The BSA Sweet 350 Legend is specifically designed for the .350 Legend cartridge. Includes 3 ballistic-calibrated turrets for 150gr, 170gr, and 180gr cartridges. The Sweet 350 Legend AO also features an adjustable objective, fully coated lenses, 30/30 reticle and 2-piece weaver rings. Includes a 1, one-piece aluminum tube. This scope is waterproof, shockproof, and fogproof.