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.243

.243 Winchester ammunition is very common among North American hunters. The round itself is a centerfire, rimless, bottle-necked, .243 caliber rifle cartridge that was introduced by Winchester in 1955 for use in their model 70 bolt action rifle.

Starting with a .308 Winchester case, Winchester's design team reduced the size of the case's neck to accept a .243 caliber bullet in order to create a varmint cartridge with an extremely flat trajectory that was capable of instantly killing larger varmint species (such as Coyotes) than could be humanely taken with the various .22 caliber cartridges. Consequently, this cartridge found immediate success with avid varmint hunters when loaded with lightweight, hollow point or ballistic tip bullets.

It didn’t take long for Eastern deer hunters and Western Antelope hunters to quickly discover that 243 ammo also makes an excellent long range deer and goat cartridge when loaded with 100 grain, soft point, spitzer bullets and it can even be used successfully on Mule Deer at closer ranges when loaded with tough, heavy, bullets.

In fact, with a range of available bullet weights and designs from 58 grain hollow point spitzer bullets to 100 grain soft point spitzer bullets as well as a 105 grain match grade boat tail hollow point bullet and even a 90 grain Full Metal Jacket design to choose from, .243 Win ammo is a very versatile cartridge.

Consequently, due to the 243’s versatility, many hunters choose rifles chambered for this cartridge as their sole hunting rifle and thus, nearly all American firearms manufacturers have chambered one or models of their rifles for this cartridge.

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1 - 20 of 31

  1. 20rds – 243 Win Prvi Partizan 90gr. SP Ammo 20rds – 243 Win Prvi Partizan 90gr. SP Ammo
    $21.95
    $1.1/ppr

    ☆☆☆☆☆ 3 Reviews

    130 In Stock

    ☆☆☆☆☆ 3 Reviews

    Bullet type
    Soft-Point (SP)     Muzzle Energy
    1910     Casing Type
    Brass     Muzzle Velocity
    3100     Primer Type
    Boxer     Bullet Weight
    90 Grain
    Ballistic Data Available
  2. 20rds – 243 Win Prvi Partizan 100gr. SP Ammo 20rds – 243 Win Prvi Partizan 100gr. SP Ammo
    $21.95
    $1.1/ppr

    ☆☆☆☆☆ 1 Review

    141 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Soft-Point (SP)     Muzzle Energy
    1957     Casing Type
    Brass     Muzzle Velocity
    2969     Primer Type
    Boxer     Bullet Weight
    100 Grain
    Ballistic Data Available
  3. 20rds - .243 Win Hornady American Whitetail 100gr. InterLock BTSP Ammo 20rds - .243 Win Hornady American Whitetail 100gr. InterLock BTSP Ammo
    $25.95
    $1.3/ppr

    ☆☆☆☆☆ 4 Reviews

    32 In Stock

    ☆☆☆☆☆ 4 Reviews

    Bullet type
    Soft-Point (SP)     Muzzle Energy
    1945     Casing Type
    Brass     Muzzle Velocity
    2960     Primer Type
    Boxer     Bullet Weight
    100 Grain
  4. 200rds – 243 Win Browning BXR 97gr. Rapid Expansion Matrix Tip Ammo 200rds – 243 Win Browning BXR 97gr. Rapid Expansion Matrix Tip Ammo
    $259.95
    $1.3/ppr

    2 In Stock

    Bullet type
    Polymer Tipped     Muzzle Energy
    2069     Casing Type
    Nickel-Plated Brass     Muzzle Velocity
    3100     Primer Type
    Boxer     Bullet Weight
    97 Grain
  5. 20rds - 243 Winchester Super-X 80gr. Pointed Soft Point Ammo 20rds - 243 Winchester Super-X 80gr. Pointed Soft Point Ammo
    $26.45
    $1.32/ppr

    37 In Stock

    Bullet type
    Soft-Point (SP)     Muzzle Energy
    1993     Casing Type
    Brass     Muzzle Velocity
    3350     Primer Type
    Boxer     Bullet Weight
    80 Grain
  6. 200rds – 243 Win Remington Coke-Lokt 100gr. PSP Ammo 200rds – 243 Win Remington Coke-Lokt 100gr. PSP Ammo
    $264.95
    $1.32/ppr

    6 In Stock

    Bullet type
    Pointed Soft-Point (PSP)     Muzzle Energy
    1945     Casing Type
    Brass     Muzzle Velocity
    2960     Primer Type
    Boxer     Bullet Weight
    100 Grain
  7. 20rds - 243 Win. Fiocchi 95gr. SST Polymer Tip Ammo 20rds - 243 Win. Fiocchi 95gr. SST Polymer Tip Ammo
    $28.95
    $1.45/ppr

    ☆☆☆☆☆ 1 Review

    45 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    SST     Muzzle Energy
    1835     Casing Type
    Brass     Muzzle Velocity
    2950     Primer Type
    Boxer     Bullet Weight
    95 Grain
  8. 200rds – 243 Win Winchester Deer Season XP 95gr. Extreme Point Ammo 200rds – 243 Win Winchester Deer Season XP 95gr. Extreme Point Ammo
    $289.95
    $1.45/ppr

    5 In Stock

    Bullet type
    Polymer Tipped     Muzzle Energy
    2027     Casing Type
    Brass     Muzzle Velocity
    3100     Primer Type
    Boxer     Bullet Weight
    95 Grain
  9. 20rds - 243 Winchester Super-X 100gr. Power Point Soft Point Ammo 20rds - 243 Winchester Super-X 100gr. Power Point Soft Point Ammo
    $29.95
    $1.5/ppr

    ☆☆☆☆☆ 1 Review

    98 In Stock

    ☆☆☆☆☆ 1 Review

    Bullet type
    Power-Point (PP)     Muzzle Energy
    1945     Casing Type
    Brass     Muzzle Velocity
    2960     Primer Type
    Boxer     Bullet Weight
    100 Grain
  10. 20rds – 243 Fiocchi Rifle Shooting Dynamics 100gr. PSP Ammo 20rds – 243 Fiocchi Rifle Shooting Dynamics 100gr. PSP Ammo
    $29.95
    $1.50/ppr

    6 In Stock

    Bullet type
    Pointed Soft-Point (PSP)     Muzzle Energy
    2274     Casing Type
    Brass     Muzzle Velocity
    3200     Primer Type
    Boxer     Bullet Weight
    100 Grain
  11. 20rds - 243 Win Remington 80gr Core-Lokt PSP Ammo 20rds - 243 Win Remington 80gr Core-Lokt PSP Ammo
    $29.95
    $1.5/ppr

    187 In Stock

    Bullet type
    Pointed Soft-Point (PSP)     Casing Type
    Brass     Muzzle Velocity
    3350     Primer Type
    Boxer     Bullet Weight
    80 Grain
  12. 20rds - 243 Win Hornady Superformance Varmint 75gr. V-Max Ammo 20rds - 243 Win Hornady Superformance Varmint 75gr. V-Max Ammo
    $30.95
    $1.55/ppr

    5 In Stock

    Bullet type
    V-MAX     Muzzle Energy
    2134     Casing Type
    Brass     Muzzle Velocity
    3580     Primer Type
    Boxer     Bullet Weight
    75 Grain
    Ballistic Data Available
  13. 20rds - 243 Winchester Deer Season XP 95gr Polymer Tipped Ammo 20rds - 243 Winchester Deer Season XP 95gr Polymer Tipped Ammo
    $30.95
    $1.55/ppr

    62 In Stock

    Bullet type
    Polymer Tipped     Muzzle Energy
    2027     Casing Type
    Brass     Muzzle Velocity
    3100     Primer Type
    Boxer     Bullet Weight
    95 Grain
  14. 20rds – 243 Win Browning BXR 97gr. Rapid Expansion Matrix Tip Ammo 20rds – 243 Win Browning BXR 97gr. Rapid Expansion Matrix Tip Ammo
    $30.95
    $1.55/ppr

    163 In Stock

    Bullet type
    Polymer Tipped     Muzzle Energy
    2069     Casing Type
    Nickel-Plated Brass     Muzzle Velocity
    3100     Primer Type
    Boxer     Bullet Weight
    97 Grain
  15. 20rds – 243 Win Hornady Superformance 58gr. V-MAX Ammo 20rds – 243 Win Hornady Superformance 58gr. V-MAX Ammo
    $32.95
    $1.65/ppr

    13 In Stock

    Bullet type
    V-MAX     Muzzle Energy
    1984     Casing Type
    Brass     Muzzle Velocity
    3925     Primer Type
    Boxer     Bullet Weight
    58 Grain
  16. 20rds – 243 Win Winchester Varmint X 58gr. Polymer Tip Ammo 20rds – 243 Win Winchester Varmint X 58gr. Polymer Tip Ammo
    $34.95
    $1.75/ppr

    52 In Stock

    Bullet type
    Polymer Tipped     Muzzle Energy
    1909     Casing Type
    Brass     Muzzle Velocity
    3850     Primer Type
    Boxer     Bullet Weight
    58 Grain
  17. 200rds – 243 Win Hornady Superformance 95gr. SST Ammo 200rds – 243 Win Hornady Superformance 95gr. SST Ammo
    $354.95
    $1.77/ppr

    7 In Stock

    Bullet type
    SST     Muzzle Energy
    2139     Casing Type
    Brass     Muzzle Velocity
    3185     Primer Type
    Boxer     Bullet Weight
    95 Grain
  18. 20rds - 243 Win. Hornady Superformance 95gr. SST Ammo 20rds - 243 Win. Hornady Superformance 95gr. SST Ammo
    $36.95
    $1.85/ppr

    ☆☆☆☆☆ 3 Reviews

    39 In Stock

    ☆☆☆☆☆ 3 Reviews

    Bullet type
    SST     Muzzle Energy
    2139     Casing Type
    Brass     Muzzle Velocity
    3185     Primer Type
    Boxer     Bullet Weight
    95 Grain
  19. 20rds – 243 Win Federal 85gr. Barnes TSX Ammo 20rds – 243 Win Federal 85gr. Barnes TSX Ammo
    $36.95
    $1.85/ppr

    50 In Stock

    Bullet type
    TSX     Muzzle Energy
    1933     Casing Type
    Brass     Muzzle Velocity
    3200     Primer Type
    Boxer     Bullet Weight
    85 Grain
  20. 20rds – 243 Win Hornady Outfitter 80gr. CX Ammo 20rds – 243 Win Hornady Outfitter 80gr. CX Ammo
    $36.95
    $1.85/ppr

    114 In Stock

    Bullet type
    CX     Muzzle Energy
    1819     Casing Type
    Nickel-Plated Brass     Muzzle Velocity
    3200     Primer Type
    Boxer     Bullet Weight
    80 Grain

1 - 20 of 31

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Common 243 Winchester Ammo Questions

How Far Can You Accurately Shoot with a .243 Winchester?

Quite a distance! Trajectory, of course, depends on many factors, including bullet design, barrel length, and bullet weight, so all cartridges will perform differently. However, Winchester’s Varmint X with 55-grain hollow points when zeroed to 100 yards will only drop 1.7 inches at 200 and 7.7 inches at 300 yards, all while maintaining speeds over 2,000 feet per second. (The muzzle velocity for this round is 3,910 feet per second.)

Even larger bullets loaded into the .243 Winchester have excellent trajectories. Winchester’s 100-grain Power Max Bonded ammunition only drops 3.3 inches at 200 yards when zeroed to 100. At 300, it drops 12.2 inches. For the bullet size, these are excellent trajectories.

What is the Best .243 Winchester Bullet for Deer Hunting?

That’s a tough question, but you should always choose a round that has an expanding bullet for hunting of any type. You’ll want a jacketed hollow point or ballistic tip round to ensure proper expansion, which will result in a larger wound channel and a faster, more humane harvest. For deer, you’ll want something on the larger end of the scale, which for a .243 Winchester cartridge is about 90 to 100 grains. When properly placed, this bullet size can effectively drop a whitetail deer and many other medium-sized game animals. Check out this article if you're unfamiliar with the common bullet types deer hunters use.

What Firearms Shoot .243 Winchester ammo?

The .243 Winchester is a rifle cartridge, and the majority of firearms that load this round are bolt-action weapons. Bolt-action rifles are known for their accuracy and effectiveness, allowing you to place one shot exactly where you want it. You can find semi-automatic rifles that shoot the .243 Winchester, but they are relatively rare. If you're unsure, check your firearm near the barrel area. If it says it's chambered in "243 win" or "243 Winchester", this is the ammo you want.

How Does the .243 Winchester Compare to the .308 Winchester?

Considering that the .243 Winchester was based on the .308 Winchester cartridge, it’s easy to compare and contrast the two. A comparison also reveals the strengths and weaknesses of each. The most notable difference is bullet diameter, which are both reflected in the bullets’ names. This difference is seen in the bullet weight as well; a .243 Winchester has bullets that go up to about 100 grains, while .308 Winchester ammunition will easily go up to 180, giving it far more muzzle energy. Speed, however, goes to the .243, which has cartridges rated over 4,000 feet per second in muzzle velocity; the .308 usually maxes out at about 3,100 feet per second.

Recent .243 Reviews

  • ☆☆☆☆☆
    Good for coyotes. But not much of a fan of federal shells. They get the job done.
    Jackie on 200rds – 243 Win Federal Power-Shok 100gr. SP Ammo
  • ☆☆☆☆☆
    Nice ammo took a 8 point buck drop in his tracks no tracking needed
    Mickey jordon on 20rds – 243 Win Barnes VOR-TX 80gr. TTSX BT Ammo
  • ☆☆☆☆☆
    my 243 M77 Ruger with a 4x9 scope shot a bullseye at 200yds. with this ammo. it liked this bullet and shot more accurate than other brands. i was surprised they shot so well. try them out on deer this fall.
    kim miller on 20rds – 243 Win Prvi Partizan 90gr. SP Ammo
  • ☆☆☆☆☆
    Sighted in ruger m77 243 with a nikon 4x9 scope using ppu , sp 90gr. 243. Shot a bullseye at 33yds, Moved out to 100yds. hit 1 1/2 in. high . moved out to 200yds. First shot hit dead center bullseye. My Ruger shoots this bullet very good . Tried same target with Federal 80gr. did not shoot as well.
    kim miller on 20rds – 243 Win Prvi Partizan 90gr. SP Ammo