Winchester Varmint X ammunition is loaded in 223 Rem caliber with 55-grain polymer-tipped bullets designed for varmint and predator tasks. The polymer tip supports consistent ballistic performance and reliable flight. This load is configured for users who prioritize accuracy and predictable terminal performance in small-game and varmint applications. The product is sold in retail boxes and is also available in case quantities for bulk needs.
Box: Sold per box of 20 rounds.
Case: A case consists of 10 boxes (200 rounds); a case quantity is achieved by ordering the required number of boxes.
Key Specifications
- Caliber is 223 REM.
- Bullet type is POLYMER TIPPED.
- Bullet weight is 55 GRAINS.
- Cartridges per box are 20.
- Boxes per case are 10.
- Reloadable: Yes.
- Muzzle velocity is 3240 fps.
- Muzzle energy is 1282 ft lbs.
- Brand style is Varmint X.
- Cartridge designation is .223 REM/5.56 NATO.
Dependable Winchester Varmint X ammunition delivers consistent accuracy and controlled performance for varmint and predator use, available in convenient 20-round boxes and in case quantities for sustained field or range requirements.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




