The Heras SPR 6-24x56mm Riflescope is an ideal choice for rimfire rifles intended for extreme precision. To ensure a lifetime of reliable service, the Heras SPR 6-24x56mm utilizes a one-piece tube design made from heat treated aircraft grade aluminum. This gives the Heras SPR ideal resistance to shock, and minor bumps and impacts. The Heras SPR’s optics feature premium glass lenses with advanced multi coatings to deliver superior light transmission with optimum brightness and true color across the entire light spectrum. Other features of the Heras SPR include a lockable turrets, allowing the user to pull the turret up to make adjustments, and push it down to lock it in place to prevent unintentional adjustments. The locking turrets are perfectly complemented by the Precision Zero Rest Function that allows you to return to your original zeroing after making adjustments in the field. Features of the Heras SPR 6-24x56mm Riflescope: Durable one-piece tube construction made from heat treated aircraft grade aluminum Premium glass lenses with advanced multi-coatings Lockable turrets Precision Zero Rest Function Available in first and second focal planes athlon optics Athlon Heras SPR 6-24x56mm SF 30mm SFP IR APRS8 MIL Riflescope 214510