Using the popular Boyd's AT-ONE stock as its basis, this 457 Varmint variant makes an ideal trainer for the whole family. With the push of a button, length of pull can be adjusted from 12.5 to 14.25 inches. Comb height is similarly adjustable, with 5/8 inches of rise available. The stiff laminate stock provides a nice, rigid platform from which to work and the 16.5 inches threaded heavy barrel makes fitting a suppressor easy. If we were to pick one thing that our previous rimfire platforms were lacking, it was an American-style push-to-fire safety - something Hunter's Education instructors and 4-H shooting coaches have begged us to incorporate for years. Though that was the most obvious change, we also took the opportunity to tweak a load of small things at the same time. In addition to the receiver-mounted, push-to-fire safety, we chopped almost an inch of length from the action and slab-sided it to reduce its footprint and weight. The stamped bottom metal of the 455 is gone, swapped for a classy 2-piece interlocking system. To make scope fitment easier, we ditched the 90 deg bolt rotation in favor of 60 deg, allowing for larger ocular bell diameters with lower ring heights. To top it all off, the 457 now features a trigger adjustable for weight, creep and over-travel. With the exact same swappable barrel system as the 455 and the same reliable polymer magazine system, the 457 is without a doubt the best rimfire platform we've ever fielded.
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