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  1. Aguila 3 items
  2. American Tactical Imports 10 items
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  5. Estate Cartridge Company 4 items
  6. Federal Ammunition 64 items
  7. Fiocchi Ammunition 7 items
  8. Hornady 15 items
  9. Kent Cartridge 76 items
  10. Panzer Arms 2 items
  11. Remington 4 items
  12. Rio Shotshells 7 items
  13. Rogue Ammunition 18 items
  14. Sellier & Bellot 3 items
  15. Winchester 4 items
Caliber
  1. 12 Gauge 157 items
  2. 16 Gauge 2 items
  3. 20 Gauge 37 items
  4. 28 Gauge 13 items
  5. 410 Gauge 13 items
Shot Size
  1. 00 (Buck) 15 items
  2. 000 (Buck) 1 item
  3. 1 (Steel) 4 items
  4. 2 & 4 (Steel) 4 items
  5. 2 (Steel) 11 items
  6. 3 & 5 (Steel) 2 items
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  9. 4 (Buck) 3 items
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  11. 4 (Steel) 10 items
  12. 5 (Lead) 13 items
  13. 5 (Steel) 4 items
  14. 6 & 8 (Lead) 1 item
  15. 6 (Lead) 14 items
  16. 6 (Steel) 13 items
  17. 7 (Steel) 5 items
  18. 7.5 (Lead) 26 items
  19. 7.5 (Steel) 5 items
  20. 8 (Lead) 17 items
  21. 8/9 (Steel) 4 items
  22. 9 (Lead) 5 items
  23. 9 (Steel) 6 items
  24. 9.5 (Steel) 2 items
  25. 10 (Steel) 2 items
  26. BB & 2 (Steel) 2 items
  27. BB & 7 (Steel) 1 item
  28. BB (Lead) 1 item
  29. BB (Steel) 8 items
  30. BBB (Buck) 1 item
  31. BBB (Steel) 2 items
  32. Rifled Slug 10 items
  33. Sabot Slug 8 items
Material
  1. Brass 107 items
  2. Brass / Steel 1 item
  3. Brass-Plated Steel 10 items
  4. Copper 4 items
  5. Lead 1 item
  6. Nickel 57 items
  7. Nickel-Plated Brass 40 items
Bullet Weight
  1. 1 1/16 Oz. 4 items
  2. 1 1/2 Oz. 13 items
  3. 1 1/4 Oz. 32 items
  4. 1 1/5 Oz. 1 item
  5. 1 1/8 Oz. 38 items
  6. 1 3/16 Oz 1 item
  7. 1 3/4 Oz. 4 items
  8. 1 3/8 Oz. 13 items
  9. 1 5/8 Oz. 6 items
  10. 1 7/8 Oz 2 items
  11. 1 Oz. 38 items
  12. 1/2 Oz. 1 item
  13. 1/3 Oz. 1 item
  14. 1/4 Oz. 1 item
  15. 2 1/2 Oz 3 items
  16. 2 1/4 Oz. 4 items
  17. 2 Oz. 1 item
  18. 3/4 Oz. 7 items
  19. 3/8 Oz. 2 items
  20. 5/8 Oz. 3 items
  21. 7/8 Oz. 16 items
  22. 11/16 Oz. 4 items
  23. 27/32oz 3 items
  24. 250 Grain 4 items
  25. 300 Grain 3 items
  26. 325 Grain 1 item
  27. 438 Grain 2 items
Muzzle Velocity
  1. 750 FPS 1 item
  2. 900 FPS 1 item
  3. 1038 FPS 3 items
  4. 1090 FPS 2 items
  5. 1100 FPS 4 items
  6. 1140 FPS 1 item
  7. 1145 FPS 6 items
  8. 1150 FPS 4 items
  9. 1167 FPS 2 items
  10. 1175 FPS 4 items
  11. 1180 FPS 7 items
  12. 1181 FPS 1 item
  13. 1190 FPS 3 items
  14. 1200 FPS 12 items
  15. 1210 FPS 5 items
  16. 1214 FPS 1 item
  17. 1215 FPS 1 item
  18. 1220 FPS 1 item
  19. 1235 FPS 1 item
  20. 1250 FPS 8 items
  21. 1255 FPS 3 items
  22. 1260 FPS 2 items
  23. 1275 FPS 1 item
  24. 1280 FPS 1 item
  25. 1285 FPS 1 item
  26. 1290 FPS 5 items
  27. 1295 FPS 1 item
  28. 1300 FPS 18 items
  29. 1310 FPS 1 item
  30. 1325 FPS 7 items
  31. 1330 FPS 5 items
  32. 1345 FPS 5 items
  33. 1350 FPS 17 items
  34. 1375 FPS 2 items
  35. 1400 FPS 10 items
  36. 1415 FPS 3 items
  37. 1450 FPS 12 items
  38. 1470 FPS 1 item
  39. 1475 FPS 3 items
  40. 1500 FPS 16 items
  41. 1550 FPS 13 items
  42. 1560 FPS 6 items
  43. 1575 FPS 1 item
  44. 1600 FPS 6 items
  45. 1635 FPS 4 items
  46. 1640 FPS 1 item
  47. 1650 FPS 1 item
  48. 1800 FPS 2 items
  49. 1825 FPS 1 item
  50. 1850 FPS 1 item
  51. 1950 FPS 1 item
  52. 2000 FPS 1 item
Applications
  1. Defensive 14 items
  2. Hunting 168 items
  3. Target 40 items
Round Count
  1. 5 37 items
  2. 10 16 items
  3. 20 1 item
  4. 25 163 items
  5. 100 6 items
  6. 200 3 items
Inventory
  1. In Stock 168 items
  2. Out of Stock 54 items
Customer Rating
  1. 5
    49 items
  2. 4
    & up     65 items
  3. 3
    & up     66 items
  4. 2
    & up     67 items
  5. 1
    & up     68 items

Shotgun Ammo for Sale

Shop Shotgun Ammo Online — 12 Gauge, 20 Gauge, .410 & More

Looking for the best shotgun ammo for hunting, sport shooting, or home defense? GunMag Warehouse makes it easy to buy shotgun ammo online at unbeatable prices, with a huge selection of gauges and brands in stock and ready to ship. From 12 gauge and 20 gauge ammo to hard-to-find .410 shotgun shells, we’ve got you covered.

Quickly narrow down our selection by gauge, brand, load type, or application — whether you’re stocking up for a hunting trip, searching for bulk shotgun ammo, or need the best home defense shotgun ammunition.

We carry a full lineup of trusted names like Rio Shotshells, Panzer Arms, Federal Ammunition, and Hornady with options for buckshot, birdshot, and slugs in a variety of gauges. Popular choices include:

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  10. Federal Top Gun 2.75" 28 Gauge Ammo 3/4oz #9 Shot 25 Shells
    Federal Top Gun 2.75" 28 Gauge Ammo 3/4oz #9 Shot 25 Shells
    $19.99 $14.99 Save $5.00 ($0.60 per round)
  16. Federal Top Gun 2.75" 12 Gauge Ammo 1 1/8oz #7.5 Shot
    Federal Top Gun 2.75" 12 Gauge Ammo 1 1/8oz #7.5 Shot
    (56)
    $10.99 $48.99 $9.99 $35.99 Save $13.00 $0.36 $0.40 per round
  23. ATI 2.50" .410 Gauge Ammo 1/3oz BBB Buckshot 25 Shells
    ATI 2.50" .410 Gauge Ammo 1/3oz BBB Buckshot 25 Shells
    (6)
    $29.99 $22.49 Save $7.50 ($0.90 per round)
  27. Federal Top Gun 2.75" 12 Gauge Ammo 1 1/8oz #8 Shot
    Federal Top Gun 2.75" 12 Gauge Ammo 1 1/8oz #8 Shot
    (4)
    $12.99 $37.99 $7.99 $37.99 Save $5.00 $0.32 $0.38 per round
  38. Kent Cartridge Fasteel+ 3" 20 Gauge Ammo 1oz #4 and #6 Shot 25 Shells
    Kent Cartridge Fasteel+ 3" 20 Gauge Ammo 1oz #4 and #6 Shot 25 Shells
    Rebate Available
    $30.99 $22.99 Save $8.00 ($0.92 per round)
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Frequently Asked Questions

What Does Gauge Mean in Shotguns?

Like caliber, gauge refers to the size of the firearm’s chamber and ammunition, but it works slightly differently. Whereas caliber measures the bore’s size in inches, shotgun gauge shows how many lead balls with the same diameter as the bore it would take to equal one pound of lead.

A higher gauge means a smaller bore, as a pound of lead divided into 20 would result in smaller pieces than dividing a pound into 12. As such, 12 gauge shotguns have a larger barrel than 20 gauge shotguns, and by the same token, 12 gauge shells are bigger in diameter.

The one notable exception is .410 bore, which follows the same conventions as caliber. Shotguns chambered in .410 bore have a .41-inch barrel diameter, and this is the only shotgun ammo size designated this way.

What’s the Best Shotgun Ammo for Home Defense?

Most shooters would agree that the 12 gauge is the best shotgun ammo for home defense. In addition to being widely available, it offers a good balance between stopping power and controllability.

Larger options will send more lead toward your target, which may increase their effectiveness, but it can also mean more collateral damage. Some argue that the smaller 20 gauge works well for self-defense because it produces less recoil, but keep in mind that it will deliver a smaller payload.

When shopping for defensive ammo, you should also keep shot size in mind. Regardless of your gauge, 00 buckshot is a solid option that balances stopping power with a manageable spread.

What Is the Best Shotgun Ammo for Hunting?

The best shotgun ammo for hunting depends on what kind of game you’re after. As you might expect, the ever-popular 12 gauge is a good all-around pick, ideal for medium-sized game like deer. Bird hunters often prefer smaller 28 gauge or 20 gauge shotshells, as they’ll kick less but are still enough to take down smaller prey.

If you’re hunting squirrels or other small game, .410 bore may be the way to go. These are also a favorite for taking care of pests like snakes and moles without causing much damage to the surrounding area.