The Lyman® 57 GPR Receiver Sight is rugged and precise with minimal protrusion, machined to hug the Lyman Great Plains Rifle for the lowest line of sight. Adjustable aperture affords a large field of view and quick target acquisition. Lyman’s most popular receiver sight offers immediate improvement in accuracy for any target practice or serious hunting.
The 57 GPR Sight features ¼-inch minute, micrometer click adjustments for elevation and wind change, as well as a quick release slide. Plus elevation stop screw permits instantaneous return to zero. The GPR Sight requires a supplied adapter to fit the Lyman Great Plains Rifle that makes installation easy.
***Lyman® Sights are fabricated from durable machined metal.
Specifications
| Fits Lyman Great Plains | |
| Fits Lyman Deerstalker | |
| Fits Lyman Trade Rifle | |
| Construction | |
| Mounting |
Features
Made in the USAAmerican Made Dependability |
Lyman® SIghtsQuality made shooting products |
100% Adjustable PeepPrecision machined to be rigid and long lasting |
Easy MountingIncluded adapter mounts easily to the GPR |



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