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.Designed for magazine length and reliable feeding in an ar platform.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.Specifications: 223 rem 55 gr hollow point boat-tail (hpbt) 20 per box/10 csCaliber: 223 RemBullet Type: Hollow Point Boat-Tail (HPBT)Bullet Weight: 55 grMuzzle Energy: 1281 ft lbsMuzzle Velocity: 3240 fpsRounds Per Box: 20Boxes Per Case: 10Application: HuntingCasing Material: BrassHazair: Yes
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