Comparing .300 / 7.62 mm Rifle Calibers

Comparing .300 / 7.62mm Caliber

The .300 caliber rifles generally offer excellent ballistics, effective terminal performance, and are favored for their versatility across various shooting disciplines. These calibers are often preferred for:

• Hunting: Suitable for medium to large game, including deer, elk, moose, and bear.

• Target Shooting: Used in long-range shooting and precision competitions.

• Tactical Use: Selected by law enforcement and military for sniper and designated marksman roles due to their long-range accuracy and stopping power.

Here are some more details for the 10 most popular .300 calibers:

• .300 Winchester Magnum: Range: Up to 1200 yards. Application: Big game hunting, long-range target shooting, military sniping.

• .308 Winchester (7.62x51mm NATO): - Range: Up to 1000 yards. Application: Widely used in hunting, sport shooting, military, and law enforcement.

• .300 AAC Blackout (7.62x35mm): Range: Up to 500 yards. Application: Hunting, personal defense, and tactical applications, optimized for suppressed firearms.

• .30-06 Springfield: Range: Up to 1000 yards. Application: All-purpose hunting, sport shooting, and historically military use.

• .300 Weatherby Magnum: Range: Over 1200 yards- Application: Large game hunting, long-range shooting competitions.

• .300 Remington Ultra Magnum: Range: Over 1500 yards. Application: Long-range hunting, elite sniper competitions, and tactical applications.

• .30-30 Winchester: Range: Up to 300 yards. Application: Medium game hunting, particularly popular in lever-action rifles for brush hunting.

• .300 PRC (Precision Rifle Cartridge): Range: Over 1500 yards.  Application: Long-range hunting and precision shooting, tactical long-range missions.

• .300 H&H Magnum: Range: Up to 1200 yards. Application: Big game hunting, competitive shooting at long ranges.

• .300 Norma Magnum: Range: Over 1500 yards. Application: Long-range tactical shooting, precision sniper competitions, and hunting.

Each of these calibers has been optimized for specific uses, but generally, they excel in situations where precision and power at distance are required. The choice of caliber would typically depend on the specific game being hunted, the conditions of the shooting environment, and personal or regulatory limitations.

Kinetic Energy Performance Comparison - .300 / 7.62 mm Calibers

Case Capacity vs. Muzzle Velocity - .300 / 7.62 mm Calibers

Comparison Table .300 / 7.62 mm Calibers

The following table compares the key characteristics of all 7mm rifle calibers, including rifle calibers with a diameter between .300 and .309 inches:

Caliber	Avg. Energy (E0)	Diameter	Avg. Bullet Weight (gr)	Case Capacity (GoW)	Average Charge	Average Velocity (V0)	Case Length (l3)	Max. C.O.L	Suitable Bullets
.30 BR	2511 Joule	0.308	155	41	28.8gr | 1.87g	2354fps | 718m/s	1.5" | 38.1mm	2.3" | 58.4mm	460
.30 Carbine	1266 Joule	0.308	109	21	12.9gr | 0.84g	1982fps | 604m/s	1.29" | 32.8mm	1.68" | 42.7mm	30
.30 Fl. N.E. Purdey	2903 Joule	0.308	158	58	39.8gr | 2.58g	2502fps | 763m/s	2.31" | 58.8mm	2.98" | 75.7mm	541
.30 Nosler	4400 Joule	0.308	161	99	75.3gr | 4.88g	3046fps | 929m/s	2.55" | 64.8mm	3.34" | 84.8mm	598
.30 R Blaser	3650 Joule	0.308	161	75	57.4gr | 3.72g	2777fps | 847m/s	2.68" | 68mm	3.59" | 91.2mm	567
.30 Rem.	2248 Joule	0.306	170	45.8	27.4gr | 1.78g	2102fps | 641m/s	2.05" | 52mm	2.53" | 64.1mm	7
.30 Super Fl. H&H	3605 Joule	0.308	161	94	67.9gr | 4.4g	2761fps | 842m/s	2.94" | 74.7mm	3.69" | 93.7mm	573
.30 TC	3124 Joule	0.308	158	54	39.4gr | 2.55g	2598fps | 792m/s	1.91" | 48.5mm	2.66" | 67.6mm	527
.30-06 Ackley Improved	3664 Joule	0.308	162	70	52.8gr | 3.42g	2766fps | 843m/s	2.49" | 63.1mm	3.33" | 84.6mm	618
.30-06 R Stief	3563 Joule	0.308	161	69	52gr | 3.37g	2746fps | 837m/s	2.49" | 63.2mm	3.34" | 84.8mm	570
.30-06 Spring. (7.62 x 63)	3564 Joule	0.308	162	68.2	51.3gr | 3.32g	2740fps | 835m/s	2.49" | 63.3mm	3.34" | 84.8mm	603
.30-30 Win.	2214 Joule	0.308	151	45	28.1gr | 1.82g	2240fps | 683m/s	2.04" | 51.8mm	2.55" | 64.8mm	377
.30-378 Weath. Mag.	4705 Joule	0.308	162	133	101.6gr | 6.58g	3140fps | 957m/s	2.91" | 74mm	3.66" | 92.8mm	603
.30-40 Krag	2974 Joule	0.308	159	58	41.4gr | 2.68g	2523fps | 769m/s	2.31" | 58.8mm	3.09" | 78.5mm	507
.300 AAC Blackout	1686 Joule	0.308	153	25.1	15.9gr | 1.03g	1935fps | 590m/s	1.37" | 34.7mm	2.26" | 57.4mm	460
.300 Blaser Mag	4185 Joule	0.308	161	92.4	70.3gr | 4.56g	2977fps | 908m/s	2.52" | 64mm	3.34" | 84.8mm	570
.300 CR	3107 Joule	0.308	159	53	39gr | 2.53g	2578fps | 786m/s	2" | 50.8mm	2.8" | 71mm	548
.300 H & H Mag.	4042 Joule	0.308	161	85.9	64.2gr | 4.16g	2928fps | 893m/s	2.85" | 72.4mm	3.6" | 91.4mm	571
.300 HAM'R	1803 Joule	0.308	144	29.6	18.3gr | 1.18g	2072fps | 632m/s	1.62" | 41mm	2.26" | 57.4mm	323
.300 Lapua Mag.	4314 Joule	0.308	162	100	77.9gr | 5.05g	3014fps | 919m/s	2.72" | 69.2mm	3.68" | 93.5mm	565
.300 Norma Mag	4516 Joule	0.308	162	104	83gr | 5.38g	3081fps | 939m/s	2.49" | 63.2mm	3.68" | 93.5mm	557
.300 Precision Rifle Cartridge	4470 Joule	0.308	162	99	78.9gr | 5.11g	3069fps | 936m/s	2.58" | 65.5mm	3.7" | 94mm	564
.300 RCM	3871 Joule	0.308	159	75	56.2gr | 3.64g	2882fps | 879m/s	2.09" | 53.1mm	2.84" | 72.1mm	545
.300 Rem. SA Ultra Mag	3886 Joule	0.308	159	74	56.4gr | 3.65g	2884fps | 879m/s	2" | 50.9mm	2.83" | 71.8mm	553
.300 Rem. Ultra Mag	4176 Joule	0.308	161	112.5	85.4gr | 5.53g	2968fps | 905m/s	2.85" | 72.4mm	3.6" | 91.4mm	573
.300 Savage	2927 Joule	0.308	156	52.5	37.5gr | 2.43g	2525fps | 770m/s	1.87" | 47.5mm	2.6" | 66mm	511
.300 WSM	4051 Joule	0.308	160	81.3	61.2gr | 3.97g	2937fps | 895m/s	2.09" | 53.1mm	2.86" | 72.6mm	581
.300 Weath. Mag.	4341 Joule	0.308	162	98.9	74.3gr | 4.81g	3022fps | 921m/s	2.82" | 71.7mm	3.56" | 90.4mm	603
.300 Win. Mag.	4172 Joule	0.308	162	90.5	67.5gr | 4.37g	2967fps | 904m/s	2.62" | 66.5mm	3.34" | 84.8mm	600
.303 Savage	2162 Joule	0.308	150	45	27.1gr | 1.75g	2224fps | 678m/s	2.01" | 51.2mm	2.52" | 64mm	354
.307 Win.	2955 Joule	0.308	152	54	37.1gr | 2.4g	2578fps | 786m/s	2.01" | 51.2mm	2.56" | 65mm	405
.308 Marlin Express	2745 Joule	0.308	156	51	35.4gr | 2.29g	2446fps | 746m/s	1.91" | 48.5mm	2.61" | 66.3mm	506
.308 Norma Mag.	4134 Joule	0.308	161	86.5	65.4gr | 4.24g	2961fps | 903m/s	2.56" | 65mm	3.35" | 85mm	570
.308 Win. (7.62 x 51)	3224 Joule	0.308	160	56	41.3gr | 2.68g	2621fps | 799m/s	2.01" | 51.2mm	2.8" | 71.1mm	583
.308 Win. Ackley Improved	3328 Joule	0.308	159	59	43.7gr | 2.83g	2668fps | 813m/s	2.01" | 51.2mm	2.8" | 71.1mm	550
7.5 x 55 SWISS	3448 Joule	0.306	167	65	48.4gr | 3.13g	2645fps | 806m/s	2.19" | 55.6mm	3.06" | 77.7mm	511
7.62 UKM	4318 Joule	0.308	161	95.5	73.7gr | 4.77g	3019fps | 921m/s	2.24" | 57mm	3.11" | 79mm	562
7.62 x 39 (.308) Russ.	2001 Joule	0.308	150	35.6	22.3gr | 1.45g	2139fps | 652m/s	1.52" | 38.7mm	2.19" | 55.6mm	355
7.62 x 53 R Fin.	3419 Joule	0.31	153	64	48.7gr | 3.15g	2795fps | 852m/s	2.11" | 53.5mm	2.99" | 75.9mm	48
7.82 Warbird (Lazzeroni)	4646 Joule	0.308	161	121.5	93.7gr | 6.07g	3129fps | 954m/s	2.8" | 71.1mm	3.6" | 91.4mm	570