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AR15 Ammo For Sale

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Your AR-15 is only as good as the ammo you feed it. Whether you're training, hunting, or stocking up, we've got reliable 223 Rem and 5.56 NATO rounds in stock and ready to ship. Learn More
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  1. Federal Tactical TRU 223 Ammo - 500 Rounds of 55 Grain GameKing HPBT Ammunition

    Image of Federal Tactical TRU 223 Ammo - 500 Rounds of 55 Grain GameKing HPBT Ammunition
    $449.99
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    14 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3220 FPS
    Muzzle Energy 1266 ft lbs
    • 500 Rounds
    • 90¢ per round
    • Made by Federal

  2. Hornady Frontier 5.56x45 Ammo - 500 Rounds of 75 Grain BTHP Match Ammunition

    Image of Hornady Frontier 5.56x45 Ammo - 500 Rounds of 75 Grain BTHP Match Ammunition

    $369.99

    $349.99

    1 Review

    85 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2910 FPS
    Muzzle Energy 1410 ft lbs
    • 500 Rounds
    • 70¢ per round
    • Made by Hornady

  3. Hornady Frontier 223 Ammo - 500 Rounds of 68 Grain BTHP Match Ammunition

    Image of Hornady Frontier 223 Ammo - 500 Rounds of 68 Grain BTHP Match Ammunition
    $318.99
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    16 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2960 FPS
    Muzzle Energy 1323 ft lbs
    • 500 Rounds
    • 63.8¢ per round
    • Made by Hornady

  4. Hornady 223 Ammo - 200 Rounds of 75 Grain HPBT Ammunition

    Image of Hornady 223 Ammo - 200 Rounds of 75 Grain HPBT Ammunition
    $289.99
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    7 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2930 FPS
    Muzzle Energy 1429 ft lbs
    • 200 Rounds
    • $1.45 per round
    • Made by Hornady

  5. Hornady 5.56x45 Ammo - 200 Rounds of 75 Grain HPBT Ammunition

    Image of Hornady 5.56x45 Ammo - 200 Rounds of 75 Grain HPBT Ammunition
    $264.99
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    6 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2910 FPS
    Muzzle Energy 1410 ft lbs
    • 200 Rounds
    • $1.32 per round
    • Made by Hornady

  6. Hornady BLACK 223 Ammo - 200 Rounds of 75 Grain BTHP Match Ammunition

    Image of Hornady BLACK 223 Ammo - 200 Rounds of 75 Grain BTHP Match Ammunition
    $199.99
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    31 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2790 FPS
    Muzzle Energy 1296 ft lbs
    • 200 Rounds
    • $1 per round
    • Made by Hornady

  7. Federal Gold Medal Berger 223 Ammo - 20 Rounds of 73 Grain HPBT Ammunition

    Image of Federal Gold Medal Berger 223 Ammo - 20 Rounds of 73 Grain HPBT Ammunition
    $29.99
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    14 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2800 FPS
    Muzzle Energy 1271 ft lbs
    • 20 Rounds
    • $1.5 per round
    • Made by Federal

  8. Hornady 223 Ammo - 20 Rounds of 75 Grain HPBT Ammunition

    Image of Hornady 223 Ammo - 20 Rounds of 75 Grain HPBT Ammunition
    $27.99
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    61 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2790 FPS
    Muzzle Energy 1296 ft lbs
    • 20 Rounds
    • $1.4 per round
    • Made by Hornady

  9. Hornady 223 Ammo - 20 Rounds of 75 Grain HPBT Ammunition

    Image of Hornady 223 Ammo - 20 Rounds of 75 Grain HPBT Ammunition
    $25.99
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    2 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2930 FPS
    Muzzle Energy 1429 ft lbs
    • 20 Rounds
    • $1.3 per round
    • Made by Hornady

  10. Fiocchi 223 Ammo - 20 Rounds of 69 Grain HPBT Ammunition

    Image of Fiocchi 223 Ammo - 20 Rounds of 69 Grain HPBT Ammunition
    $25.99
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    25 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2735 FPS
    Muzzle Energy 1146 ft lbs
    • 20 Rounds
    • $1.3 per round
    • Made by Fiocchi

  11. Winchester 223 Ammo - 20 Rounds of 69 Grain HPBT Ammunition

    Image of Winchester 223 Ammo - 20 Rounds of 69 Grain HPBT Ammunition
    $25.99
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    7 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3060 FPS
    Muzzle Energy 1434 ft lbs

  12. Hornady BLACK 223 Ammo - 20 Rounds of 75 Grain BTHP Match Ammunition

    Image of Hornady BLACK 223 Ammo - 20 Rounds of 75 Grain BTHP Match Ammunition
    $21.99
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    18 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2790 FPS
    Muzzle Energy 1296 ft lbs
    • 20 Rounds
    • $1.1 per round
    • Made by Hornady

  13. Prvi Partizan 223 Ammo - 20 Rounds of 75 Grain HPBT Ammunition

    Image of Prvi Partizan 223 Ammo - 20 Rounds of 75 Grain HPBT Ammunition
    $19.49
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    110 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2723 FPS
    Muzzle Energy 1234 ft lbs

  14. Hornady Frontier 5.56x45 Ammo - 20 Rounds of 75 Grain BTHP Match Ammunition

    Image of Hornady Frontier 5.56x45 Ammo - 20 Rounds of 75 Grain BTHP Match Ammunition
    $17.99

    1 Review

    81 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2910 FPS
    Muzzle Energy 1410 ft lbs
    • 20 Rounds
    • 89.9¢ per round
    • Made by Hornady

  15. Hornady Frontier 223 Ammo - 20 Rounds of 68 Grain BTHP Match Ammunition

    Image of Hornady Frontier 223 Ammo - 20 Rounds of 68 Grain BTHP Match Ammunition
    $16.99
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    41 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HPBT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2960 FPS
    Muzzle Energy 1323 ft lbs
    • 20 Rounds
    • 84.9¢ per round
    • Made by Hornady

Overview of AR15 Ammo

Whether you run a 223 Remington or 5.56 in your AR‑15, choosing ammo that matches your barrel twist and mission is critical. This category offers everything from lightweight 55‑grain plinking rounds to high‑performance 77‑grain match-grade and polymer-tipped hunting loads. Begin browsing or stock up with confidence — our bulk AR-15 ammo page has you covered for practice or protection.

Looking for volume? Shop our 223 bulk ammo or 5.56 bulk deals to save while topping off your range bag.

Top Brand Picks for AR‑15 Shooters

  • Hornady 5.56 ammo: Ideal for hunters and long-range shooters with options like the .223 VARMAGEDDON and 77‑grain BTHP match loads.
  • Hornady 223 ammo: Home defense and critical duty rounds like Critical Duty, plus accurate Match 75‑grain .223 loads.
  • Federal 223 ammo: Availability you can count on, with popular 55‑grain XM193-type and 77‑grain Sierra MatchKing rounds.
  • Federal 5.56 ammo: Battle-grade performance with dependable loads like Green Tip and Gold Medal Match.

Ballistics at a Glance

Understanding trajectory and energy can help you pick the right round for your AR setup. For detailed velocity, drop, and energy charts, check out our 223 ballistics tables and 5.56 ballistics tables. These breakdowns highlight how heavy bullets retain energy further versus lighter, faster rounds.

Sam Jacobs
Written by
Sam Jacobs

Customer Reviews

Click To Purchase This 5.56x45 Hornady Ammunition
Hornady Frontier 5.56x45 Ammo - 500 Rounds of 75 Grain BTHP Match Ammunition
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  • Zachary said:

    Works great out of my 11.5" bcm and my 18" 1:8 twist barrel consistent groups and no issues.

Click To Purchase This 5.56x45 Hornady Ammunition
Hornady Frontier 5.56x45 Ammo - 20 Rounds of 75 Grain BTHP Match Ammunition
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  • CAP said:

    Great ammo, Accurate, shot 11/2” Group at 300yrds