Hey People, I have an S-12 on order and I asked about the bolt hold-open feature. I was told the one I ordered has the manual bolt hold open level installed. They have one with the last round bolt hold open installed. It's a little more pricewise, and they don't believe it will work with all the other S-12 mags on the market. I'd like the last round hold open, but if it's a headache with magazines... Any advice?
-Mike
-Mike


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