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CZ-457 experts help on magazines

There is absolutely no down side to an extended release in a chassis where it is protected from accidental contact, as long as you're using 10 round mags or L3i 13 rounders. There may be some poorly designed extensions that could interfere, or maybe the factory 5 round mags, but you're probably not using those in an ACC anyway.
 
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Only needed for balance. In my 20" MTR in a gen1 ACC, I ran ~3lbs of weight out front to get it to balance on a Schmedium nicely. Some people like 20+lb 22LR rifles, but not me.
 
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I found a company online that still had some L3i 10 round mags in stock. 2 are out for delivery to me today for my testing.
I haven't tried the L3i 10rd magazines, but I have 4 of the 13rd magazines. I have put thousands of rounds through them in my CZ 457 MDT chassis model with NOT ONE malfunction whatsoever. I can only assume the 10rd magazines are just as reliable, at least in my particular rifle.
 
Midwestgunworks has them in stock
From Midwestgunworks that came today. Can't wait to try them out.

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