300 Short Mag Ballistics Chart

Are you searching for a comprehensive 300 short mag ballistics chart to analyze the downrange performance of this highly efficient cartridge? You are in the right place. We compiled a massive master table comparing the velocity, kinetic energy, and structural dimensions of the .300 Winchester Short Magnum against more than 100 other popular rounds. This detailed data helps hunters and precision shooters see exactly how this compact powerhouse stacks up against everything from small rimfire calibers to heavy dangerous game loads.

300 Short Mag Ballistics Chart

Cartridge	Firearm Type	Muzzle Velocity (FPS)	Muzzle Energy (ft-lbs)	Power Factor	Recoil Score	Case Length (Inches)
.17 Aguila	Rifle	1850	152	0.37	0.16	0.618
.17 Hornady Magnum Rimfire	Rifle	2483	246	0.45	0.19	1.060
.17 Mach 2	Rifle	2078	163	0.35	0.17	0.714
.17 Remington	Rifle	4145	877	0.95	0.45	1.796
.204 Ruger	Rifle	3935	1272	1.46	0.60	1.840
.218 Bee	Rifle	2760	778	1.27	0.56	1.345
.22 Hornet	Rifle	2719	706	1.17	0.54	1.017
.22 Long	Rifle	898	52	0.26	0.14	0.613
.22 Long Rifle High Velocity	Rifle	1341	152	0.51	0.22	0.613
.22 LR	Rifle	1061	99	0.42	0.19	0.613
.22 Short	Rifle	896	52	0.26	0.13	0.421
.22 Winchester Magnum Rimfire	Rifle	2000	342	0.54	0.34	1.055
.22-250 Remington	Rifle	3787	1624	1.93	0.90	1.912
.220 Swift	Rifle	3845	1674	1.96	0.92	2.205
.221 Remington Fireball	Rifle	3097	958	1.39	0.67	1.400
.222 Remington	Rifle	3167	1091	1.55	0.74	1.700
.222 Remington Magnum	Rifle	3525	1241	1.59	0.79	1.850
.223 Remington (5.56x45mm)	Rifle	3148	1254	1.79	0.80	1.760
.223 Winchester Super Short	Rifle	3766	1826	2.18	0.95	1.670
.224 Weatherby Magnum	Rifle	3650	1627	2.01	0.90	1.920
.225 Winchester	Rifle	3570	1556	1.96	0.90	1.927
.240 Weatherby Magnum	Rifle	3396	2432	3.23	1.46	2.500
.243 Winchester	Rifle	3179	1952	2.77	1.25	2.045
.243 Winchester Super Short	Rifle	3198	2228	2.55	1.37	1.670
.25 Auto (ACP)	Handgun	814	68	0.74	0.17	0.615
.25 Winchester Super Short	Rifle	3155	2387	3.41	1.57	1.670
.25-06 Remington	Rifle	3123	2360	3.40	1.57	2.494
.25-20 Winchester	Rifle	1460	407	1.26	0.57	1.330
.25-35 Winchester	Rifle	2230	1292	2.61	1.18	2.043
.250 Savage	Rifle	2820	1765	2.82	1.27	1.912
.257 Roberts	Rifle	2790	2039	3.29	1.47	2.233
.257 Weatherby Magnum	Rifle	3408	2836	3.75	1.76	2.549
.260 Remington	Rifle	2856	2282	3.60	1.73	2.035
.264 Winchester Magnum	Rifle	3170	2766	3.93	1.91	2.500
.270 Weatherby Magnum	Rifle	3335	3333	4.50	2.05	2.549
.270 Winchester	Rifle	3536	3775	4.81	1.82	2.540
.270 Winchester Short Magnum	Rifle	3238	3166	4.42	2.10	2.100
.280 Remington	Rifle	2896	2793	4.34	1.95	2.540
.284 Winchester	Rifle	2880	2762	4.32	1.93	2.170
.30 Luger (7.65mm)	Handgun	1210	296	2.20	0.52	0.850
.30 M1 Carbine	Rifle	1987	964	2.19	0.99	1.290
.30-06 Springfield	Rifle	2815	2920	4.67	2.19	2.494
.30-30 Winchester	Rifle	2373	1888	3.58	1.60	2.040
.30-378 Weatherby	Rifle	3382	4520	6.02	2.55	2.908
.300 Dakota	Rifle	3183	4206	5.95	2.60	2.550
.300 H&H Magnum	Rifle	2880	3314	5.18	2.34	2.850
.300 Remington Short Action	Rifle	3034	3494	5.19	2.36	2.015
.300 Remington Ultra Magnum	Rifle	3066	3610	5.30	2.64	2.850
.300 Savage	Rifle	2518	2280	4.08	1.78	1.871
.300 Weatherby Magnum	Rifle	3229	4074	5.68	2.63	2.811
.300 Winchester Magnum	Rifle	3026	3517	5.23	2.39	2.620
.300 Short Mag (WSM)	Rifle	3078	3576	5.23	2.36	2.100
.303 British	Rifle	2540	2406	4.27	1.98	2.222
.307 Winchester	Rifle	2510	2518	4.52	1.93	2.015
.308 Winchester (7.62mm NATO)	Rifle	2681	2617	4.40	1.95	2.015
.32 Auto (7.65mm Browning)	Handgun	957	136	1.28	0.29	0.680
.32 H&R Magnum	Handgun	998	197	1.78	0.42	1.075
.32 Short Colt	Handgun	745	99	1.20	0.27	0.650
.32 Smith & Wesson	Handgun	680	88	1.16	0.27	0.605
.32 Smith & Wesson Long	Handgun	758	124	1.48	0.35	0.920
.32 Winchester Special	Rifle	2250	1911	3.83	1.95	2.040
.32-20 Winchester	Rifle	1210	325	1.21	0.55	1.315
.325 Winchester Short Magnum	Rifle	2213	2174	4.43	2.78	2.100
.327 Federal Magnum	Handgun	1427	452	2.86	0.67	1.200
.330 Dakota	Rifle	2925	4369	6.73	3.11	2.740
.338 Lapua Magnum	Rifle	2927	4831	7.43	3.33	2.774
.338 Winchester Magnum	Rifle	2819	3916	6.26	2.93	2.500
.340 Weatherby Magnum	Rifle	3033	4615	6.85	3.30	2.825
.35 Remington	Rifle	2120	1876	3.99	1.87	1.920
.35 Whelen	Rifle	2638	3538	6.04	2.64	2.494
.356 Winchester	Rifle	2460	2687	4.92	2.22	2.015
.357 Magnum	Handgun	1294	528	3.68	0.89	1.290
.357 SIG	Handgun	1379	515	3.36	0.76	0.865
.38 Special	Handgun	876	235	2.42	0.53	1.155
.38-55 Winchester	Rifle	1320	986	3.37	1.51	2.085
.380 Auto	Handgun	980	194	1.78	0.41	0.680
.40 Smith & Wesson	Handgun	1074	423	3.54	0.74	0.850
.41 Remington Magnum	Handgun	1276	763	5.38	1.23	1.290
.44 Remington Magnum	Handgun	1317	897	6.14	1.45	1.285
.44 Smith & Wesson Special	Handgun	911	361	3.58	0.81	1.160
.44-40 Winchester	Rifle	1060	499	2.12	1.07	1.305
.45 Auto (.45 ACP)	Handgun	937	403	3.88	0.93	0.898
.45 GAP	Handgun	959	414	3.90	0.92	0.760
.45-70 Government	Rifle	1680	2274	6.10	2.43	2.105
.470 Nitro Express	Rifle	2134	5055	10.67	4.84	3.250
10mm Auto	Handgun	1199	546	4.10	0.96	0.992
6.17mm Lazzeroni	Rifle	3618	2470	3.08	1.37	2.050
6.53mm Lazzeroni	Rifle	3750	3122	3.75	1.69	2.860
6.5mm Remington Magnum	Rifle	3118	2655	3.84	1.72	2.170
6.5x55mm Swedish Mauser	Rifle	2673	2078	3.50	1.72	2.165
6.5×57 Mauser	Rifle	2543	1881	3.33	1.62	2.232
6.8mm Remington SPC	Rifle	2600	1696	2.94	1.41	1.686
6mm Remington	Rifle	3156	2145	3.06	1.40	2.233
7-30 Waters	Rifle	2700	1942	3.24	1.46	2.040
7.62x39mm Russian	Rifle	2363	1587	3.02	1.29	1.528
7mm Remington Magnum	Rifle	3024	3106	4.63	2.06	2.500
7mm Remington Ultra Magnum	Rifle	3121	3330	4.81	2.13	2.850
7mm STW	Rifle	3239	3494	4.86	2.31	2.850
7mm Weatherby Magnum	Rifle	3199	3476	4.89	2.20	2.549
7mm Winchester Short Magnum	Rifle	3134	3314	4.76	2.06	2.100

Cartridge

The cartridge column lists the specific caliber and casing designation. The .300 Short Mag, formally known as the .300 Winchester Short Magnum or WSM, stands out prominently. It uses the exact same .30 caliber projectiles as the older .300 Winchester Magnum but houses them in a distinctly modern, short, and fat brass case designed for superior efficiency and accuracy.

Firearm Type

This data point distinguishes whether the ammunition is primarily chambered in a rifle or a handgun. The 300 Short Mag is strictly a high pressure rifle round. By utilizing a short action receiver instead of a standard long magnum action, rifles chambered in this caliber are typically lighter, stiffer, and faster to cycle during a hunt.

Muzzle Velocity (FPS)

Muzzle velocity dictates the speed of the bullet as it leaves the barrel, measured in feet per second. At 3,078 fps with a standard factory load, the 300 Short Mag is incredibly fast. This intense speed allows the bullet to cover ground quickly, creating a very flat trajectory that minimizes bullet drop at extended distances.

Muzzle Energy (ft-lbs)

Energy measures the raw kinetic destructive power of the projectile. Registering at an impressive 3,576 foot pounds, the 300 Short Mag delivers devastating hydrostatic shock upon impact. This guarantees enough penetration and tissue damage to ethically harvest North America’s largest game, including elk and moose, well past normal shooting distances.

Power Factor

Power factor is a momentum based calculation used to estimate the sheer knockdown capability of a bullet. The rating of 5.23 places the 300 Short Mag squarely in the heavy hitting magnum category. It easily surpasses the standard .30-06 Springfield and matches the stopping power of much larger, older magnum designs.

Recoil Score

The recoil score provides a mathematical comparison of the rearward force felt by the shooter. A score of 2.36 indicates substantial physical kick. While the short action design burns powder very efficiently, pushing a heavy .30 caliber bullet past 3,000 fps generates sharp recoil that requires good shooting fundamentals to manage effectively.

Case Length (Inches)

Case length measures the brass casing from the base to the mouth. At exactly 2.100 inches, the 300 Short Mag casing is significantly shorter than the older 2.620 inch .300 Winchester Magnum case. This short, fat profile ensures a more uniform powder burn inside the chamber, which directly translates to improved inherent accuracy.

Cartridge Overview

Introduced in 2001 by Winchester Ammunition, the .300 Winchester Short Magnum revolutionized the firearms industry. It proved that a cartridge could duplicate the legendary performance of a belted magnum without actually needing a belt or a long action receiver. By widening the brass body and sharpening the shoulder angle, engineers maximized powder capacity in a compact package. This modern geometry provides superior efficiency, extreme precision, and a remarkably flat trajectory.

Hunting Performance

The 300 Short Mag is a premier big game hunting cartridge. The fast velocities guarantee reliable expansion from premium hunting bullets like the Nosler Partition, Hornady ELD-X, and Barnes TTSX. It possesses more than enough kinetic energy to anchor a bull elk or black bear immediately. The short action rifle platform makes it highly favored by backcountry hunters who need to carry their rifle up steep mountains where every ounce matters.

Comparison to the 300 Winchester Magnum

These two cartridges are constantly compared because they deliver nearly identical ballistics. Both push a 180 grain bullet roughly 2,950 to 3,000 fps. The difference lies entirely in the rifle itself. The 300 Short Mag fits in a lighter, shorter rifle action and burns about 10 percent less powder to achieve the exact same speed. However, the older .300 Winchester Magnum handles extremely heavy bullets over 200 grains slightly better due to its longer neck and overall case volume.

Recoil Characteristics

Shooters stepping up from standard calibers like the .308 Winchester will immediately notice the recoil of the 300 Short Mag. Because the rifles chambered for it are often built to be lightweight, the felt recoil can be sharp and abrupt. Installing a high quality recoil pad or utilizing a muzzle brake can significantly tame the rifle, making it much more comfortable during extended practice sessions.

Accuracy Expectations

One of the greatest advantages of the short, fat case design is its inherent precision. The powder column ignites very evenly, resulting in highly consistent muzzle velocities shot after shot. This consistency makes the 300 Short Mag exceptionally accurate. Many factory rifles easily produce sub minute of angle groups right out of the box with premium ammunition.

Best Factory Ammunition Options

Ammunition manufacturers fully support this highly popular caliber. The best factory loads available today include:

• Winchester Deer Season XP 150gr: An excellent choice for rapid expansion on whitetail and mule deer.
• Federal Premium Terminal Ascent 175gr: A top tier option for long range accuracy and weight retention.
• Hornady Precision Hunter 200gr ELD-X: The ultimate heavy bullet factory load for maximizing aerodynamic performance and crosswind resistance.

Frequently Asked Questions

Is the 300 Short Mag good for long range target shooting?

Yes. The flat trajectory, high ballistic coefficient bullets, and inherent accuracy make it an excellent choice for long range precision. However, the high cost of ammunition and rapid barrel wear make it less practical for high volume target shooting compared to smaller calibers like the 6.5 Creedmoor.

Do I need a magnum primer for this cartridge?

Yes. The large volume of slow burning powder inside the fat case requires the extra heat and spark of a large rifle magnum primer to ensure complete and consistent ignition, especially in cold weather hunting conditions.

How long does a 300 Short Mag barrel last?

Because it pushes a large volume of hot gas through a .30 caliber bore, throat erosion happens faster than with standard cartridges. Most hunters can expect exceptional accuracy for roughly 1,200 to 1,500 rounds, which is more than enough to last a lifetime of dedicated hunting.