Hoptic USA Precision Bubble Level, Fits Picatinny Scope Bases. Made in the USA out of 6061-T6 Aluminum Type III Hard anodizing. Lets face it Rifle cant sucks 1 degree of cant at 500 yards = 1/2 MOA or 2.5 inches so that make 5 degrees, 12.5 inches off center = miss. Great American made rifle accessory at a reasonable price.
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