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.223 / 5.56

See our in-stock line-up of 223 Remington and 5.56x45 ammo below. 223 and 5.56 are not interchangeable calibers. If your firearm is chambered for 5.56, you're clear to fire either in the rifle. If your firearm is chambered for 223, you should only fire 223 Remington ammo in it.
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1 - 50 of 96

  1. 500rds – 5.56x45 American Quality Ammunition 55gr. FMJ M193 Ammo 500rds – 5.56x45 American Quality Ammunition 55gr. FMJ M193 Ammo
    $246.95
    $0.49/ppr

    33 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  2. 1000rds – 223 Rem PMC 55gr. FMJBT Ammo 1000rds – 223 Rem PMC 55gr. FMJBT Ammo Video
    $494.95
    $0.49/ppr

    ☆☆☆☆☆ 77 Reviews

    46 In Stock

    ☆☆☆☆☆ 77 Reviews

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1027     Casing Type
    Brass     Muzzle Velocity
    2900     Primer Type
    Boxer     Bullet Weight
    55 Grain
    Ballistic Data Available
  3. 540rds – 5.56x45 Old Army 55gr. FMJ M193 Ammo 540rds – 5.56x45 Old Army 55gr. FMJ M193 Ammo
    $269.95
    $0.5/ppr

    31 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  4. 1000rds – 5.56x45 PMC X-TAC 55gr. FMJBT Ammo 1000rds – 5.56x45 PMC X-TAC 55gr. FMJBT Ammo Video
    $508.95
    $0.51/ppr

    ☆☆☆☆☆ 22 Reviews

    44 In Stock

    ☆☆☆☆☆ 22 Reviews

    Bullet type
    Full Metal Jacket Boat Tail (FMJ-BT)     Muzzle Energy
    1189     Casing Type
    Brass     Muzzle Velocity
    3120     Primer Type
    Boxer     Bullet Weight
    55 Grain
  5. 500rds – 223 Rem Federal American Eagle 55gr. FMJBT Ammo 500rds – 223 Rem Federal American Eagle 55gr. FMJBT Ammo Video
    $254.95
    $0.51/ppr

    ☆☆☆☆☆ 1 Review

    56 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Full Metal Jacket Boat Tail (FMJ-BT)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  6. 800rds – 223 Rem Hornady Frontier 55gr. FMJ Ammo 800rds – 223 Rem Hornady Frontier 55gr. FMJ Ammo
    $414.95
    $0.52/ppr

    ☆☆☆☆☆ 1 Review

    47 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  7. 200rds – 223 Rem Hornady Frontier 55gr. FMJ Ammo 200rds – 223 Rem Hornady Frontier 55gr. FMJ Ammo
    $104.95
    $0.52/ppr

    59 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  8. 1000rds – 5.56x45 PMC X-TAC 62gr. FMJ M855 Ammo 1000rds – 5.56x45 PMC X-TAC 62gr. FMJ M855 Ammo Video
    $529.95
    $0.53/ppr

    ☆☆☆☆☆ 65 Reviews

    24 In Stock

    ☆☆☆☆☆ 65 Reviews

    Bullet type
    Penetrator     Muzzle Energy
    1323     Casing Type
    Brass     Muzzle Velocity
    3100     Primer Type
    Boxer     Bullet Weight
    62 Grain
  9. 1000rds – 223 Rem Armscor USA 62gr. PSP Ammo 1000rds – 223 Rem Armscor USA 62gr. PSP Ammo
    $534.95
    $0.53/ppr

    16 In Stock

    Bullet type
    Pointed Soft-Point (PSP)     Muzzle Energy
    1118     Casing Type
    Brass     Muzzle Velocity
    2850     Primer Type
    Boxer     Bullet Weight
    62 Grain
  10. 150rds – 223 Rem Hornady Frontier 55gr. FMJ Ammo 150rds – 223 Rem Hornady Frontier 55gr. FMJ Ammo
    $84.95
    $0.57/ppr

    118 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  11. 20rds – 223 Rem Patriot Sports 55gr. FMJ Ammo 20rds – 223 Rem Patriot Sports 55gr. FMJ Ammo
    $11.45
    $0.57/ppr

    93 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1315     Casing Type
    Brass     Muzzle Velocity
    3281     Primer Type
    Boxer     Bullet Weight
    55 Grain
  12. 200rds - .223 Remington UMC 55gr. FMJ Ammo 200rds - .223 Remington UMC 55gr. FMJ Ammo
    $118.95
    $0.59/ppr

    7 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  13. 20rds - .223 WPA Polyformance 55gr. FMJ Ammo 20rds - .223 WPA Polyformance 55gr. FMJ Ammo
    $12.25
    $0.61/ppr

    ☆☆☆☆☆ 1 Review

    1 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Full Metal Jacket (FMJ)     Casing Type
    Steel     Muzzle Velocity
    3241     Primer Type
    Berdan     Bullet Weight
    55 Grain
  14. 50rds – 223 Rem Fiocchi 62gr. FMJBT Ammo 50rds – 223 Rem Fiocchi 62gr. FMJBT Ammo
    $30.95
    $0.62/ppr

    ☆☆☆☆☆ 6 Reviews

    21 In Stock

    ☆☆☆☆☆ 6 Reviews

    Bullet type
    Full Metal Jacket Boat Tail (FMJ-BT)     Muzzle Energy
    1239     Casing Type
    Brass     Muzzle Velocity
    3000     Primer Type
    Boxer     Bullet Weight
    62 Grain
  15. 20rds – 223 Rem PMC 55gr. FMJBT Ammo 20rds – 223 Rem PMC 55gr. FMJBT Ammo
    $12.50
    $0.62/ppr

    ☆☆☆☆☆ 3 Reviews

    109 In Stock

    ☆☆☆☆☆ 3 Reviews

    Bullet type
    Full Metal Jacket Boat Tail (FMJ-BT)     Muzzle Energy
    1027     Casing Type
    Brass     Muzzle Velocity
    2900     Primer Type
    Boxer     Bullet Weight
    55 Grain
    Ballistic Data Available
  16. 50rds – 223 Rem Fiocchi 55gr. PSP Ammo Fiocchi pointed soft point 223 ammo
    $31.95
    $0.64/ppr

    ☆☆☆☆☆ 1 Review

    55 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Pointed Soft-Point (PSP)     Muzzle Energy
    1274     Casing Type
    Brass     Muzzle Velocity
    3230     Primer Type
    Boxer     Bullet Weight
    55 Grain
  17. 20rds – 223 Rem Remington UMC 55gr. FMJ Ammo 20rds – 223 Rem Remington UMC 55gr. FMJ Ammo Video
    $12.95
    $0.65/ppr

    106 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  18. 20rds - .223 ARMSCOR USA Precision 62gr. FMJ Ammo 20rds - .223 ARMSCOR USA Precision 62gr. FMJ Ammo
    $12.95
    $0.65/ppr

    89 In Stock

    Bullet type
    Full Metal Jacket Boat Tail (FMJ-BT)     Muzzle Energy
    1281     Casing Type
    Brass     Primer Type
    Boxer     Bullet Weight
    62 Grain
  19. 250rds – 5.56x45 American Quality Ammunition 77gr. OTM Ammo 250rds – 5.56x45 American Quality Ammunition 77gr. OTM Ammo

    $174.95

    $164.95

    $0.66/ppr

    ☆☆☆☆☆ 16 Reviews

    48 In Stock

    ☆☆☆☆☆ 16 Reviews

    Bullet type
    Open Tip Match     Muzzle Energy
    1201     Casing Type
    Brass     Muzzle Velocity
    2650     Primer Type
    Boxer     Bullet Weight
    77 Grain
  20. 20rds – 5.56x45 Federal American Eagle 55gr. FMJ Ammo 20rds – 5.56x45 Federal American Eagle 55gr. FMJ Ammo
    $13.45
    $0.67/ppr

    120 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1223     Casing Type
    Brass     Muzzle Velocity
    3165     Primer Type
    Boxer     Bullet Weight
    55 Grain
  21. 20rds - 5.56 PMC X-TAC 55gr. (XP193) Full Metal Jacket Ammo 20rds - 5.56 PMC X-TAC 55gr. (XP193) Full Metal Jacket Ammo
    $13.95
    $0.7/ppr

    ☆☆☆☆☆ 1 Review

    121 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1189     Casing Type
    Brass     Muzzle Velocity
    3120     Primer Type
    Boxer     Bullet Weight
    55 Grain
  22. 20rds – 223 Rem Federal American Eagle 55gr. FMJBT Ammo 20rds – 223 Rem Federal American Eagle 55gr. FMJBT Ammo
    $13.95
    $0.7/ppr

    107 In Stock

    Bullet type
    Full Metal Jacket Boat Tail (FMJ-BT)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  23. 20rds – 223 Rem Armscor USA 55gr. PSP Ammo 20rds – 223 Rem Armscor USA 55gr. PSP Ammo
    $13.95
    $0.7/ppr

    84 In Stock

    Bullet type
    Pointed Soft-Point (PSP)     Muzzle Energy
    1174     Casing Type
    Brass     Muzzle Velocity
    3100     Primer Type
    Boxer     Bullet Weight
    55 Grain
  24. 20rds – 223 Rem Scorpio 55gr. FMJ Ammo 20rds – 223 Rem Scorpio 55gr. FMJ Ammo
    $13.95
    $0.7/ppr

    44 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1288     Casing Type
    Brass     Muzzle Velocity
    3248     Primer Type
    Boxer     Bullet Weight
    55 Grain
  25. 500rds – 223 Rem Hornady Frontier 68gr. BTHP Match Ammo 500rds – 223 Rem Hornady Frontier 68gr. BTHP Match Ammo
    $349.95
    $0.7/ppr

    10 In Stock

    Bullet type
    Hollow-Point Boat Tail (HP-BT)     Muzzle Energy
    1323     Casing Type
    Brass     Muzzle Velocity
    2960     Primer Type
    Boxer     Bullet Weight
    68 Grain
  26. 20rds – 223 Rem Winchester USA 55gr. FMJ Ammo 20rds – 223 Rem Winchester USA 55gr. FMJ Ammo
    $14.00
    $0.7/ppr

    4 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  27. 500rds – 5.56x45 Hornady Frontier 68gr. BTHP Match Ammo 500rds – 5.56x45 Hornady Frontier 68gr. BTHP Match Ammo
    $354.95
    $0.71/ppr

    ☆☆☆☆☆ 1 Review

    8 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Hollow-Point Boat Tail (HP-BT)     Muzzle Energy
    1323     Casing Type
    Brass     Muzzle Velocity
    2960     Primer Type
    Boxer     Bullet Weight
    68 Grain
  28. 20rds - 223 Rem Hornady Frontier 55gr. FMJ Ammo 20rds - 223 Rem Hornady Frontier 55gr. FMJ Ammo
    $14.95
    $0.75/ppr

    129 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  29. 20rds – 223 Rem Hornady Frontier 55gr. HP Match Ammo 20rds – 223 Rem Hornady Frontier 55gr. HP Match Ammo
    $14.95
    $0.75/ppr

    ☆☆☆☆☆ 1 Review

    22 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Hollow Point     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  30. 20rds - 5.56x45 Hornady Frontier 55gr. HP Match Ammo 20rds - 5.56x45 Hornady Frontier 55gr. HP Match Ammo
    $14.95
    $0.75/ppr

    40 In Stock

    Bullet type
    Hollow Point     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  31. 20rds – 5.56x45 Winchester USA 55gr. FMJ M193 Ammo 20rds – 5.56x45 Winchester USA 55gr. FMJ M193 Ammo
    $14.95
    $0.75/ppr

    1 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1235     Casing Type
    Brass     Muzzle Velocity
    3180     Primer Type
    Boxer     Bullet Weight
    55 Grain
  32. 20rds – 5.56x45 Igman 55gr. FMJ M193 Ammo 20rds – 5.56x45 Igman 55gr. FMJ M193 Ammo
    $14.95
    $0.75/ppr

    107 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1235     Casing Type
    Brass     Muzzle Velocity
    3180     Primer Type
    Boxer     Bullet Weight
    55 Grain
  33. 20rds – 223 Rem Armscor USA 62gr. PSP Ammo 20rds – 223 Rem Armscor USA 62gr. PSP Ammo
    $14.95
    $0.75/ppr

    ☆☆☆☆☆ 1 Review

    42 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Pointed Soft-Point (PSP)     Muzzle Energy
    1118     Casing Type
    Brass     Muzzle Velocity
    2850     Primer Type
    Boxer     Bullet Weight
    62 Grain
  34. 20rds – 223 Rem Federal American Eagle 62gr. FMJBT Ammo 20rds – 223 Rem Federal American Eagle 62gr. FMJBT Ammo
    $15.45
    $0.77/ppr

    ☆☆☆☆☆ 2 Reviews

    13 In Stock

    ☆☆☆☆☆ 2 Reviews

    Bullet type
    Full Metal Jacket Boat Tail (FMJ-BT)     Muzzle Energy
    1255     Casing Type
    Brass     Muzzle Velocity
    3020     Primer Type
    Boxer     Bullet Weight
    62 Grain
  35. 20rds - 223 Federal American Eagle AE223G 50gr. JHP Ammo 20rds - 223 Federal American Eagle AE223G 50gr. JHP Ammo
    $15.95
    $0.8/ppr

    49 In Stock

    Bullet type
    Jacketed Hollow-Point (JHP)     Muzzle Energy
    1227     Casing Type
    Brass     Muzzle Velocity
    3325     Primer Type
    Boxer     Bullet Weight
    50 Grain
  36. 20rds - 223 Prvi Partizan 55gr. Soft Point Ammo 20rds - 223 Prvi Partizan 55gr. Soft Point Ammo
    $15.95
    $0.8/ppr

    ☆☆☆☆☆ 1 Review

    84 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Soft-Point (SP)     Muzzle Energy
    1283     Casing Type
    Brass     Primer Type
    Boxer     Bullet Weight
    55 Grain
  37. 20rds - .223 Winchester USA 62gr. FMJ Ammo 20rds - .223 Winchester USA 62gr. FMJ Ammo
    $15.95
    $0.8/ppr

    119 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1323     Casing Type
    Brass     Muzzle Velocity
    3100     Primer Type
    Boxer     Bullet Weight
    62 Grain
  38. 20rds – 5.56x45 Hornady Frontier 68gr. BTHP Match Ammo 20rds – 5.56x45 Hornady Frontier 68gr. BTHP Match Ammo
    $15.95
    $0.8/ppr

    124 In Stock

    Bullet type
    Hollow-Point Boat Tail (HP-BT)     Muzzle Energy
    1323     Casing Type
    Brass     Muzzle Velocity
    2960     Primer Type
    Boxer     Bullet Weight
    68 Grain
  39. 500rds - 5.56x45 Hornady Frontier 75gr. BTHP Match Ammo 500rds - 5.56x45 Hornady Frontier 75gr. BTHP Match Ammo
    $399.95
    $0.8/ppr

    ☆☆☆☆☆ 1 Review

    32 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Hollow-Point Boat Tail (HP-BT)     Muzzle Energy
    1410     Casing Type
    Brass     Muzzle Velocity
    2910     Primer Type
    Boxer     Bullet Weight
    75 Grain
  40. 20rds – 223 Rem Hornady Frontier 68gr. BTHP Match Ammo 20rds – 223 Rem Hornady Frontier 68gr. BTHP Match Ammo
    $16.45
    $0.82/ppr

    ☆☆☆☆☆ 1 Review

    21 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Hollow-Point Boat Tail (HP-BT)     Muzzle Energy
    1323     Casing Type
    Brass     Muzzle Velocity
    2960     Primer Type
    Boxer     Bullet Weight
    68 Grain
  41. 20rds - 5.56x45 Hornady Frontier 75gr. BTHP Match Ammo 20rds - 5.56x45 Hornady Frontier 75gr. BTHP Match Ammo
    $17.95
    $0.9/ppr

    122 In Stock

    Bullet type
    Hollow-Point Boat Tail (HP-BT)     Muzzle Energy
    1410     Casing Type
    Brass     Muzzle Velocity
    2910     Primer Type
    Boxer     Bullet Weight
    75 Grain
  42. 200rds – 5.56x45 Hornady BLACK 62gr. FMJ Ammo 200rds – 5.56x45 Hornady BLACK 62gr. FMJ Ammo
    $183.95
    $0.92/ppr

    4 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1289     Casing Type
    Brass     Muzzle Velocity
    3060     Primer Type
    Boxer     Bullet Weight
    62 Grain
  43. 20rds - .223 Prvi Partizan 75gr. BTHP Match Ammo 20rds - .223 Prvi Partizan 75gr. BTHP Match Ammo
    $18.95
    $0.95/ppr

    ☆☆☆☆☆ 1 Review

    76 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Hollow-Point Boat Tail (HP-BT)     Muzzle Energy
    1234     Casing Type
    Brass     Muzzle Velocity
    2723     Primer Type
    Boxer     Bullet Weight
    75 Grain
  44. 20rds - .223 Winchester Super-X 55gr. Pointed Soft Point Ammo 20rds - .223 Winchester Super-X 55gr. Pointed Soft Point Ammo
    $18.95
    $0.95/ppr

    ☆☆☆☆☆ 1 Review

    125 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Jacketed Soft-Point (JSP)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  45. 20rds - 223 Winchester Varmint-X 40gr. Polymer Tip Ammo 20rds - 223 Winchester Varmint-X 40gr. Polymer Tip Ammo
    $18.95
    $0.95/ppr

    127 In Stock

    Bullet type
    Polymer Tipped     Muzzle Energy
    1151     Casing Type
    Brass     Muzzle Velocity
    3600     Primer Type
    Boxer     Bullet Weight
    40 Grain
  46. 20rds – 223 Rem Hornady BLACK 62gr. FMJ Ammo 20rds – 223 Rem Hornady BLACK 62gr. FMJ Ammo
    $18.95
    $0.95/ppr

    2 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1323     Casing Type
    Brass     Muzzle Velocity
    3100     Primer Type
    Boxer     Bullet Weight
    62 Grain
  47. 20rds - .223 Federal Power-Shok 55gr. SP Ammo 20rds - .223 Federal Power-Shok 55gr. SP Ammo
    $19.45
    $0.97/ppr

    73 In Stock

    Bullet type
    Soft-Point (SP)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
    Ballistic Data Available
  48. 800rds – 223 PMC X-TAC Match 77gr. Sierra MatchKing OTM Ammo 800rds – 223 PMC X-TAC Match 77gr. Sierra MatchKing OTM Ammo
    $789.95
    $0.99/ppr

    2 In Stock

    Bullet type
    Open Tip Match     Muzzle Energy
    1296     Casing Type
    Brass     Muzzle Velocity
    2790     Primer Type
    Boxer     Bullet Weight
    77 Grain
    Ballistic Data Available
  49. 200rds – 223 Rem Hornady BLACK 75gr. BTHP Match Ammo 200rds – 223 Rem Hornady BLACK 75gr. BTHP Match Ammo
    $204.95
    $1.02/ppr

    4 In Stock

    Bullet type
    Hollow-Point Boat Tail (HP-BT)     Muzzle Energy
    1296     Casing Type
    Brass     Muzzle Velocity
    2790     Primer Type
    Boxer     Bullet Weight
    75 Grain
  50. 20rds - 223 Speer 55gr. Gold Dot Duty GDSP Ammo 20rds - 223 Speer 55gr. Gold Dot Duty GDSP Ammo
    $20.95
    $1.05/ppr

    ☆☆☆☆☆ 2 Reviews

    65 In Stock

    ☆☆☆☆☆ 2 Reviews

    Bullet type
    Bonded Soft Point     Muzzle Energy
    1266     Casing Type
    Nickel-Plated Brass     Muzzle Velocity
    3220     Primer Type
    Boxer     Bullet Weight
    55 Grain

1 - 50 of 96

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More resources for AR-15 and other 223 Remington or 5.56x45 shooters! Check out AmmoToGo.com's blog about ammo, guns and shooting.

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More About .223 & 5.56 Ammo

.223 and 5.56x45 ammunition are nearly identical but there are a few subtle differences that may help you decide which caliber is best for you. Generally, if you own an AR-15 or other rifle chambered for 5.56x45, you can safely shoot .223 or 5.56 ammunition in your firearm without any trouble. However, if you own a rifle that's designated for .223, you may not want to shoot 5.56x45 ammo. 5.56 cartridges are loaded to slightly higher pressures than most commercial .223 ammunition.

M855 green tipped 5.56 ammo

M855 vs. M193

Both the M855 and M193 cartridges are popular 5.56x45 loads. The M855 is 62 grain and has a steel core, which can help it penetrate armor slightly better than M193. For more details on the differences, check out this article on our blog about M855 vs. M193.

How Much is 223 Ammo?

Generally speaking, .223 and 5.56x45 ammunition is pretty cheap to shoot compared to other rifle options. You'll save money by buying your ammo in bulk and we carry a huge variety of 1,000 round cases for sale here that'll have you shooting all day. If you need a precision round, look to match-grade ammunition. This ammo is loaded with higher quality components and should give you more accuracy than cheaper, bulk range options.

Steel Cased Ammo vs. Brass Cased

Many shooters prefer to shoot steel-cased .223 ammo because it's cheaper than most brass-cased options for sale. Generally, steel cased ammo works well in AR-15 rifles and you shouldn't have any trouble. Some shooters believe steel cased rounds do lead to more wear and tear on your firearms but depending upon your level of knowledge, you may be able to swap out barrels and other rifle components on your own and the money saved on ammo will make it well worth your time.

Steel-cased ammunition manufactured today is not corrosive and it will not harm your .223 or 5.56x45 chambered firearm outside of regular wear-and-tear that you'd get from thousands of rounds of use.

.223/5.56x45 Bullet Types

Range Use

If you're shooting at the range, we recommend you go with a full metal jacket (FMJ) or full metal jacket boat-tail loaded ammunition. These rounds are typically cheap so you can get in as much training as possible within your budget.

Hunting with .223

Yes, you can hunt with .223 ammo in an AR-15 or other rifle. It's very common to hunt hogs and even whitetail deer with .223 ammunition. If you're going to do so, we suggest picking up ammo loaded with soft point bullets or a more sophisticated, polymer-tipped .223 round. These ammunition options are typically a little more expensive but the more sophisticated projectiles will help bring down game humanely.

Precision Shooting

Look for rounds branded as "match" by the manufacturer. We carry some of the best commercial loads available, featuring Federal Match, Winchester Match, Hornady and Barnes.

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