Slide lock back

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Permalink Reply by Harry Truman on January 29, 2012 at 9:45pm

Don't know why everyone is making this so hard.  Just incorporate a miniature speaker to play a digitally recorded female voice saying loud and clear "This gun is now empty.  You must reload to keep firing".  Problem solved.

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Permalink Reply by PTrinh on January 29, 2012 at 11:51pm

OK, I didn't know how hard it would be to spot the round on the breach face.  Regarding capacity, what I meant was that it would reduce your "continuous" firing capacity.  You fire off 7 rounds and then have to pause and hit the slide release to fire the 8th one, effectively reducing the cap by 1.  Bad design IMHO.

BretShooter said:

When you examined that the chamber was empty, it would be hard to miss the round stuck to the breech face.

It would not reduce the capacity.  The remaining round will be on the breech face, ready for the user to drop the slide and fire it.  If you changed magazines, you would be ready to fire again.

I do not see the need for this feature in a tiny gun.  In a service sized pistol, sure.

PTrinh said:

Plus, it would be potentially dangerous.  Fire weapon. Slide locks back, examine that chamber is empty.  Eject magazine.  Magazine is empty.  Release slide - weapon is now READY to fire despite conventional thinking that weapon is empty.

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Permalink Reply by BretShooter on January 29, 2012 at 11:52pm

It has to be bluetooth, or the bad guys will hear it!

Harry Truman said:

Don't know why everyone is making this so hard.  Just incorporate a miniature speaker to play a digitally recorded female voice saying loud and clear "This gun is now empty.  You must reload to keep firing".  Problem solved.

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Permalink Reply by Brokedoc on January 30, 2012 at 1:50am

The clear benefit to slide lockback is for those that live in the sorry states that require slide lockback on guns sold in that state. I think California and maybe 1 or 2 more.

 

Otherwise, I think there will be a definite preference involved. 

 

Personally, I don't think that lockback prior to the 8th round chambering would be a high probability drawback in a self defense scenario.  I recall somewhere that most threats are resolved within 3 shots?  I figure in self defense, if you need to use all 8 rounds, you will probably also have the need to go to a second magazine in a speedy manner.

 

I do know that having a lockback is something I will use a lot at the range and will make my range time more enjoyable and less interrupted.  I may be the only one but I lose track of how many rounds I go through and almost always pull the trigger and get a click instead of a bang.  Maybe It's just because I'm conditioned to think click is bad and now I have to figure out if I have a FTF...

 

The flag system may work well for the range but I doubt that I would pay much attention to a flag when a threat needs to be neutralized.

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Permalink Reply by Harry Truman on January 30, 2012 at 7:07am

Wow, I had never heard this about CA.  What is the rationale?  My impressions of this state get worse by the day.

Brokedoc said:

The clear benefit to slide lockback is for those that live in the sorry states that require slide lockback on guns sold in that state.

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Permalink Reply by Harry Truman on January 30, 2012 at 7:10am

Bret, LOL on the bluetooth!  Another idea is to incorporate "Onstar Boberg", where a live representative will instantly contact you when their system registers that you've fired all eight rounds.

BretShooter said:

It has to be bluetooth, or the bad guys will hear it!

Harry Truman said:

Don't know why everyone is making this so hard.  Just incorporate a miniature speaker to play a digitally recorded female voice saying loud and clear "This gun is now empty.  You must reload to keep firing".  Problem solved.

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Permalink Reply by Ed on January 30, 2012 at 7:21am

Massachusetts may also have the slide lockback requirement for initial sales from your local, friendly, FFL dealer.

A LED emitter and light detecting sensor sensor array on each side of the magazine well aligned with the magazine's witness holes coupled with a display or a Bluetooth communications setup could emit a tone to an earpiece to warn the user of magazine loading status.

I suspect the the first and subsequent "BANG!!!" and muzzle flash would drown all that out.

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Permalink Reply by BretShooter on January 30, 2012 at 10:01am

Brilliant!  Immediately after firing, the round count is announced in the earpiece, with a "reload now" instead of "one".

"Onstar Boberg" should only come into play if there is a failure to fire, or something else that the user is unable (or unaware of due to the male aversion to reading manuals) to resolve.

As for Cali and other leftist regimes, that will be a problem.  iirc, the rationale is that the user can see that the gun is empty.  So a lockback on last round vs empty would not suffice in their rose glasses wearing eyes.  Likewise, a flag on last round chambered definitely won't cut it.  I wonder why revolvers don't have a cylinder pop open on empty mandate?  That omission (which I would guess is due to it not being a feature on ANY revolver, could serve as a reason for exemption for the XR9S.  If it is a necessary safety feature that a hand held firearm must show that it is empty, then revolvers are currently unsafe and should be excluded from their "roster".  An expensive legal battle, for sure.

Ed said:

A LED emitter and light detecting sensor sensor array on each side of the magazine well aligned with the magazine's witness holes coupled with a display or a Bluetooth communications setup could emit a tone to an earpiece to warn the user of magazine loading status.

I suspect the the first and subsequent "BANG!!!" and muzzle flash would drown all that out.

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Permalink Reply by Jesse W. Pomeroy on January 30, 2012 at 10:53am

FWIW:

Please just send me my XR9-S as it comes right NOW.  No last round slide lock, front sights (and dots) falling off, even with a "hard to pull the slide back" deal, and in 9MM please..

AFTER I get my standard XR9-S THEN I'll start worrying about the other "details"..  LOL.      Jesse

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Permalink Reply by Ed on January 30, 2012 at 10:55am

Another possible feature is to mount a Piezo device to cause a small vibration felt by the hand when one round is left as a warning and then a stronger vibration when the weapon is empty. Even a blind man could operate it! You could couple it with thermal sensing and short range radar like that used in Polaroid cameras for target detection in the dark. Target lock could cause a growling tone like a Sidewinder air-to-air missile system.

The reverse Peizo effect could be used to convert the mechanical energy of the recoil to recharge the battery.

Or the users could have have their own Barney Fife moment where just having the weapon in their hands causes their whole body to shake.

Oop! None of this is making it to my dated and daily signed lab notebook!

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Permalink Reply by Harry Truman on January 30, 2012 at 11:00am

Ha ha, good one.  And remember, Onstar Boberg can also call for backup and locate your weapon if it is lost or stolen!

BretShooter said:

Brilliant! "Onstar Boberg" should only come into play if there is a failure to fire, or something else that the user is unable (or unaware of due to the male aversion to reading manuals) to resolve.

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Permalink Reply by Harry Truman on January 30, 2012 at 11:02am

Jesse, you've got it right, of course.  This gun, just as it it, is a masterpiece!

Jesse W. Pomeroy said:

FWIW:

Please just send me my XR9-S as it comes right NOW.  No last round slide lock, front sights (and dots) falling off, even with a "hard to pull the slide back" deal, and in 9MM please..

AFTER I get my standard XR9-S THEN I'll start worrying about the other "details"..  LOL.      Jesse

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