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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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  1. 200rds - .223 PMC Bronze 55gr. FMJ Ammo in Battle Packs 200rds - .223 PMC Bronze 55gr. FMJ Ammo in Battle Packs
    $114.95
    $0.57/ppr

    29 In Stock

  2. 20rds - .223 WPA Military Classic 55gr. FMJ Ammo 20rds - .223 WPA Military Classic 55gr. FMJ Ammo
    $11.55
    $0.58/ppr

    70 In Stock

  3. 1000rds – 223 Rem Federal American Eagle 55gr. FMJBT Ammo 1000rds – 223 Rem Federal American Eagle 55gr. FMJBT Ammo
    $589.95
    $0.59/ppr

    15 In Stock

  4. 800rds – 5.56x45 Winchester USA 55gr. FMJ Ammo 800rds – 5.56x45 Winchester USA 55gr. FMJ Ammo
    $474.95
    $0.59/ppr
    Save $75 on this product with a mail in rebate! (details)

    7 In Stock

  5. 125rds – 5.56x45 Winchester USA VALOR 55gr. FMJ M193 Ammo 125rds – 5.56x45 Winchester USA VALOR 55gr. FMJ M193 Ammo
    $74.95
    $0.60/ppr

    36 In Stock

  6. 500rds - 223 Rem Federal American Eagle 50 Grain JHP Ammo 500rds - 223 Rem Federal American Eagle 50 Grain JHP Ammo

    ☆☆☆☆☆ 1 Review(s)

    $299.95
    $0.60/ppr

    37 In Stock

  7. 500rds – 5.56x45 Federal American Eagle 55gr. FMJBT XM193 Ammo 500rds – 5.56x45 Federal American Eagle 55gr. FMJBT XM193 Ammo
    $299.95
    $0.60/ppr

    42 In Stock

  8. 500rds - 5.56x45 Hornady Frontier 55gr. HP Match Ammo 500rds - 5.56x45 Hornady Frontier 55gr. HP Match Ammo

    ☆☆☆☆☆ 1 Review(s)

    $304.95
    $0.61/ppr

    27 In Stock

  9. 500rds – 223 Rem Hornady Frontier 55gr. HP Match Ammo 500rds – 223 Rem Hornady Frontier 55gr. HP Match Ammo
    $309.95
    $0.62/ppr

    44 In Stock

  10. 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

    30 In Stock

  11. 500rds – 223 Federal American Eagle 62gr. FMJ-BT Ammo 500rds – 223 Federal American Eagle 62gr. FMJ-BT Ammo
    $330.00
    $0.66/ppr

    27 In Stock

  12. 500rds – 5.56x45 Hornady Frontier 68gr. BTHP Match Ammo 500rds – 5.56x45 Hornady Frontier 68gr. BTHP Match Ammo
    $344.95
    $0.69/ppr

    42 In Stock

  13. 500rds – 223 Rem Hornady Frontier 68gr. BTHP Match Ammo 500rds – 223 Rem Hornady Frontier 68gr. BTHP Match Ammo
    $349.95
    $0.70/ppr

    16 In Stock

  14. 20 Rounds of 5.56x45 Ammo by Wolf Gold - 55gr FMJ 20 Rounds of 5.56x45 Ammo by Wolf Gold - 55gr FMJ
    $14.45
    $0.72/ppr

    162 In Stock

  15. 200rds – 223 Rem ADI World Class 55gr. BlitzKing Ammo 200rds – 223 Rem ADI World Class 55gr. BlitzKing Ammo

    ☆☆☆☆☆ 1 Review(s)

    $144.95
    $0.72/ppr

    25 In Stock

  16. 20rds – 223 Rem Winchester USA 55gr. FMJ Ammo 20rds – 223 Rem Winchester USA 55gr. FMJ Ammo
    $14.50
    $0.73/ppr

    158 In Stock

  17. 500rds - 5.56x45 Hornady Frontier 75gr. BTHP Match Ammo 500rds - 5.56x45 Hornady Frontier 75gr. BTHP Match Ammo

    ☆☆☆☆☆ 1 Review(s)

    $375.00
    $0.75/ppr

    29 In Stock

  18. 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)

    $15.45
    $0.77/ppr

    152 In Stock

  19. 20rds – 5.56x45 PMC X-TAC 62gr. FMJ M855 Ammo 20rds – 5.56x45 PMC X-TAC 62gr. FMJ M855 Ammo

    ☆☆☆☆☆ 5 Review(s)

    $15.95
    $0.80/ppr

    133 In Stock

  20. 20rds – 223 Rem Winchester USA Ready 62gr. Open Tip Ammo 20rds – 223 Rem Winchester USA Ready 62gr. Open Tip Ammo
    $15.95
    $0.80/ppr
    • Buy 5 for $14.50 each

    158 In Stock

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