My Cart ()
Back Close
Filters
Now Shopping by
  1. Material
    Brass
  2. Bullet Weight
    55 Grain
  3. Round Count
    20
Brand
  1. Armscor 1 item
  2. Barnes 2 items
  3. Browning 1 item
  4. Federal Ammunition 3 items
  5. Hornady 8 items
  6. Liberty Ammunition 3 items
  7. Norma 1 item
  8. Nosler 6 items
  9. PMC Ammunition 3 items
  10. PPU 2 items
  11. Remington 1 item
  12. Weatherby 2 items
  13. Winchester 3 items
Caliber
  1. 22 Nosler 1 item
  2. 220 Swift 1 item
  3. 22-250 Remington 3 items
  4. 223 Remington 18 items
  5. 223 WSSM 1 item
  6. 224 Weatherby 2 items
  7. 243 Winchester 1 item
  8. 380 Auto (ACP) 1 item
  9. 5.56mm NATO 7 items
  10. 9mm Luger 1 item
Material
  1. Brass 36 items
  2. Nickel-Plated Brass 2 items
  3. Steel 3 items
Bullet Weight
  1. 20 Grain 3 items
  2. 24 Grain 1 item
  3. 31 Grain 1 item
  4. 32 Grain 3 items
  5. 35 Grain 3 items
  6. 37 Grain 1 item
  7. 40 Grain 5 items
  8. 50 Grain 11 items
  9. 53 Grain 3 items
  10. 55 Grain 36 items
  11. 58 Grain 1 item
  12. 60 Grain 3 items
  13. 62 Grain 15 items
  14. 64 Grain 3 items
  15. 65 Grain 3 items
  16. 68 Grain 2 items
  17. 69 Grain 6 items
  18. 70 Grain 11 items
  19. 72 Grain 2 items
  20. 73 Grain 1 item
  21. 75 Grain 13 items
  22. 77 Grain 5 items
  23. 80 Grain 10 items
  24. 80.5 Grain 1 item
  25. 85 Grain 4 items
  26. 87 Grain 3 items
  27. 88 Grain 2 items
  28. 90 Grain 12 items
  29. 92 Grain 1 item
  30. 95 Grain 7 items
  31. 99 Grain 2 items
  32. 100 Grain 22 items
  33. 103 Grain 2 items
  34. 105 Grain 6 items
  35. 107 Grain 1 item
  36. 108 Grain 2 items
  37. 109 Grain 2 items
  38. 110 Grain 17 items
  39. 111 Grain 1 item
  40. 112 Grain 1 item
  41. 115 Grain 11 items
  42. 117 Grain 3 items
  43. 120 Grain 14 items
  44. 123 Grain 11 items
  45. 124 Grain 10 items
  46. 125 Grain 8 items
  47. 127 Grain 3 items
  48. 128 Grain 1 item
  49. 129 Grain 12 items
  50. 130 Grain 30 items
  51. 131 Grain 1 item
  52. 134 Grain 2 items
  53. 135 Grain 4 items
  54. 138 Grain 1 item
  55. 139 Grain 7 items
  56. 140 Grain 47 items
  57. 142 Grain 4 items
  58. 143 Grain 2 items
  59. 145 Grain 4 items
  60. 146 Grain 1 item
  61. 147 Grain 11 items
  62. 149 Grain 1 item
  63. 150 Grain 87 items
  64. 151 Grain 1 item
  65. 152 Grain 1 item
  66. 154 Grain 6 items
  67. 155 Grain 8 items
  68. 156 Grain 3 items
  69. 160 Grain 14 items
  70. 162 Grain 6 items
  71. 165 Grain 34 items
  72. 168 Grain 18 items
  73. 170 Grain 10 items
  74. 174 Grain 4 items
  75. 175 Grain 13 items
  76. 178 Grain 7 items
  77. 180 Grain 61 items
  78. 185 Grain 6 items
  79. 190 Grain 9 items
  80. 194 Grain 1 item
  81. 195 Grain 3 items
  82. 196 Grain 1 item
  83. 198 Grain 1 item
  84. 200 Grain 30 items
  85. 205 Grain 5 items
  86. 208 Grain 3 items
  87. 210 Grain 10 items
  88. 212 Grain 2 items
  89. 215 Grain 1 item
  90. 220 Grain 9 items
  91. 225 Grain 19 items
  92. 230 Grain 7 items
  93. 235 Grain 1 item
  94. 240 Grain 4 items
  95. 245 Grain 1 item
  96. 250 Grain 12 items
  97. 255 Grain 2 items
  98. 260 Grain 3 items
  99. 262 Grain 1 item
  100. 265 Grain 3 items
  101. 270 Grain 7 items
  102. 280 Grain 1 item
  103. 285 Grain 2 items
  104. 286 Grain 2 items
  105. 300 Grain 27 items
  106. 307 Grain 1 item
  107. 325 Grain 3 items
  108. 350 Grain 1 item
  109. 395 Grain 1 item
  110. 400 Grain 19 items
  111. 405 Grain 1 item
  112. 410 Grain 1 item
  113. 450 Grain 3 items
  114. 480 Grain 2 items
  115. 500 Grain 12 items
  116. 570 Grain 4 items
Muzzle Velocity
  1. 1500 FPS 1 item
  2. 2000 FPS 1 item
  3. 3000 FPS 1 item
  4. 3100 FPS 3 items
  5. 3120 FPS 1 item
  6. 3165 FPS 1 item
  7. 3175 FPS 1 item
  8. 3180 FPS 1 item
  9. 3200 FPS 2 items
  10. 3230 FPS 1 item
  11. 3240 FPS 14 items
  12. 3270 FPS 1 item
  13. 3500 FPS 1 item
  14. 3550 FPS 2 items
  15. 3650 FPS 2 items
  16. 3680 FPS 2 items
  17. 3800 FPS 1 item
  18. 3850 FPS 1 item
Applications
  1. Defensive 4 items
  2. Hunting 18 items
  3. Precision / Match 1 item
  4. Target 13 items
Round Count
  1. 20 36 items
  2. 30 1 item
  3. 50 12 items
  4. 100 2 items
  5. 150 6 items
  6. 180 1 item
  7. 200 6 items
  8. 250 1 item
  9. 300 1 item
  10. 450 1 item
  11. 500 3 items
  12. 800 2 items
  13. 840 1 item
  14. 1000 1 item
Inventory
  1. In Stock 28 items
  2. Out of Stock 8 items
Customer Rating
  1. 5
    7 items
  2. 4
    & up     17 items
  3. 3
    & up     19 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. 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. Hornady Frontier Cartridge .223 Remington Ammo 55gr HP Match
    Hornady Frontier Cartridge .223 Remington Ammo 55gr HP Match
    (14)
    $17.99 $148.99 $11.49 $73.99 Save $75.00 $0.49 $0.57 per round
  7. 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
  8. 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
  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
  14. 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)
  15. 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
  27. Liberty Ammunition Spike .380 Auto Ammo 55gr HP 20 Rounds
    Liberty Ammunition Spike .380 Auto Ammo 55gr HP 20 Rounds
    $45.99 $36.99 Save $9.00 ($1.85 per round)
  28. Liberty Ammunition Spike 9mm Luger Ammo 55gr HP 20 Rounds
    Liberty Ammunition Spike 9mm Luger Ammo 55gr HP 20 Rounds
    $45.99 $36.99 Save $9.00 ($1.85 per round)
  30. 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)
  31. Winchester Super X Rifle .223 Remington Ammo 55gr BTHP 20 Rounds
    Winchester Super X Rifle .223 Remington Ammo 55gr BTHP 20 Rounds
    Out of stock
    $34.99 $19.99 Save $15.00 ($1.00 per round)
  32. Winchester Super-X .223 Remington Ammo 55gr PSP 20 Rounds
    Winchester Super-X .223 Remington Ammo 55gr PSP 20 Rounds
    Out of stock
    $34.99 $23.99 Save $11.00 ($1.20 per round)
  33. 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)
  34. 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)
  35. 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
  36. 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)
Filter