HERE’S SOMETHING you’ll very seldom hear me say: I couldn’t find a single disagreeable thing about Magnum Research’s MLR22AT. Strip away everything from this particular rimfire, and you’re left with the very familiar and highly praised Ruger 10/22, a foundation that is rock-solid.
The rifle is ridiculously accurate. She’s light, easy to clean, and favors a diet of reasonably priced ammunition.
But before we begin this gun review, allow me some translation of the rimfire’s model designation. MLR stands for MagnumLite Rimfire, while the AT portion of the name reads as ‘ambidextrous thumbhole (stock).”
The foundation for the AT is a Ruger 10/22 receiver and blowback operating system. Standard is the Ruger’s tried-and-true 10-round rotary magazine – same push button behind-the-mag release and forward cut-out allowing fingertip access to ‘pry’ the magazine out, if necessary.
A single screw just ahead of the magazine cut-out connects the stock to the barrel/receiver. The crossbolt safety is located in the forward portion of the trigger guard; a scalloped bolt lock behind and slightly to the left of the magazine release holds the bolt open (press lower) or closed (press upper).
Different, however, from the traditional stock 10/22s are several features unique to the AT. In milling the receiver, the folks at Magnum Research have incorporated an integral Weaver style rail atop for mounting optics. In the rear of the receiver, a hole allows for easy barrel maintenance. The bolt handle on the AT is large – one inch long, and 11/16-inch in diameter – and hollow, i.e. light to allow for sufficient bolt speed with the relatively slow .22LR ammunition.
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About the Author: M.D. Johnson is an outdoors writer who has published articles at numerous publications as one half of M&J Outdoors. He's authored several books about the outdoors, including "Successful Duck Hunting" and "Guide to Pheasant Hunting."
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