NCW Ray is offline
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Quote:
Originally Posted by pgb205 View Post
Received my MP 2.0 from Smith Wesson after 27 day wait.
Put about 125 rounds of budget ammo (Tula+Federal Aluminum). Not a single failure to feed/go into battery!!! On the very last round got slide close on empty mag. But I'll let this one slide (maybe I was riding the slide close). So as far as functionality I'm happy.

However, looking at the gun, specifically around the slide release I can see that frame appears all torn-up and damaged.
I'm not sure if that's how it was before I shipped the pistol to SW or if their gunsmith was careless while repairing.

I am attaching a close-up pic. If someone has MP 2.0 Can you check if your slide-release also looks like this and post your own pictures.

thanks.
pgb205 here's a pic of mine of that area.

Last edited by NCW Ray; 02-10-2017 at 05:03 PM. Reason: Changed pic hosting location
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Old 02-09-2017, 02:57 PM
zork52 zork52 is offline
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Quote:
Originally Posted by Steved13 View Post
S&W customer service, told me it's not a button...it's part of the slide lock itself. and it reduces the ability for the slide to auto release. I assumed they meant it won't go into battery when a mag is slapped in. I swear it looks like a button to me too though.

No m2.0 manual on the S&W website yet...the M&P pistol manual that is there is copyright 2015
You are right. One of the youtube vids on the new 2.0's mentions this just as you described.
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Old 02-09-2017, 04:11 PM
pgb205 pgb205 is offline
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Quote:
Originally Posted by NCW Ray View Post
pgb205 here's a pic of mine of that area.

NCW, thank you so much for taking your time. Would it be possible to do at higher resolution as I can't see. From what I can see it looks just as jagged as what I have on my MP.


thanks again!
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Old 02-09-2017, 04:30 PM
NCW Ray NCW Ray is offline
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Originally Posted by pgb205 View Post
NCW, thank you so much for taking your time. Would it be possible to do at higher resolution as I can't see. From what I can see it looks just as jagged as what I have on my MP.


thanks again!
When I click on my pic it loads big enough to see it really well, it will be awhile before I can take and post some more.
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Old 02-09-2017, 04:41 PM
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I managed to open it in bigger size when I removed tn from your link

M2.0 Slide Stop_zpsoubcl9ns.jpg Photo by 98802 | Photobucket


Thanks again for your help.
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Old 02-25-2017, 04:41 AM
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Originally Posted by pgb205 View Post
Got the 2.0 but am trying to figure out how the slingshot method is supposed to work. Depressing the slide lock is difficult and I understand that SW in fact recommends the slingshot method. IE pulling the slide as far back and releasing, causing the slide to close.

For me this doesn't work on either inserted empty mag or no-mag. I'm not sure if my handgun is faulty or if it's just a correct operation, which would be disappointing as it's almost impossible to depress the slide-lock (yes, I've oiled it plenty).

Any suggestions or comments are welcome.
The only gun I have a problem with depressing the slide-lock on is my Shield 45. Definitely have to slingshot the Shield slide. The M2.0 slide lock depresses easily and drops the slide, or I can also slingshot the slide.
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Old 02-25-2017, 12:09 PM
Walt Sherrill Walt Sherrill is offline
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Quote:
Originally Posted by TruckinThumper
That little lever is a slide LOCK, not a release.
IMHO, using it as a release may aid in its premature wear.
It is some pretty soft and thin material.
Actually, its both a LOCK and a RELEASE. When it locks the slide back after the last round, it serves one purpose. When you push that little lever DOWN to let the slide slam forward, it becomes a RELEASE!

Different gun makers call that little lever different things, but a single name doesn't properly describe it's dual function. (Interestingly enough, H&K in the manual for the Model 23, calls the lever a "slide release." But what do they know? Beretta calls it a "slide catch," and recommends pressing it to close the slide and chamber the first round of a new mag. (page 14 of the Beretta 92 series manual.)

Some gun makers offer EXTENDED SLIDE LOCKS or EXTENDED SLIDE RELEASES. Why would they offers an EXTENDED anything, if it was only meant to be used as a SLIDE STOP and you are supposed to ONLY use the slingshot method to release the slide?

If you shoot in any of the gun-game venues you won't see many folks use the slingshot release method. You'll see the slide "stop" pressed, or the hand-over method used -- especially by those shooting S&W semi-autos.
Do a quick Google search on "Extended Slide Release and see how many HITS you get. Wilson Combat (for 1911s) and after-market vendors for Glock weapons offer all sorts of Extended Slide Releases. You'll even find after-market parts for the S&W Shield. I've also had extended releases installed on Tanfoglio-made CZ pattern guns, and they worked in my CZs, too. Handy things. The Glock 34 comes with an extended slide stop lever as standard equipment -- but, as I asked above, why is it extended if the sling-shot release is the best release method?

SIG, like Beretta, calls their lever a "slide catch" on most of their P-series guns. For the P226 X-5, when unloading, on page 8, it tells you to "actuate slide catch lever. The slide... flys forward." They don't say press on the slide catch and use the slingshot method.
As to your other point about premature wear: can you cite some examples of guns that have become disabled or badly worn by using the slide lock to release the slide? I've seen slide stop broken, but never worn out -- and only in certain types of guns, at that.

I would note, too, that last I heard (as conveyed to me by a civilian trainer who works with Special Ops troops at Fort Bragg), the DoD now trains troops to use the slide "lock/release" to release the slide. Why? Because troops were having so many failures to go into battery under combat conditions when the "slingshot" method was used. (A lot of the troops had to wear gloves because of the cold temperatures or rocky environments, and the gloves made clean releases more difficult.) The DoD apparently thought the change was appropriate for all environments. Then, too, the alternative "hand-over" method used by many shooters doesn't always work with the Beretta, as some larger hands will decock that weapon when that method is used.

Last edited by Walt Sherrill; 02-25-2017 at 09:40 PM.
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Old 02-25-2017, 12:24 PM
gonerydin gonerydin is offline
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Quote:
Originally Posted by Walt Sherrill View Post
Actually, its both a LOCK and a RELEASE. When it locks the slide back after the last round, it serves one purpose. When you push that little lever DOWN to let the slide slam forward, it becomes a RELEASE!

Different gun makers call that little lever different things, but a single name doesn't properly describe it's dual function. (Interestingly enough, H&K in the manual for the Model 23, call the lever a "slide release." But what do they know? Beretta calls it a "slide catch," and recommends pressing it to close the slide and chamber the first round of a new mag. (page 14 of the Beretta 92 series manual.)

Some gun makers offer EXTENDED SLIDE LOCKS or EXTENDED SLIDE RELEASES. Why would they offers an EXTENDED anything, if it was only meant to be used as a SLIDE STOP and you are supposed to ONLY use the slingshot method to release the slide?

If you shoot in any of the gun-game venues you won't see many folks use the slingshot release method. You'll see the slide "stop" pressed, or the hand-over method used -- especially by those shooting S&W semi-autos.
Do a quick Google search on "Extended Slide Release and see how many HITS you get. Wilson Combat (for 1911s) and after-market provides for Glock offers all sorts of Extended Slide Releases. I've also had extended releases installed on Tanfoglio-made CZ pattern guns, and they worked in my CZs, too. Handy things. The Glock 34 comes with an extended slide stop lever as standard equipment -- but, as I asked above, why is it extended if the sling-shot release is the best release method?

SIG, like Beretta, calls their lever a "slide catch" on most of their P-series guns. For the P226 X-5, when unloading, on page 8, it tells you to "actuate slide catch lever. The slide... flys forward." They don't say press up on the slide catch and use the slingshot method.
As to your other point about premature wear: can you cite some examples of guns that have become disabled or badly worn by using the slide lock to release the slide? I've seen slide stop broken, but never worn out -- and only in certain types of guns, at that.

I would note, too, that last I heard (as conveyed to me by a civilian trainer who works with Special Ops troops at Fort Bragg), the DoD now trains troops to use the slide "lock/release" to release the slide. Why? Because troops were having so many failures to go into battery under combat conditions when the "slingshot" method was used. (A lot of the troops had to wear gloves because of the cold temperatures or rocky environments, and the gloves made clean releases more difficult.) The DoD apparently thought the change was appropriate for all environments. Then, too, the alternative "hand-over" method used by many shooters doesn't always work with the Beretta, as some larger hands will decock that weapon when that method is used.


Sincere thanks for the wisdom Walt.


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