Winchester Super-X .223 Rem 55 gr 20rd

Winchester Super‑X .223 Remington 55‑grain rifle ammunition is positioned for hunting and range use where consistent velocities and reliable performance are required. Product listings show this load packaged in 20‑round boxes, with 10 boxes per case. Published technical details include a listed muzzle velocity of 3240 fps, a listed muzzle energy of 1282 ft‑lbs, and brass case construction. Some source material includes mixed terminology for bullet classification; see notes for details.

Key Specifications

• The caliber is .223 Rem.
• The bullet weight is 55 grains.
• Each box contains 20 rounds.
• There are 10 boxes per case.
• The listed muzzle velocity is 3240 fps.
• The listed muzzle energy is 1282 ft‑lbs.
• The case material is brass.
• Reloadable: Yes.
• Primary application listed as Hunting / Small game.

Built to Super‑X standards, this .223 Rem 55‑grain load offers consistent ballistics and dependable feeding for hunting and general range use. Brass-cased components and reloadable cases make it suitable for shooters who handload, while the listed velocity and energy figures provide predictable on‑range performance.