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.223 / 5.56

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21 - 40 of 171

  1. 1000rds - 5.56x45 PMC Battle Pack 55gr. M193 FMJ Ammo 1000rds - 5.56x45 PMC Battle Pack 55gr. M193 FMJ Ammo
    $514.95
    $0.51/ppr

    9 In Stock

    Bullet type
    Full Metal Jacket Boat Tail (FMJ-BT)     Muzzle Energy
    1306     Casing Type
    Brass     Muzzle Velocity
    3270     Primer Type
    Boxer     Bullet Weight
    55 Grain
  2. 600rds – 223 Rem Winchester USA 55gr. FMJ Ammo 600rds – 223 Rem Winchester USA 55gr. FMJ Ammo
    $309.95
    $0.52/ppr

    60 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  3. 840rds – 5.56x45 PMC X-TAC 55gr. FMJBT Ammo in Banodlier in Ammo Can 840rds – 5.56x45 PMC X-TAC 55gr. FMJBT Ammo in Banodlier in Ammo Can
    $434.95
    $0.52/ppr

    48 In Stock

    Bullet type
    Full Metal Jacket Boat Tail (FMJ-BT)     Muzzle Energy
    1306     Casing Type
    Brass     Muzzle Velocity
    3270     Primer Type
    Boxer     Bullet Weight
    55 Grain
  4. 500rds – 223 Federal American Eagle 62gr. FMJ-BT Ammo 500rds – 223 Federal American Eagle 62gr. FMJ-BT Ammo
    $258.95
    $0.52/ppr

    31 In Stock

    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
  5. 500rds - .223 Hornady Brass Training 55gr. FMJ Ammo 500rds - .223 Hornady Brass Training 55gr. FMJ Ammo
    $259.95
    $0.52/ppr

    58 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
  6. 500rds - 223 Rem Hornady 55gr. SP Ammo 500rds - 223 Rem Hornady 55gr. SP Ammo
    $259.95
    $0.52/ppr

    45 In Stock

    Bullet type
    Soft-Point (SP)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  7. 500rds – 5.56x45 Winchester USA 55gr. FMJ Ammo 500rds – 5.56x45 Winchester USA 55gr. FMJ Ammo
    $264.95
    $0.53/ppr

    22 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1235     Casing Type
    Brass     Muzzle Velocity
    3180     Primer Type
    Boxer     Bullet Weight
    55 Grain
  8. 30rds – 5.56x45 Sterling 55gr. FMJ Ammo 30rds – 5.56x45 Sterling 55gr. FMJ Ammo
    $15.95
    $0.53/ppr

    113 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1114     Casing Type
    Brass     Muzzle Velocity
    3020     Primer Type
    Boxer     Bullet Weight
    55 Grain
  9. 50rds – 5.56x45 Magtech 55gr. FMJ M193 Ammo 50rds – 5.56x45 Magtech 55gr. FMJ M193 Ammo
    $26.95
    $0.54/ppr

    ☆☆☆☆☆ 1 Review

    116 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1302     Casing Type
    Brass     Muzzle Velocity
    3265     Primer Type
    Boxer     Bullet Weight
    55 Grain
  10. 50rds – 5.56x45 Fiocchi 55gr. FMJBT M193 Ammo 50rds – 5.56x45 Fiocchi 55gr. FMJBT M193 Ammo
    $26.95
    $0.54/ppr

    34 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1280     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  11. 500rds - 223 Federal American Eagle 75gr. TMJ Ammo 500rds - 223 Federal American Eagle 75gr. TMJ Ammo

    $294.95

    $269.95

    $0.54/ppr

    16 In Stock

    Bullet type
    Total Metal Jacket (TMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    2775     Primer Type
    Boxer     Bullet Weight
    75 Grain
  12. 150rds – 5.56x45 Winchester 62gr. FMJ M855 Ammo 150rds – 5.56x45 Winchester 62gr. FMJ M855 Ammo

    $89.95

    $81.95

    $0.55/ppr

    ☆☆☆☆☆ 1 Review

    102 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Penetrator     Muzzle Energy
    1289     Casing Type
    Brass     Muzzle Velocity
    3060     Primer Type
    Boxer     Bullet Weight
    62 Grain
  13. 200rds - .223 PMC Bronze 55gr. FMJ Ammo in Battle Packs 200rds - .223 PMC Bronze 55gr. FMJ Ammo in Battle Packs
    $109.95
    $0.55/ppr

    31 In Stock

    Bullet type
    Full Metal Jacket Boat Tail (FMJ-BT)     Muzzle Energy
    1250     Casing Type
    Brass     Muzzle Velocity
    3200     Primer Type
    Boxer     Bullet Weight
    55 Grain
  14. 200rds – 223 Rem Winchester USA 55gr. FMJ Ammo 200rds – 223 Rem Winchester USA 55gr. FMJ Ammo
    $109.95
    $0.55/ppr

    62 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  15. 1000rds – 5.56x45 Winchester 62gr. FMJ M855 Ammo 1000rds – 5.56x45 Winchester 62gr. FMJ M855 Ammo
    $554.95
    $0.55/ppr

    ☆☆☆☆☆ 1 Review

    55 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Penetrator     Muzzle Energy
    1289     Casing Type
    Brass     Muzzle Velocity
    3060     Primer Type
    Boxer     Bullet Weight
    62 Grain
  16. 800rds – 5.56x45 Winchester 62gr. FMJ M855 Ammo 800rds – 5.56x45 Winchester 62gr. FMJ M855 Ammo
    $444.95
    $0.56/ppr

    ☆☆☆☆☆ 3 Reviews

    76 In Stock

    ☆☆☆☆☆ 3 Reviews

    Bullet type
    Penetrator     Muzzle Energy
    1289     Casing Type
    Brass     Muzzle Velocity
    3060     Primer Type
    Boxer     Bullet Weight
    62 Grain
  17. 500rds – 5.56x45 Winchester 62gr. FMJ M855 Ammo 500rds – 5.56x45 Winchester 62gr. FMJ M855 Ammo
    $278.95
    $0.56/ppr

    33 In Stock

    Bullet type
    Penetrator     Muzzle Energy
    1289     Casing Type
    Brass     Muzzle Velocity
    3060     Primer Type
    Boxer     Bullet Weight
    62 Grain
  18. 50rds – 223 Rem Hornady Brass Training 55gr. FMJ Ammo 50rds – 223 Rem Hornady Brass Training 55gr. FMJ Ammo
    $27.95
    $0.56/ppr

    5 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
  19. 50rds – 223 Rem Hornady Frontier 55gr. FMJ Ammo 50rds – 223 Rem Hornady Frontier 55gr. FMJ Ammo
    $27.95
    $0.56/ppr

    104 In Stock

    Bullet type
    Full Metal Jacket (FMJ)     Muzzle Energy
    1282     Casing Type
    Brass     Muzzle Velocity
    3240     Primer Type
    Boxer     Bullet Weight
    55 Grain
  20. 20rds - 5.56 PMC X-TAC 55gr. (XP193) Full Metal Jacket Ammo 20rds - 5.56 PMC X-TAC 55gr. (XP193) Full Metal Jacket Ammo
    $11.25
    $0.56/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

21 - 40 of 171

More fromThe Lodge

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

223 Ballistics

An in-depth look at 223 ballistics for the top selling rounds among American shooters and hunters.
Read at the Lodge

223 Remington Ammo Resources .223 Rem Caliber Comparisons. How does .223 and 5.56x45 stack up against other rifle calibers? Read our in-depth guides with ballistic comparisons and more to be sure you're using the best caliber for the job.

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Shooters Share Their Thoughts About AmmoToGo.com

Jason said: "Quick shipping, good service, ammo as expected."

Edmond Strickland said: "Buy ammo locally is quick and expensive. But buying online at ammunitiontogo.com was so money saving and really quick... I'll do it again in other calibers."

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.

Recent .223 / 5.56 Reviews

  • ☆☆☆☆☆
    Absolute Banger - recommended by Mountains, Mullets. Merica yt. No shilling.
    TyroShot - Kevin Vargas on 250rds – 5.56x45 American Quality Ammunition 77gr. OTM Ammo
  • ☆☆☆☆☆
    Awesome stuff! Quick shipping great prices!
    Brian Buzek on 250rds – 5.56x45 American Quality Ammunition 77gr. OTM Ammo
  • ☆☆☆☆☆
    Great company to deal with. Saw a great price on bulk ammo and placed the order. I was a little skeptical at first because I had never purchased from Ammunitiontogo before. Fast shipping and they email you to keep you posted. At no fault to them the shipment arrived and the box was damaged. I quickly took pictures and called them to report some ammo missing. They were apologetic (even though the problem was with FedEx) and quickly replaced the lost ammo. Five stars is a definite. Can’t wait till my next purchase.
    Christopher Krieger on 1000rds – 223 Rem PMC 55gr. FMJBT Ammo
  • ☆☆☆☆☆
    You know the issue I had with the amo I purchased and it turned out just like I had figured. I would suggest that you update the photo to the new box is all. Everyone I spoke to was very helpful and polite, looking forward to buying from you again. Anthony
    Anthony Petrosino on 40rds – 223 Rem Winchester USA 45gr. JHP Ammo