223 Remington ~ 55 Grain ~ Outdoor Master

223 Remington ~ 55 Grain ~ Outdoor Master


NEW Sierra® Outdoor Master™ cartridges utilize innovative components and production processes that deliver an economical cartridge suitable for all purposes. Packed with hard-hitting terminal performance and the same attention to detail that Sierra is famous for, Outdoor Master will get you outside with confidence.

  • Designed for magazine length and reliable feeding in an AR platform.
  • Loaded with GameKing Hollow Point Boat Tail (HPBT) bullets.
  • Cartridges are loaded with brass casings, making reloading with conventional equipment easy and economical. *NOTE – This ammo uses mil-grade primers. Best for use in AR-15s. Primer pockets must be reamed or swaged in order to reload.

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In stock

SKU: A9375--32 Categories: , ,

Additional information

Weight (grains)

55 Gr.

Box Count

20 Rounds Ammunition


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