The BSA Sweet .270 AO Rifle Scope is specifically designed for the .270 caliber cartridge. Complete with 3 ballistically calibrated turrets for 100gr, 130gr, and 150 gr cartridges, the Sweet .270 AO also features an adjustable objective, fully coated lenses, 30/30 reticle and 2 pc. weaver rings Matte black finish. Waterproof, shockproof and fogproof.