The BSA Sweet .223 AO Rifle Scope is specifically designed for the .223 Rem cartridge. Includes 3 ballistic-calibrated turrets for 40gr, 55gr, and 62gr cartridges. The Sweet .223 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.