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On Sale - July 2, 2024
Firearms News - July 2024: On the Cover

SIG Sauer's MCX Regulator Rifle

Classic meets modern.

Firearms News - July 2024
Photo by Sean Utley

There are people who live in states where some particular firearm details are not permitted. I know, I know, but there it is. (One such person I know is the fourth gen- eration of six on the family farm. He and the family can’t move the farm, so he stays.) What to do? Simple: ring up SIG SAUER and get an MCX Regulator. Regulator? Yes, the SIG that looks like a ranch rifle. The Regulator is a gas-operated self-loading rifle that lacks a pistol grip. In particular, it is the MCX piston-driven upper, on a lower receiver machined to accept a Magpul stock, and the combination is one that works like a champ. OK, the elements in this package: The upper is a standard MCX upper, with the system driven by a piston. The gas block has an adjust- ment, so you can regulate the gas flow to deal with a suppressor. (I have to figure the locations where a pistol grip is verboten, but a suppressor is okay are limited, but who knows.) The SIG barrel, sixteen inches long and with a 1:7 twist rate, is hammer forged and given a nitride surface treatment. It has the gas block permanently attached. If you want to go and swap barrels (why?) you will be swapping the barrel and gas block. I don’t see that happening until you’ve shot the bore out, which will be a good, long, time. The Regulator arrived here (and they all do) with a muzzle brake installed. If you want something else, just unscrew it and attach the device of your desire.

[Continue reading "SIG Sauer's MCX Regulator Rifle" in the July 2024 issue]


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