The BSA Sweet .22 AO Compact provides all the features of standard Sweet AO scopes in a package designed specifically for the Ruger 10/22 and other small frame .22 rifles. Complete with 3 ballistically calibrated turrets for 36gr, 38gr, and 40 gr cartridges, the Sweet 22 AO Compact also features an adjustable objective, fully coated lenses, 30/30 reticle and 2 pc. dovetail ringsFeatures :MAGNIFICATION LOW: 2XMAGNIFICATION HIGH: 7XOBJECTIVE LENS DIA. (MM): 32ADJUSTMENT GRADUATION (MOA): 1/2LENS COATING: Fully CoatedW/E ADJUSTMENT RANGE: 35EYE RELIEF (INCHES): 3FOV LOW @ 100' (FT): 55.6FOV HIGH @ 100' (FT): 15.7