Swiss Arms-AR Magazine Adapter

Anyone try the Alberta Rifle AT15 mags yet with this adapter yet?
I'm wondering if the 'spine' on the ATRS mags have enough material for the notch that needs to be cut. The Pmag spine seems slightly thicker so this is not an issue.

They should be fine to modify. Even if you accidentally partially cut through the spine, and you stop there, it shouldn't affect function.

Again, anywhere around 1-1.5mm depth is fine. Any less will work but probably not as well. Any deeper than about 2mm is a waste, as the latch itself has a limited rotation.
 
Got mine a couple days ago and tried it out yesterday. Ran 100 rounds through a Gen 2 30 round Pmag, and a Gen 3 20 round Pmag. No issues whatsoever. Fed fine, ejected fine, last round hold open worked fine. The only thing I noticed was the 30 round mag was looser fitting for some reason. When doing the push/tug to ensure it was locked, I am able to pull it out. ( not easily though I might add )The 20 round mag is solid. I shot off the mags, held them while standing, shot while holding the rifle at different angles, and had a great time!
I have a PCV mag to try, as well as a few other kinds.
Thanks for letting me try this out!
 
Got mine a couple days ago and tried it out yesterday. Ran 100 rounds through a Gen 2 30 round Pmag, and a Gen 3 20 round Pmag. No issues whatsoever. Fed fine, ejected fine, last round hold open worked fine. The only thing I noticed was the 30 round mag was looser fitting for some reason. When doing the push/tug to ensure it was locked, I am able to pull it out. ( not easily though I might add )The 20 round mag is solid. I shot off the mags, held them while standing, shot while holding the rifle at different angles, and had a great time!
I have a PCV mag to try, as well as a few other kinds.
Thanks for letting me try this out!

Hmm that's odd. Maybe the notch in your gen 2 isn't deep enough, or isn't square to the back of the magazine.

Based on the mags I've tested, the Gen 3 PMAGs tend to fit the best, due to the slight hump they added above the mag catch notch.

Also if you've completed your initial testing, please send me your answers to the questions I gave you in my initial email (via email or PM). Thanks
 
Okay, so these will be available tomorrow. I made a few modifications to make them easier to install/remove and added a depth gauge to the magazine modification guide to make it easier to tell if you've filed a deep enough notch.

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Will this work with steel magazines as well?

When are you looking to open up sales of this item?

Steel will work, but will be unfriendly to the finish on the inside of your receiver. I don't recommend using them.

They'll be available tomorrow. Just have to take a few photos, etc.
 
What is the expected useful life of the adapter and what type of material is used in its manufacturing? Just wondering how susceptible it will be to cleaning chemicals, deet in bug spray, and extremes of heat and cold temps?
 
It's made of Nylon, similar to the material that the Swiss Arms furniture and PMAGs are made of, but this Nylon isn't glass reinforced. It should be resistant to all solvents that the other plastic parts of your rifle are resistant to. I don't think DEET will attack Nylon.

Hot and cold shouldn't affect function, it's basically clipped onto the front of your magazine well and just sits there. I noticed it will stiffen up a little at lower temperatures so it'll be slightly harder to install or remove. If you heat it up it's easier to remove, but will stay in place unless you're actually trying to remove it. It melts at around 230 degrees C.

I have no idea about life expectancy. But if it breaks in some way, I'll replace it for you.
 
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It's made of Nylon, similar to the material that the Swiss Arms furniture and PMAGs are made of, but this Nylon isn't glass reinforced. It should be resistant to all solvents that the other plastic parts of your rifle are resistant to. I don't think DEET will attack Nylon.Hot and cold shouldn't affect function, it's basically clipped onto the front of your magazine well and just sits there. I noticed it will stiffen up a little at lower temperatures so it'll be slightly harder to install or remove. If you heat it up it's easier to remove, but will stay in place unless you're actually trying to remove it. It melts at around 230 degrees C.I have no idea about life expectancy. But if it breaks in some way, I'll replace it for you.
Thanks for the reply. Definitely interested in this product. :)
 
$55 for that small part?!? I appreciate your innovation but no thank you.

I may not be the best at marketing, and I don't have an MBA, but I would hope that people judge products on their functionality rather than their size.

The price I'm asking is 1/10th of what an NEA Swiss Arms lower costs, 1/5th of what comparable adapters cost, and almost half the price of a single Swiss Arms magazine.
 
Thanks for designing this - I can say with certainty that this is THE best mag adapter for the Swiss that I've ever tried - and really is the best way to make your swiss 10-round legal!!!
 
$55 for that small part?!? I appreciate your innovation but no thank you.

I think this is VERY reasonable for $55. Any other AR mag conversion for the Swiss is $150.
I'd like to thank GSD for bringing this to market, and I hope a Famae 540 version will be available next!:)
 
Just put in my order. $55 bucks for a custom designed 3D printed bit like this is reasonable enough when it is a small test run right out of the prototype stage. I'm willing to spend the cost of a mag to be able to use some of my excess AR mags. Will see how it copes durability wise.

Some guys will buy a $3000 rifle and $400 of magazines, $700 optic, a $300 hard case and thousands in ammo... but still will ##### over a $55 part that makes your gun more versatile.

Thanks Alex for taking the time to bring these to market. I'll be sure to post a review when I get mine.
 
Thanks guys.

I thought about it a bit, and decided to actually make the adapter kit a bit "bigger." By that I mean I added another piece at the rear of the magwell that better stabilizes the mags when the gun is cycling or when the bolt is locked back. It's only really possible to insert this piece due to the flexibility of the nylon, so as far as I know the adapters made of metal don't have this feature.

I've only tested it on my rifle so far, so I'll be offering them for free with all of the adapters ordered as a trial. If it works well, later on it'll be a cost-added option.

 
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