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AAC Phoenix Silenced .22 Rifles

By Al Paulson

The integrally silenced Ruger 10/22 is one of the finest semi automatic sporting instruments ever devised. When properly executed, these are very handsome, very quiet, well-balanced rifles that are also capable of excellent accuracy. The state of the art in suppressed .22 rifles and pistols has progressed to a very high level in the last few years, although the Ruger products do vary somewhat in accuracy “Out of the box”. With the proverbial bar set so high, the careful shopper can find performance that was unthinkable just a few years ago. One interesting entry into the highly competitive field of integrally silenced 10/22s is the Phoenix rifle from Advanced Armament Corp. I’ve had the opportunity to evaluate both first-generation and second generation Phoenix rifles, and it’s safe to say that the results were surprising.

Using a similar baffle stack to AAC’s Phoenix pistol, the first-generation Phoenix rifle (henceforth referred to as the Phoenix Type 1) has approximately the same length and weight as an unmodified rifle when the factory stock is inletted to accept the suppressor. The silencer tube is made from 304 stainless steel, which is finished in a matte bead blast finish. The tube completely covers the exposed portion of the barrel. The suppressor has a length of 17.6 inches and a diameter of 0.98 inch. With Simmons .22 MAG 4x32 scope, Weaver rings, Hogue aftermarket stock, and empty magazine, the Phoenix Type 1 rifle evaluated in this study has an LOA of 36.75 inches and a system weight of 6.7 pounds. Since the scope and mounts weigh 12.9 ounces, the Phoenix Type 1 rifle weighs 5.9 pounds without optics. The baffles are CNC machined from 6061-T6 aluminum alloy to minimize weight and to maximize heat transfer from hot combustion gases, which increases the efficiency of the silencer. The 12.5 inch barrel has minimal porting engineered to keep high velocity and standard velocity ammo from generating a loud ballistic crack, while at the same time delivering maximum practicable velocity to provide as much penetration as possible without objectionable bullet flight noise. The porting...

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