Gas Piston upper

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13 years 10 months ago #6597 by tcoffman
Gas Piston upper was created by tcoffman
I have an extra Armalite AR-10 lower and I want to build a Carbine out of it. I would really like to go gas piston for the Upper. So, my queston is, who makes a piston upper that fits. Or, is there a conversion that is up to the Armalte standard.

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