My Cart ()
Back Close
Filters
Now Shopping by
  1. Material
    Brass
  2. Bullet Weight
    55 Grain
  3. Inventory
    In Stock
  4. Customer Rating
    1 star & up
Brand
  1. Barnes 2 items
  2. Federal Ammunition 1 item
  3. Hornady 10 items
  4. Nosler 3 items
  5. PMC Ammunition 5 items
  6. Remington 1 item
Caliber
  1. 220 Swift 1 item
  2. 22-250 Remington 3 items
  3. 223 Remington 13 items
  4. 5.56mm NATO 5 items
Material
  1. Brass 22 items
  2. Steel 2 items
Bullet Weight
  1. 1 1/2 Oz. 3 items
  2. 1 1/4 Oz. 3 items
  3. 1 1/8 Oz. 9 items
  4. 1 3/16 Oz 1 item
  5. 1 Oz. 11 items
  6. 1/3 Oz. 1 item
  7. 7/8 Oz. 2 items
  8. 11/16 Oz. 2 items
  9. 17 Grain 2 items
  10. 20 Grain 2 items
  11. 24 Grain 1 item
  12. 29 Grain 1 item
  13. 30 Grain 2 items
  14. 32 Grain 1 item
  15. 35 Grain 1 item
  16. 38 Grain 1 item
  17. 40 Grain 9 items
  18. 50 Grain 5 items
  19. 53 Grain 1 item
  20. 55 Grain 22 items
  21. 58 Grain 1 item
  22. 60 Grain 5 items
  23. 62 Grain 11 items
  24. 68 Grain 1 item
  25. 69 Grain 1 item
  26. 70 Grain 1 item
  27. 71 Grain 1 item
  28. 73 Grain 1 item
  29. 75 Grain 9 items
  30. 80 Grain 4 items
  31. 88 Grain 2 items
  32. 90 Grain 8 items
  33. 95 Grain 5 items
  34. 100 Grain 9 items
  35. 103 Grain 1 item
  36. 105 Grain 3 items
  37. 108 Grain 1 item
  38. 110 Grain 8 items
  39. 115 Grain 12 items
  40. 117 Grain 3 items
  41. 120 Grain 7 items
  42. 123 Grain 7 items
  43. 124 Grain 12 items
  44. 125 Grain 5 items
  45. 127 Grain 1 item
  46. 129 Grain 5 items
  47. 130 Grain 13 items
  48. 132 Grain 1 item
  49. 135 Grain 2 items
  50. 138 Grain 2 items
  51. 139 Grain 2 items
  52. 140 Grain 16 items
  53. 143 Grain 2 items
  54. 145 Grain 2 items
  55. 147 Grain 7 items
  56. 150 Grain 36 items
  57. 154 Grain 1 item
  58. 155 Grain 6 items
  59. 158 Grain 6 items
  60. 160 Grain 5 items
  61. 162 Grain 2 items
  62. 165 Grain 14 items
  63. 168 Grain 9 items
  64. 170 Grain 5 items
  65. 174 Grain 1 item
  66. 175 Grain 5 items
  67. 178 Grain 4 items
  68. 180 Grain 30 items
  69. 185 Grain 3 items
  70. 190 Grain 2 items
  71. 195 Grain 1 item
  72. 200 Grain 9 items
  73. 205 Grain 5 items
  74. 208 Grain 1 item
  75. 210 Grain 1 item
  76. 212 Grain 1 item
  77. 215 Grain 1 item
  78. 220 Grain 1 item
  79. 225 Grain 7 items
  80. 230 Grain 7 items
  81. 240 Grain 5 items
  82. 250 Grain 7 items
  83. 255 Grain 2 items
  84. 262 Grain 1 item
  85. 265 Grain 1 item
  86. 285 Grain 1 item
  87. 300 Grain 10 items
  88. 307 Grain 1 item
  89. 325 Grain 3 items
  90. 395 Grain 1 item
  91. 400 Grain 2 items
  92. 410 Grain 1 item
  93. 450 Grain 1 item
  94. 500 Grain 1 item
  95. 750 Grain 1 item
Muzzle Velocity
  1. 3100 FPS 2 items
  2. 3120 FPS 1 item
  3. 3175 FPS 1 item
  4. 3200 FPS 2 items
  5. 3240 FPS 10 items
  6. 3270 FPS 3 items
  7. 3550 FPS 1 item
  8. 3680 FPS 3 items
Applications
  1. Defensive 1 item
  2. Hunting 10 items
  3. Precision / Match 2 items
  4. Target 9 items
Round Count
  1. 20 17 items
  2. 50 8 items
  3. 150 3 items
  4. 200 2 items
  5. 250 1 item
  6. 300 1 item
  7. 500 2 items
  8. 800 1 item
  9. 840 1 item
  10. 1000 1 item
Inventory
  1. In Stock 22 items
  2. Out of Stock 7 items
Customer Rating
  1. 5
    8 items
  2. 4
    & up     20 items
  3. 3
    & up     22 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
    (163)
    $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
    (179)
    $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
    (67)
    $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. Hornady Varmint Express .223 Remington Ammo 55gr V-Max
    Hornady Varmint Express .223 Remington Ammo 55gr V-Max
    (19)
    $34.99 $89.99 $20.99 $40.99 Save $49.00 $0.82 $1.05 per round
  6. 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
    (27)
    $143.99 $101.99 Save $42.00 ($0.51 per round)
  7. Hornady Custom .223 Remington Ammo 55gr FMJBT 50 Rounds
    Hornady Custom .223 Remington Ammo 55gr FMJBT 50 Rounds
    (12)
    $55.99 $23.99 Save $32.00 ($0.48 per round)
  8. PMC Bronze .223 Remington Ammo 55gr PSP
    PMC Bronze .223 Remington Ammo 55gr PSP
    (9)
    $16.99 $679.99 $10.49 $424.99 Save $255.00 $0.52 $0.53 per round
  9. Hornady Frontier Cartridge .223 Remington Ammo 55gr HP Match
    Hornady Frontier Cartridge .223 Remington Ammo 55gr HP Match
    (12)
    $17.99 $148.99 $11.49 $73.99 Save $75.00 $0.49 $0.57 per round
  13. 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
  17. Barnes .223 Remington Ammo 55gr JHPBT
    Barnes .223 Remington Ammo 55gr JHPBT
    (10)
    $24.99 $219.99 $13.49 $179.99 Save $40.00 $0.67 $0.72 per round
  20. Hornady Superformance 5.56 NATO Ammo 55gr CX 20 Rounds
    Hornady Superformance 5.56 NATO Ammo 55gr CX 20 Rounds
    (1)
    $39.99 $25.99 Save $14.00 ($1.30 per round)
Filter