.223 Remington vs .243 Winchester Ammo Comparison - Ballistics Info & – Foundry Outdoors
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.223 Remington vs .243 Winchester Ammo Comparison - Ballistics Info & Chart

The following ammunition cartridge ballistics information and chart can be used to approximately compare .223 Remington vs .243 Winchester ammo rounds. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, or jacketing type. As such, the following is for comparative information purposes only and should not be used to make precise predictions of the trajectory, performance, or true ballistics of any particular .223 Remington or .243 Winchester rounds for hunting, target shooting, plinking, or any other usage. The decision for which round is better for a given application should be made with complete information, and this article simply serves as a comparative guide, not the final say.

For more detailed ballistics information please refer to the exact round in question or contact the manufacturer for the pertinent information. True .223 Remington and .243 Winchester ballistics information can vary widely from the displayed information, and it is important to understand that the particular characteristics of a given round can make a substantive difference in its true performance.


Caliber Type Velocity
(fps)
Energy
(ft-lb)
.223 Remington Rifle 3150 1250
.243 Winchester Rifle 3180 1950






Velocity


As illustrated in the chart, .223 Remington rounds - on average - achieve a velocity of about 3150 feet per second (fps) while .243 Winchester rounds travel at a velocity of 3180 fps. To put this into perspective, a Boeing 737 commercial airliner travels at a cruising speed of 600 mph, or 880 fps. That is to say, .223 Remington bullets travel 3.6 times the speed of a 737 airplane at cruising speed, while .243 Winchester bullets travel 3.6 times that same speed.

Various calibers



Energy



Furthermore, the muzzle energy of a .223 Remington round averages out to 1250 ft-lb, while a .243 Winchester round averages out to about 1950 ft-lb. One way to think about this is as such: a foot-pound is a unit of energy equal to the amount of energy required to raise a weight of one pound a distance of one foot. So a .223 Remington round exits the barrel with kinetic energy equal to the energy required for linear vertical displacement of 1250 pounds through a one foot distance, while a .243 Winchester round exiting the barrel has energy equal to the amount required to displace 1950 pounds over the same one foot distance. As a rule of thumb, when it comes to hunting, muzzle energy is what many hunters look at when deciding on what caliber of firearm / ammunition to select. Generally speaking, the higher the muzzle energy, the higher the stopping power.

Again, the above is for comparative information purposes only, and you should consult the exact ballistics for the particular .223 Remington or .243 Winchester cartridge you're looking at purchasing.








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3 Comments

kenneth ellsworth - Oct 20, 2019

The 223 is not legal for hunting in many states. Such as my state of Washington requires .24 caliber/6mm minimum. Make no mistake the 223 will DRT any deer with proper shot placement and shot placement above all things takes game

Joshua - May 16, 2020

what i find funny is a 22 cal. Can kill a deer on the spot but you cant hunt with them.

V - Aug 15, 2020

I like that .223 is not as overbore as .243. I like that .243 has substantially more ft. lbs of energy. I guess I’ll just have to own both. As if that’s such a painstaking decision. You didn’t have to pull my arm out of it’s socket for that solution. 😂

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