The BSA Sweet .223 AO Rifle Scope is specifically designed for the .223 caliber cartridge. Complete with 3 ballistically calibrated turrets for 40gr" 55gr" and 62 gr cartridges" the Sweet .223 AO also features an adjustable objective" fully coated lenses" Plex reticle and 2 pc. weaver rings Matte black finish. Waterproof" shockproof and fogproof.