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    Brass
  2. Bullet Weight
    55 Grain
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  9. 3270 FPS 4 items
Applications
  1. Defensive 4 items
  2. Hunting 20 items
  3. Precision / Match 3 items
  4. Target 26 items
Round Count
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  2. 30 1 item
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  4. 100 2 items
  5. 150 4 items
  6. 180 1 item
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  8. 300 1 item
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  13. 1000 1 item
Inventory
  1. In Stock 11 items
  2. Out of Stock 15 items
Customer Rating
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    4 items
  2. 4
    & up     14 items

Buy Ammunition Online

Shop for Quality Ammo Online — Low Prices, Wide Selection, and Always In Stock

GunMag Warehouse makes it easy to buy ammunition online at unbeatable prices – from handgun and rifle ammo to shotgun shells. Hitting the range, gearing up for hunting season, or preparing for home defense? GunMag Warehouse allows you to quickly narrow down by caliber, brand, grain weight, or use case. 

We carry only the best ammunition brands, like Federal, Hornady, Remington, and PMC. In addition, we keep a wide selection of calibers available at GunMag Warehouse, in stock and ready to ship. These include 9mm, .223, 5.56, .45 ACP, 7.62x39, .308, .22LR, 12 gauge, and more.

With bulk ammo options, frequent ammunition deals, and fast delivery, GunMag Warehouse has earned the reputation as one of the best places to buy ammo online.

  1. Hornady Frontier Cartridge 5.56 NATO Ammo 55gr M193 FMJ
    Hornady Frontier Cartridge 5.56 NATO Ammo 55gr M193 FMJ
    (169)
    $19.99 $499.99 $8.99 $209.99 Save $290.00 $0.42 $0.50 per round
  2. PMC X-Tac 5.56 NATO Ammo 55gr FMJBT
    PMC X-Tac 5.56 NATO Ammo 55gr FMJBT
    (181)
    $16.99 $849.99 $9.49 $439.99 Save $410.00 $0.44 $0.47 per round
  3. Hornady Frontier Cartridge .223 Remington Ammo 55gr FMJ
    Hornady Frontier Cartridge .223 Remington Ammo 55gr FMJ
    (68)
    $16.99 $424.99 $8.99 $199.99 Save $225.00 $0.40 $0.54 per round
  4. PMC Bronze .223 Remington Ammo 55gr FMJBT 20 Rounds
    PMC Bronze .223 Remington Ammo 55gr FMJBT 20 Rounds
    (144)
    $12.95 $9.49 Save $3.46 ($0.47 per round)
  5. PMC X-Tac 5.56 NATO Ammo 55gr FMJ-BT 200 Round Battle Pack
    PMC X-Tac 5.56 NATO Ammo 55gr FMJ-BT 200 Round Battle Pack
    (28)
    $143.99 $101.99 Save $42.00 ($0.51 per round)
  7. Federal American Eagle .223 Remington Ammo 55gr FMJ
    Federal American Eagle .223 Remington Ammo 55gr FMJ
    $19.99 $408.99 $11.49 $280.99 Save $128.00 $0.56 $0.57 per round
  9. Remington UMC .223 Remington Ammo 55gr FMJ
    Remington UMC .223 Remington Ammo 55gr FMJ
    (51)
    $19.99 $199.99 $11.99 $189.99 Save $10.00 $0.60 $0.65 per round
  12. Aguila 5.56 NATO Ammo 55gr FMJ
    Aguila 5.56 NATO Ammo 55gr FMJ
    Out of stock
    $15.99 $299.99 $15.99 $229.99 Save $70.00 $0.51 $0.53 per round
  13. Federal American Eagle 5.56 NATO Ammo 55gr FMJ 200 Rounds
    Federal American Eagle 5.56 NATO Ammo 55gr FMJ 200 Rounds
    Out of stock
    $163.99 $109.99 Save $54.00 ($0.55 per round)
  14. Federal American Eagle 5.56 NATO Ammo 55gr FMJ 100 Rounds
    Federal American Eagle 5.56 NATO Ammo 55gr FMJ 100 Rounds
    Out of stock
    $81.99 $56.49 Save $25.50 ($0.56 per round)
  15. PMC Bronze .223 Remington Ammo 55gr FMJ 200 Round Battle Pack
    PMC Bronze .223 Remington Ammo 55gr FMJ 200 Round Battle Pack
    Out of stock
    (9)
    $139.99 $94.99 Save $45.00 ($0.47 per round)
  16. Armscor .223 Remington 55gr Ammo FMJ 20 Rounds
    Armscor .223 Remington 55gr Ammo FMJ 20 Rounds
    Out of stock
    $9.99 ($0.50 per round)
  17. PPU Rangemaster 5.56 NATO Ammo 55gr FMJBT 20 Rounds
    PPU Rangemaster 5.56 NATO Ammo 55gr FMJBT 20 Rounds
    Out of stock
    $16.99 $13.99 Save $3.00 ($0.70 per round)
  18. Uzima Romanian 5.56 NATO Ammunition 55gr M193 FMJ 800 Rounds
    Uzima Romanian 5.56 NATO Ammunition 55gr M193 FMJ 800 Rounds
    Out of stock
    $599.99 $419.99 Save $180.00 ($0.52 per round)
  19. Browning Training & Practice .223 Remington Ammo 55gr FMJ 20 Rounds
    Browning Training & Practice .223 Remington Ammo 55gr FMJ 20 Rounds
    Out of stock
    (114)
    $14.99 $10.99 Save $4.00 ($0.55 per round)
  20. Fiocchi Range Dynamics .223 Remingtion Ammo 55gr FMJBT
    Fiocchi Range Dynamics .223 Remingtion Ammo 55gr FMJBT
    Out of stock
    (2)
    $37.99 $159.99 $29.99 $129.99 Save $30.00 $0.60 $0.80 per round
  21. Winchester Target & Practice 5.56 NATO Ammo 55gr M193 FMJ
    Winchester Target & Practice 5.56 NATO Ammo 55gr M193 FMJ
    Out of stock
    (5)
    $19.99 $129.99 $11.99 $86.99 Save $43.00 $0.58 $0.60 per round
  22. Winchester USA .223 Remington Ammo 55gr FMJ
    Winchester USA .223 Remington Ammo 55gr FMJ
    Out of stock
    $129.99 $89.99 Save $40.00 $0.60 per round
  23. winchester-5-56x45mm-nato-fmj-180-rounds.jpg
    Winchester USA 5.56 NATO Ammo 55gr FMJ 180 Rounds
    Out of stock
    $149.99 $84.99 Save $65.00 ($0.47 per round)
  24. PPU Mil-Spec 5.56 NATO Ammo 55gr FMJBT 20 Rounds
    PPU Mil-Spec 5.56 NATO Ammo 55gr FMJBT 20 Rounds
    Out of stock
    $19.99 $9.99 Save $10.00 ($0.50 per round)
  25. PPU Mil-Spec 5.56 NATO Ammo 55gr FMJBT 200 Rounds
    PPU Mil-Spec 5.56 NATO Ammo 55gr FMJBT 200 Rounds
    Out of stock
    $169.99 $88.99 Save $81.00 ($0.44 per round)
  26. Magtech Tactical 5.56 NATO Ammo 55gr FMJ 50 Rounds
    Magtech Tactical 5.56 NATO Ammo 55gr FMJ 50 Rounds
    Out of stock
    (16)
    $42.99 $24.49 Save $18.50 ($0.49 per round)
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