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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. Prvi Partizan 223 Ammo - 20 Rounds of 55 Grain SP Ammunition

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    $15.99
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    113 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type SP
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Energy 1283 ft lbs

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

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    $19.49
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    77 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

  3. Black Hills Ammunition 223 Ammo - 50 Rounds of 40 Grain V-MAX Ammunition

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    $62.99
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    13 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type V-MAX
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3600 FPS
    Muzzle Energy 1151 ft lbs
    • 50 Rounds
    • $1.26 per round
    • Made by Black Hills Ammunition

  4. Black Hills Ammunition 223 Ammo - 50 Rounds of 68 Grain Heavy Match HP Ammunition

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    $62.99
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    11 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HP
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2850 FPS
    Muzzle Energy 1226 ft lbs
    • 50 Rounds
    • $1.26 per round
    • Made by Black Hills Ammunition

  5. Black Hills Ammunition 223 Ammo - 50 Rounds of 50 Grain V-Max Ammunition

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    $64.99
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    17 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type V-MAX
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3300 FPS
    Muzzle Energy 1209 ft lbs
    • 50 Rounds
    • $1.3 per round
    • Made by Black Hills Ammunition

  6. Black Hills Ammunition 223 Ammo - 50 Rounds of 75 Grain HP Ammunition

    Image of Black Hills Ammunition 223 Ammo - 50 Rounds of 75 Grain HP Ammunition
    $64.99
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    11 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type HP
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2750 FPS
    Muzzle Energy 1259 ft lbs
    • 50 Rounds
    • $1.3 per round
    • Made by Black Hills Ammunition

  7. Black Hills Ammunition 5.56x45 Ammo - 50 Rounds of 69 Grain OTM Ammunition

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    $73.99
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    12 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type OTM
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2875 FPS
    Muzzle Energy 1266 ft lbs
    • 50 Rounds
    • $1.48 per round
    • Made by Black Hills Ammunition

  8. Black Hills Ammunition 5.56x45 Ammo - 50 Rounds of 77 Grain OTM Ammunition

    Image of Black Hills Ammunition 5.56x45 Ammo - 50 Rounds of 77 Grain OTM Ammunition
    $81.99

    1 Review

    49 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type OTM
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2750 FPS
    Muzzle Energy 1293 ft lbs
    • 50 Rounds
    • $1.64 per round
    • Made by Black Hills Ammunition

  9. Black Hills Ammunition 5.56 Ammo - 50 Rounds of 62 Grain Barnes TSX Ammunition

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    $97.99
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    80 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type TSX
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3000 FPS
    Muzzle Energy 1239 ft lbs
    • 50 Rounds
    • $1.96 per round
    • Made by Black Hills Ammunition

  10. Black Hills Ammunition 5.56x45 Ammo - 50 Rounds of 62 Grain Dual Performance Ammunition

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    $103.99
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    25 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type SCHP
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3000 FPS
    Muzzle Energy 1239 ft lbs
    • 50 Rounds
    • $2.08 per round
    • Made by Black Hills Ammunition

  11. Black Hills Ammunition 5.56x45 Ammo - 50 Rounds of 50 Grain TSX Ammunition

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    $104.99
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    43 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type TSX
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3275 FPS
    Muzzle Energy 1191 ft lbs
    • 50 Rounds
    • $2.1 per round
    • Made by Black Hills Ammunition

  12. Black Hills Ammunition 223 Ammo - 50 Rounds of 55 Grain TSX Ammunition

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    $109.99
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    43 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type TSX
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3200 FPS
    Muzzle Energy 1250 ft lbs
    • 50 Rounds
    • $2.2 per round
    • Made by Black Hills Ammunition

  13. Prvi Partizan 223 Ammo - 1000 Rounds of 69 Grain HPBT Ammunition

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    $759.99
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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 2855 FPS
    Muzzle Energy 1249 ft lbs

  14. Black Hills 5.56x45 Ammo - 460 Rounds of 77 Grain OTM Mk 262 MOD 1-C Ammunition in Ammo Can

    Image of Black Hills 5.56x45 Ammo - 460 Rounds of 77 Grain OTM Mk 262 MOD 1-C Ammunition in Ammo Can
    $785.99
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    39 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type OTM
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2750 FPS
    Muzzle Energy 1293 ft lbs
    • 460 Rounds
    • $1.71 per round
    • Made by Black Hills Ammunition

  15. Black Hills Ammunition 5.56x45 Ammo - 500 Rounds of 77 Grain OTM Ammunition

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    $799.99
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    11 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type OTM
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2750 FPS
    Muzzle Energy 1293 ft lbs
    • 500 Rounds
    • $1.6 per round
    • Made by Black Hills Ammunition

  16. Black Hills Ammunition 5.56x45 Ammo - 500 Rounds of 50 Grain TSX Ammunition

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    $949.99
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    1 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type TSX
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3275 FPS
    Muzzle Energy 1191 ft lbs
    • 500 Rounds
    • $1.9 per round
    • Made by Black Hills Ammunition

  17. Black Hills Ammunition 5.56x45 Ammo - 500 Rounds of 62 Grain TSX Ammunition

    Image of Black Hills Ammunition 5.56x45 Ammo - 500 Rounds of 62 Grain TSX Ammunition
    $949.99

    1 Review

    5 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type TSX
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3000 FPS
    Muzzle Energy 1239 ft lbs
    • 500 Rounds
    • $1.9 per round
    • Made by Black Hills Ammunition

  18. Black Hills Ammunition 5.56x45 Ammo - 500 Rounds of 62 Grain Dual Performance Ammunition

    Image of Black Hills Ammunition 5.56x45 Ammo - 500 Rounds of 62 Grain Dual Performance Ammunition
    $999.99
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    1 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type Dual Performance
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3000 FPS
    Muzzle Energy 1239 ft lbs
    • 500 Rounds
    • $2 per round
    • Made by Black Hills Ammunition

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.
  • PMC 5.56 ammo: Budget-friendly performance with trusted FMJ and X-TAC loads.

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 TulAmmo Ammunition
TulAmmo 223 Ammo - 1000 Rounds of 75 Grain HP Ammunition
based on the 4 reviews below
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  • Paul T. said:

    Great ordering process and phone check for delivery, ammunition worked well. I had no jams or mis-feeds during range Clean shots on target at 100 yards with my AR. Cleaning was easy with minimum carbon buildup.

  • Willy said:

    As long as you keep your gun clean, this ammo is the best as far as value goes. Hit targets with no issue at 300 yds out of my AR. Will definitely order again!

  • Jay said:

    Great ammo! No issues CANT GO WRONG WITH THIS AMMO! I worn you to clean your rifle ever two or three hundred round. Other than that it is great!!!

  • Dee said:

    This Ammo is great for the way I use it..I shot mostly on the range to 100yd. It shots clean and I never had a misfire and I used many 1000s of rounds using this Ammo. Also the price is very affordable if you shot a lot like I do. Happy shooting hope for BULLSEYE. Dee

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Click To Purchase This 223 TulAmmo Ammunition
TulAmmo 223 Ammo - 1000 Rounds of 55 Grain FMJ Ammunition
based on the 3 reviews below
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  • William said:

    I bought 1k rounds of steel cased .223 and it arrived in less than 48 hours. I know you aren’t “supposed” to shoot steel cased out of an ar15, but after about 500 rounds I’ve experienced zero problems. It’s hard to beat 35 cents per round.

  • WOLFMAN JACK said:

    Nothing wrong with this ammo, shots straight, and on target. !!!!!!

  • Marvelous said:

    Next time I buy ammo I will return!

Click To Purchase This 5.56x45 Prvi Partizan Ammunition
Prvi Partizan Rangemaster 5.56x45 Ammo - 500 Rounds of 55 Grain FMJBT Ammunition
based on the 3 reviews below
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  • Kenny said:

    So far I probably used 100 150 rounds. No problems with the ammo at all.

  • anthgrge said:

    Full metal jacket "brass shells" neatly packed easy to carry in convenient carry canisters. Great shot at the range.

  • Jeremy said:

    Great rounds no defects and great bang for the buck

Click To Purchase This 5.56x45 Prvi Partizan Ammunition
Prvi Partizan 5.56x45 Ammo - 20 Rounds of 55 Grain FMJBT M193 Ammunition (Label Says 223; Ammo Is Confirmed 5.56 M193)
based on the 2 reviews below
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  • Karl said:

    For the price I'd say a good purchase. Out of 200 rounds maybe around 15-20 rounds that I'd assume had bad primers and didn't fire.

  • BWalter82 said:

    This ammo is clean firing, accurate to 2 moa, and I never had a problem in any of my rifles; probably the "best bang" for the buck out there!

Click To Purchase This 223 TulAmmo Ammunition
TulAmmo 223 Ammo - 1000 Rounds of 55 Grain HP Ammunition
based on the 1 review below
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  • David said:

    I ordered this ammo on a Monday and it was at my door on Friday! Considering that it had to be shipped four states away that is FAST shipping. I also like the fact that Ammo.com donates a portion of every sale to pro gun institutions. This is now my number one "go to" source for ammo.

Click To Purchase This 223 TulAmmo Ammunition
TulAmmo 223 Ammo - 1000 Rounds of 62 Grain FMJ Ammunition
based on the 1 review below
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  • Bedwetter said:

    Love this ammo have bought this 2x and have no problem with it In an AR 15 loads good no misfires or FFEX FFFR FFLD cleans up well and have no problem with it

Click To Purchase This 223 TulAmmo Ammunition
TulAmmo 223 Ammo - 40 Rounds of 55 Grain FMJ Ammunition
based on the 1 review below
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  • JayG said:

    I've been using Tula in my XDM .45 for plinking and have had no issues so I thought I'd give these a try, but the Tula .223 Rem 55gr malfunctions VERY often in my modern sporting rifle. Every 2-4 rounds caused a failure to eject/cycle, or double feed. I've had NO issues with brass in the same rifle. Not worth the pennies saved, I won't be buying Tula .223 again or even finishing the rounds I bought.

Click To Purchase This 5.56x45 Prvi Partizan Ammunition
Prvi Partizan Rangemaster 5.56x45 Ammo - 20 Rounds of 55 Grain FMJBT Ammunition
based on the 1 review below
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  • JRL said:

    I got 1000 rounds of this. Just shot it today and it consistently chronos 100fps slower than advertised. NOT HAPPY AT ALL. Order another brand if you want full power ammo.

Click To Purchase This 5.56x45 Black Hills Ammunition Ammunition
Black Hills Ammunition 5.56x45 Ammo - 50 Rounds of 77 Grain OTM Ammunition
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  • THL said:

    Took it out in my tavor, with a 14x primary arms scope, shoots about 2 MOA off of a bench in quick fire. Not too shabby for a HD OTM round rather than the match BTHP rounds

Click To Purchase This 5.56x45 Black Hills Ammunition Ammunition
Black Hills Ammunition 5.56x45 Ammo - 500 Rounds of 62 Grain TSX Ammunition
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  • edward said:

    We fired over 300 rds on the range from 15 to 100 yards. The Black Hills 556 and 223 is absolutely the finest rifle ammo our agency ever used. It will save your life if ever in a gun battle with bad guys.