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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. Winchester USA 223 Ammo - 20 Rounds of 55 Grain FMJ Ammunition

    Image of Winchester USA 223 Ammo - 20 Rounds of 55 Grain FMJ Ammunition
    $13.99
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    136 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3240 FPS
    Muzzle Energy 1282 ft lbs

  2. Armscor USA 223 Ammo - 20 Rounds of 55 Grain PSP Ammunition

    Image of Armscor USA 223 Ammo - 20 Rounds of 55 Grain PSP Ammunition
    $13.99
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    96 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type PSP
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3100 FPS
    Muzzle Energy 1174 ft lbs
    • 20 Rounds
    • 69.9¢ per round
    • Made by Armscor

  3. Armscor 223 Ammo - 20 Rounds of 62 Grain FMJ-BT Ammunition

    Image of Armscor 223 Ammo - 20 Rounds of 62 Grain FMJ-BT Ammunition
    $13.50

    1 Review

    123 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ-BT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3050 FPS
    Muzzle Energy 1281 ft lbs
    • 20 Rounds
    • 67.5¢ per round
    • Made by Armscor

  4. Remington 223 Ammo - 20 Rounds of 55 Grain FMJ Ammunition

    Image of Remington 223 Ammo - 20 Rounds of 55 Grain FMJ Ammunition
    $12.99

    2 Reviews

    96 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3240 FPS
    Muzzle Energy 1282 ft lbs
    • 20 Rounds
    • 64.9¢ per round
    • Made by Remington

  5. Federal American Eagle 223 Ammo - 20 Rounds of 75 Grain TMJ Ammunition

    Image of Federal American Eagle 223 Ammo - 20 Rounds of 75 Grain TMJ Ammunition
    $12.99
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    98 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type TMJ
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2775 FPS
    Muzzle Energy 1282 ft lbs
    • 20 Rounds
    • 64.9¢ per round
    • Made by Federal

  6. PMC 223 Ammo - 20 Rounds of 55 Grain FMJ-BT Ammunition

    Image of PMC 223 Ammo - 20 Rounds of 55 Grain FMJ-BT Ammunition
    $12.35

    4 Reviews

    100 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ-BT
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2900 FPS
    Muzzle Energy 1027 ft lbs
    • 20 Rounds
    • 61.7¢ per round
    • Made by PMC

  7. Wolf 223 Ammo - 20 Rounds of 55 Grain FMJ Ammunition

    Image of Wolf 223 Ammo - 20 Rounds of 55 Grain FMJ Ammunition
    $12.00
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    99 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Berdan
    Casing Type Steel
    Condition New
    Muzzle Velocity 3241 FPS
    • 20 Rounds
    • 60¢ per round
    • Made by Wolf

  8. Patriot Sports 223 Ammo - 20 Rounds of 55 Grain FMJ Ammunition

    Image of Patriot Sports 223 Ammo - 20 Rounds of 55 Grain FMJ Ammunition
    $11.49
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    136 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3281 FPS
    Muzzle Energy 1315 ft lbs
    • 20 Rounds
    • 57.4¢ per round
    • Made by Patriot Sports
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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 223 Armscor Ammunition
Armscor 223 Ammo - 20 Rounds of 62 Grain FMJ-BT Ammunition
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  • RUINED MY PISTOL said:

    I bought this ammo brand. It has ruined my barrel of my pistol!!!!!!!!!!

Click To Purchase This 223 Remington Ammunition
Remington 223 Ammo - 20 Rounds of 55 Grain FMJ Ammunition
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  • beetle said:

    CANT GO WRONG WITH THIS AMMO

  • ammo said:

    remington did it again with another great ammo and ammo.com low price you can't bet it.

Click To Purchase This 223 PMC Ammunition
PMC 223 Ammo - 20 Rounds of 55 Grain FMJ-BT Ammunition
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  • Freakazoid said:

    This ammo is very consistent. Bench firing my Sako .223 I can put three consecutive rounds in a nickle at 100 yds. Love this ammo!

  • Al said:

    As good as Federal and a lot less expensive.......Federal is supposed to be the Cadilac of ammo.....well, PMC is equal if not as good or even better.....I am a user from now on.

  • BonzoDRmc said:

    was my first purchase here, but WILL NOT be my last. great ammo and a even greater price. this seller is highly recomended. the ammo is top notch ammo. shoots clean and very acurate. like i said i WILL be getting more !!!

  • Dave said:

    Exellent value very clean shooting ammo... best choice for the money.

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