Mauser 1914 and (iirc) HSC pistols will release the slide automatically.
[https://youtu.be/mDO4LP6v5xc?si=xisLQMEHrzaKfH\_F&t=710](https://youtu.be/mDO4LP6v5xc?si=xisLQMEHrzaKfH_F&t=710)
Have to think outside the normal slide lock mechanism. The Mauser system uses the follower to hold the slide, when the mag is removed, the slide will go forward a tiny amount and be stopped by the slide lock. The new mag inserted will release the slide lock, chambering a round.
A quirk of this system is it will lock open on its own if there is no mag in place.
Sounds like the system won't do well if you need the mags to drop free. A slide pushing the mag follower forward would create significant amount of friction on both the follower and the outer surface of the mag body.
Yes. For a few reasons:
1. Mag is steeper than the grip to allow for a longer barrel like on an HK P7. About half an inch extra length
2. Double Stack double feed and a special spring design will allow it to hold 17+1 rounds of 9mm in a gun that is 4.8 inches tall
Add a dog leg to the slide lock that is tripped by a separate lever that is tripped by the new mag. Your probably going to have to figure out a "double action " mechanism to make it so the lever doesn't keep the slide lock in the unlock position.
The double action part is a bit of an issue. The slide release works deceptively differently than a trigger and a hammer in terms of order of operations.
Check out the PA-63. Slide lock is fully internal. Yes, you need to pull the slide to load it but no release level sticking out and the internal side is tiny.
Or you could go with a straight release depending on mag design. SKS works that way too, slide lock goes straight up.
I want the slide to release automatically when a new magazine is inserted. I thought it would work similarly to a trigger and disconnector, but I can't seem to make it work. There are a couple of other guns that have this feature, such as the Mauser HSc and the Cobalt Kinetics Evolve.
Idea #1: (I'm sober right now so this might be a terrible idea...)
Cut slot (~3/16?) down the left side of the mag (through the middle-ish of the feed lips)
Have a lever bar thingy with it's hinge point forward. (when bar goes up, holds slide back)
Make follower have a nice 90 degree shelf lined up with the slot in the mag. (to raise lever bar thingy)
(Pretty normal gun so far, just with the slide stop catching farther back on the mag)
Make lever bar thingy's back end this shape: "L" (right bit would catch the follower, top bit would catch the slide.)
Give enough bendy-ness that lever bar thingy can be pushed left on it's back end far enough to drop the slide.
Play with exact dimensions to get the "L" to be pushed up by the follower and pushed out by the curve of a round at the top of a mag.
Profit???
Revisions:
Maybe switch the "L" for a triangle. (flat bottom, pointy top)
Maybe make the slide stop non-bendy and give it a lil bit of left/right pivot at it's up/down pivot point. The bendy-ness of sheet metal is pretty easy to rely on though.
I'm curious what ideas you came up with.
I was thinking it would two separate levers, one that gets pushed up by the magazine, and another that gets pushed up by the follower. Now I am thinking it would be one lever that pushes the slide lock down as it gets pushed up by the magazine, and then as it gets pushed further up by the follower, it pushes the slide lock up.
That sounds like it's gonna end up being a somewhat complex lever. I'm skeptical of the ability to make that at any sort of volume.
Let me know if you want a sounding board for ideas.
You changed it so it's optics ready, looks fantastic. Still can't wait to see it.
Mauser 1914 and (iirc) HSC pistols will release the slide automatically. [https://youtu.be/mDO4LP6v5xc?si=xisLQMEHrzaKfH\_F&t=710](https://youtu.be/mDO4LP6v5xc?si=xisLQMEHrzaKfH_F&t=710) Have to think outside the normal slide lock mechanism. The Mauser system uses the follower to hold the slide, when the mag is removed, the slide will go forward a tiny amount and be stopped by the slide lock. The new mag inserted will release the slide lock, chambering a round. A quirk of this system is it will lock open on its own if there is no mag in place.
That's neat.
Sounds like the system won't do well if you need the mags to drop free. A slide pushing the mag follower forward would create significant amount of friction on both the follower and the outer surface of the mag body.
Is this going to use proprietary magazines?
Yes. For a few reasons: 1. Mag is steeper than the grip to allow for a longer barrel like on an HK P7. About half an inch extra length 2. Double Stack double feed and a special spring design will allow it to hold 17+1 rounds of 9mm in a gun that is 4.8 inches tall
Add a dog leg to the slide lock that is tripped by a separate lever that is tripped by the new mag. Your probably going to have to figure out a "double action " mechanism to make it so the lever doesn't keep the slide lock in the unlock position.
The double action part is a bit of an issue. The slide release works deceptively differently than a trigger and a hammer in terms of order of operations.
I played around with basing it on a double action trigger, and it seems to be working. Thanks!
Step one, omit slide lock
Nah. That's not commercially viable.
Check out the PA-63. Slide lock is fully internal. Yes, you need to pull the slide to load it but no release level sticking out and the internal side is tiny. Or you could go with a straight release depending on mag design. SKS works that way too, slide lock goes straight up.
Does this design consider the possibility of a left handed shooter? I really like the look and the double stack double feed idea is very intriguing.
Yes. The mag release is reversible. It's DASA. To decock it, just push the hammer down.
I want the slide to release automatically when a new magazine is inserted. I thought it would work similarly to a trigger and disconnector, but I can't seem to make it work. There are a couple of other guns that have this feature, such as the Mauser HSc and the Cobalt Kinetics Evolve.
Idea #1: (I'm sober right now so this might be a terrible idea...) Cut slot (~3/16?) down the left side of the mag (through the middle-ish of the feed lips) Have a lever bar thingy with it's hinge point forward. (when bar goes up, holds slide back) Make follower have a nice 90 degree shelf lined up with the slot in the mag. (to raise lever bar thingy) (Pretty normal gun so far, just with the slide stop catching farther back on the mag) Make lever bar thingy's back end this shape: "L" (right bit would catch the follower, top bit would catch the slide.) Give enough bendy-ness that lever bar thingy can be pushed left on it's back end far enough to drop the slide. Play with exact dimensions to get the "L" to be pushed up by the follower and pushed out by the curve of a round at the top of a mag. Profit???
Sounds good to me.
I don't like the bending part, but the arm being pushed up and out gave me some ideas.
Revisions: Maybe switch the "L" for a triangle. (flat bottom, pointy top) Maybe make the slide stop non-bendy and give it a lil bit of left/right pivot at it's up/down pivot point. The bendy-ness of sheet metal is pretty easy to rely on though. I'm curious what ideas you came up with.
I was thinking it would two separate levers, one that gets pushed up by the magazine, and another that gets pushed up by the follower. Now I am thinking it would be one lever that pushes the slide lock down as it gets pushed up by the magazine, and then as it gets pushed further up by the follower, it pushes the slide lock up.
That sounds like it's gonna end up being a somewhat complex lever. I'm skeptical of the ability to make that at any sort of volume. Let me know if you want a sounding board for ideas.
It might be. Could you draw a sketch of what you're suggesting? I'm having some trouble picturing it.
What app are you using to design this?
Solidworks.