I bought a glock 21 2 months ago and thats exactly what the gun shop did to block them. Mag block and epoxy. Had to leave the mags so they could block them and picked them up a week later. If that's what the store is doing i guess that is good.

 

From my understanding has to be a permanent fix which means you would not be able to service the springs.

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Anybody have a factory 10 round Glock 19/17 or Sig P226 magazine? If you pull the floor plate and take it apart, what/how makes it a 10 rd mag? Can someone post pics?

I'm assuming a block and a shorter spring. That's what is in my previously "legal" 15rd AR Hex mags. They were NOT "permanently" fixed.

 

Have a Sig 229 Legion in 9 mm and just went and bought new 10 round mags.....I destroyed my higher capacity magazines

 

I sent mine out of state. F--k Murphy and his dumbass laws.

 

1) You remove the floor plate. 2) Slide the spring over the mag block. 3) Insert the follower, mag block and factory spring back into the magazine then reinstall the floor plate.
Some epoxy and some don't.
I have seen some AR mags with green painted floor plates painted green marked with the number 10. I guess it all comes down to how paranoid you are.

 

Fishman... how about replacing the factory 15rd spring with a block and a 10rd spring? At that point even if the block is removed the magazine is rendered inoperable which I "assume" satisfies state law. BTW, I agree it's all about your risk tolerance. Thanks for your thoughtful response.

Shootem... Can you break down your 10rd mags? If so, is it just a block and a shorter spring that makes it a "legal" 10rd magazine?

 

After some research I'm fairly sure the answer is that the P226 10rd mag has indentations down the length of the mag making it a single stack vs the 15rd double stack. Thanks...