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.223 / 5.56

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223 Remington ammunition and 5.56x45 NATO rounds are among the popular cartridges for American civilian shooters. Both are light-weight cartridges with relatively low recoil and a ton of muzzle velocity, making them easy on the rifleman to fire consistently and quickly.

223 ammunition is the most popular rifle caliber in terms of rounds sold in the United States today. Commonly paired with the AR-15 Armalite rifle, these rounds a capable for defense but most commonly used by recreational sport shooters who like the flexibility the very fast, light-weight bullet provides. You can expect muzzle velocities in the neighborhood of 3,000 feet per second with most rounds along with a muzzle energy rating that's around 1,300 foot pounds.

Look for a wide assortment of in-stock 223 ammo along with 5.56 with bullet weights primarily in either 55-grain or 62-grain. We carry both bulk full metal jacket loaded rounds, like these from PMC and hollow point bullets that are better suited for hunting or competition shooting, like these match-grade rounds from Fiocchi. All of our 223 ammo for sale is in-stock with fast shipping.

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21 - 40 of 143

  1. 500rds – 5.56x45 Federal American Eagle 55gr. FMJ XM193 Ammo 500rds – 5.56x45 Federal American Eagle 55gr. FMJ XM193 Ammo
    $275.00
    $0.55/ppr

    27 In Stock

  2. 500rds – 223 Rem Fiocchi 55gr. PSP Ammo 500rds – 223 Rem Fiocchi 55gr. PSP Ammo
    $279.95
    $0.56/ppr

    14 In Stock

  3. 500rds – 5.56x45 Federal American Eagle 55gr. FMJBT XM193 Ammo 500rds – 5.56x45 Federal American Eagle 55gr. FMJBT XM193 Ammo
    $279.95
    $0.56/ppr

    28 In Stock

  4. 600rds – 5.56 PMC X-TAC Battle Pack 62gr. FMJ M855 Green Tip - LAP Ammo 600rds – 5.56 PMC X-TAC Battle Pack 62gr. FMJ M855 Green Tip - LAP Ammo

    ☆☆☆☆☆ 1 Review(s)

    $339.95
    $0.57/ppr

    12 In Stock

  5. 20rds – 5.56x45 Igman 55gr. FMJ M193 Ammo 20rds – 5.56x45 Igman 55gr. FMJ M193 Ammo
    $11.50
    $0.58/ppr
    • Buy 3 for $11.00 each

    180 In Stock

  6. 20rds – 223 Rem PMC 55gr. FMJBT Ammo 20rds – 223 Rem PMC 55gr. FMJBT Ammo

    ☆☆☆☆☆ 3 Review(s)

    $11.95
    $0.60/ppr

    160 In Stock

  7. 20rds - 5.56 PMC X-TAC 55gr. (XP193) Full Metal Jacket Ammo 20rds - 5.56 PMC X-TAC 55gr. (XP193) Full Metal Jacket Ammo

    ☆☆☆☆☆ 1 Review(s)

    $11.95
    $0.60/ppr

    162 In Stock

  8. 20rds - 223 ARMSCOR USA Precision 55gr. Full Metal Jacket Ammo 20rds - 223 ARMSCOR USA Precision 55gr. Full Metal Jacket Ammo
    $11.95
    $0.60/ppr

    112 In Stock

  9. 100rds – 5.56x45 Federal American Eagle 55gr. FMJ XM193 Ammo 100rds – 5.56x45 Federal American Eagle 55gr. FMJ XM193 Ammo
    $59.95
    $0.60/ppr

    26 In Stock

  10. 200rds - .223 Remington UMC 55gr. FMJ Ammo 200rds - .223 Remington UMC 55gr. FMJ Ammo
    $119.95
    $0.60/ppr

    36 In Stock

  11. 1000rds – 223 Rem Fiocchi 40gr. V-MAX Ammo 1000rds – 223 Rem Fiocchi 40gr. V-MAX Ammo

    ☆☆☆☆☆ 4 Review(s)

    $599.95
    $0.60/ppr

    13 In Stock

  12. 1000rds - 223 Rem Fiocchi 50gr. V-MAX Ammo 1000rds - 223 Rem Fiocchi 50gr. V-MAX Ammo
    $599.95
    $0.60/ppr

    14 In Stock

  13. 1000rds – 223 Rem Fiocchi 55gr. V-MAX Ammo 1000rds – 223 Rem Fiocchi 55gr. V-MAX Ammo

    ☆☆☆☆☆ 1 Review(s)

    $599.95
    $0.60/ppr

    16 In Stock

  14. 500rds – 223 Rem Federal American Eagle 55gr. FMJBT Ammo 500rds – 223 Rem Federal American Eagle 55gr. FMJBT Ammo Video

    ☆☆☆☆☆ 1 Review(s)

    $304.95
    $0.61/ppr

    28 In Stock

  15. 20rds – 5.56x45 PMC X-TAC 62gr. FMJ M855 Ammo 20rds – 5.56x45 PMC X-TAC 62gr. FMJ M855 Ammo

    ☆☆☆☆☆ 5 Review(s)

    $12.25
    $0.61/ppr

    152 In Stock

  16. 500rds – 223 Rem Federal American Eagle 55gr. FMJBT Ammo 500rds – 223 Rem Federal American Eagle 55gr. FMJBT Ammo

    ☆☆☆☆☆ 2 Review(s)

    $309.95
    $0.62/ppr

    29 In Stock

  17. 20 Rounds of 5.56x45 Ammo by Wolf Gold - 55gr FMJ 20 Rounds of 5.56x45 Ammo by Wolf Gold - 55gr FMJ
    $12.45
    $0.62/ppr

    188 In Stock

  18. 800rds - 223 Rem PMC Bronze Hunting 55gr. SP Ammo 800rds - 223 Rem PMC Bronze Hunting 55gr. SP Ammo
    $499.95
    $0.62/ppr

    13 In Stock

  19. 50rds – 223 Rem Fiocchi 62gr. FMJBT Ammo 50rds – 223 Rem Fiocchi 62gr. FMJBT Ammo

    ☆☆☆☆☆ 6 Review(s)

    $31.95
    $0.64/ppr

    150 In Stock

  20. 500rds – 223 Federal American Eagle 62gr. FMJ-BT Ammo 500rds – 223 Federal American Eagle 62gr. FMJ-BT Ammo
    $320.00
    $0.64/ppr

    29 In Stock

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21 - 40 of 143

Recent .223 / 5.56 Reviews

  • ☆☆☆☆☆
    Federal has sold this load for many years (though not always in the same packaging). I've been using it for fox, bobcats, coyotes and as a general plinking round for about as long. While it's not the most accurate round out there, it does MOA in my CZ 527 and Rock River Coyote Rifle and so is plenty accurate for hunting. It's terminal ballistics are superb. Every varmint I've shot with it went down in its tracks. Though I cannot recommend it as a deer round, with neck shots it will drop the biggest buck with authority. Overall good to very good hunting load.
    Greg Klebanoff on 20rds – 5.56x45 Federal Varmint & Predator 50gr. JHP Ammo
  • ☆☆☆☆☆
    Good for consistent 1 1/4" @ 100 yds through irons with old HBAR Match 1:9, 2" with red dotted 10 1/2" bare tube AR pistol. Better accuracy than FMJ's at competitive price. Reasonably clean. Not bad on woodchucks either.
    MARK REAUME on 20rds – 223 Rem Hornady Frontier 55gr. HP Match Ammo
  • ☆☆☆☆☆
    Ammo to go is the place to go for ammo. Jim
    Jim on 1000rds – 223 Rem PMC 55gr. FMJBT Ammo
  • ☆☆☆☆☆
    Quick delivery. Great price. Box was a little beat up, but I blame that on the shipping company. Ammo is solid. Will buy again
    Ron Biscotti on 20rds - .223 Federal LE Tactical TRU 55gr. SP Ammo