Description ADI World Class Ammunition loads the Sierra BlitzKing 55-grain bullet into a .223 Rem / 5.56 NATO cartridge to deliver a lightweight, boat-tail projectile intended for accurate, controlled expansion. The BlitzKing bullet incorporates an acetyl resin nose and a sharp polymer tip to improve ballistic coefficient relative to small hollow-point designs. This cartridge is packaged in 20-round boxes (200 rounds per case) and is suited to varmint and small-game field use where accuracy and consistent terminal performance are priorities. Key Specifications The caliber is .223 Rem / 5.56 NATO. The bullet weight is 55 grains. The projectile is a Sierra BlitzKing boat-tail. The projectile nose material is acetyl resin. Rounds per box: 20 rounds. Units per case: 200 rounds (10 boxes). Product type: Boat Tail. Model designation: Match. Manufacturer: ADI World Class Ammunition (Australian Defense Industries). Built on ADI’s legacy in propellant and ammunition design, this load pairs a high-BC Sierra projectile with factory quality control to support consistent performance in the field. Its combination of bullet design and boat-tail profile makes it a practical choice for shooters seeking accurate, rapid-expansion performance on varmints and small game without sacrificing shootability or ballistic efficiency.
