Since nobody makes a higher capacity magazine, or mag extension, I machined my own today. My prototype is just made out of acrylic and bolted together to test function. It bumps my 8 round magazine to a 10 round. I can fit an 11th round, but cant get the magazine to push all the way into the mag well. So, i'll need to shorten it slightly so I cant fit 11 rounds on accident.

If it functions, it'll be made out of some impact resistant plastic, and contoured to match the grip. I wouldn't trust it with my life, but it would be nice at the range/idpa.

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Really nice, especially if it works.

Here's the mostly finished extension. Needs to be deburred and painted black. My nylon 6/6 is a deep navy or purple, not quite black.

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Nice job!!! I need to do the same to the Bodyguard 380. Looks like that will be my next project.

Ok so how much do the cost?

What about the mag spring? I know the Shield mag springs are long but adding that much more room for the spring may cause issues and I think you realize it due to saying it would be for range use only. Very cool concept and skill though.

The only thing I can say is WOW!! You can sell this. Have a patent and sell it dude.

U mines well get the full size m&p! Haha. The purpose of the size of the shield is for concealment!

Plasticky!

I think it will still be 100% reliable. Even extended, I dont really notice much pressure difference when loading the first round into an 8rd or 10rd magazine. But without doing longer term testing, I dont know about using it for defense.

With what material I have left, i'll make as many as will allow and sell them to whomever wants them. Not sure when I'll have the time to do that though. I dont plan on doing any production runs of them to sell. Of course plans always change.

I'm just using it at the range and matches. The 7rd magazine is my concealed mag of choice. With the +2 extension, the grip is as long as the slide! Maybe longer, I havn't measured it.

Man those are pretty cool. I call dibs on the first one you make. I will take two if you have enough. Let me know for real if you make some more and sell them I will buy some.

Very nice job! & I'm sure you could sell a bunch.

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John 3:16, Carry Everyday!

Very nice....great work.

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Lt. Dan, what R U doing here?

Also what about a 3 round extension for the 7 round mag? I think that might look even better.

What material is that? It looks like ABS to me thats why I'm asking.

Cast nylon 6/6

Do you have a casting machine or did you shop it out?

You can get the material in either cast, or extruded sheets. The part itself was completely machined on a CNC vertical mill.

If you decide to manufacture the piece check out a 3D Mojo machine. That what I use for my prototypes. You can buy one or lease one for $185 month.

A guy could have a lot of fun with one of those!