Looking for a complete and highly accurate 300 rum ballistics chart to maximize your long range hunting success? You are in the exact right place. This guide provides a massive, fully researched master table detailing the downrange velocity, kinetic energy, and precise bullet drop for 25 premium factory and custom loads. By reviewing this data, serious shooters will learn exactly how the .300 Remington Ultra Magnum dominates big game from the muzzle all the way out to 500 yards.
300 Rum Ballistics Chart
| Ammunition Load | Bullet Weight | Distance (Yards) | Velocity (FPS) | Energy (Foot Pounds) | Bullet Drop (Inches) |
| Remington Premier Scirocco | 150 Grains | Muzzle | 3450 | 3964 | -1.5 |
| Remington Premier Scirocco | 150 Grains | 100 | 3211 | 3434 | +1.2 |
| Remington Premier Scirocco | 150 Grains | 200 | 2985 | 2967 | 0.0 |
| Remington Premier Scirocco | 150 Grains | 300 | 2769 | 2554 | -5.5 |
| Remington Premier Scirocco | 150 Grains | 400 | 2564 | 2190 | -16.0 |
| Remington Premier Scirocco | 150 Grains | 500 | 2369 | 1869 | -32.5 |
| Remington Core Lokt | 150 Grains | Muzzle | 3450 | 3964 | -1.5 |
| Remington Core Lokt | 150 Grains | 100 | 3110 | 3221 | +1.4 |
| Remington Core Lokt | 150 Grains | 200 | 2795 | 2602 | 0.0 |
| Remington Core Lokt | 150 Grains | 300 | 2500 | 2081 | -6.4 |
| Remington Core Lokt | 150 Grains | 400 | 2225 | 1649 | -19.2 |
| Remington Core Lokt | 150 Grains | 500 | 1965 | 1286 | -40.5 |
| Barnes VOR TX TTSX | 165 Grains | Muzzle | 3360 | 4136 | -1.5 |
| Barnes VOR TX TTSX | 165 Grains | 100 | 3135 | 3600 | +1.3 |
| Barnes VOR TX TTSX | 165 Grains | 200 | 2920 | 3122 | 0.0 |
| Barnes VOR TX TTSX | 165 Grains | 300 | 2715 | 2700 | -6.0 |
| Barnes VOR TX TTSX | 165 Grains | 400 | 2520 | 2326 | -17.2 |
| Barnes VOR TX TTSX | 165 Grains | 500 | 2335 | 1997 | -34.8 |
| Nosler Custom Accubond | 165 Grains | Muzzle | 3350 | 4111 | -1.5 |
| Nosler Custom Accubond | 165 Grains | 100 | 3140 | 3612 | +1.3 |
| Nosler Custom Accubond | 165 Grains | 200 | 2940 | 3166 | 0.0 |
| Nosler Custom Accubond | 165 Grains | 300 | 2750 | 2770 | -5.9 |
| Nosler Custom Accubond | 165 Grains | 400 | 2570 | 2420 | -16.8 |
| Nosler Custom Accubond | 165 Grains | 500 | 2395 | 2101 | -33.6 |
| Hornady Outfitter CX | 180 Grains | Muzzle | 3200 | 4093 | -1.5 |
| Hornady Outfitter CX | 180 Grains | 100 | 2988 | 3569 | +1.5 |
| Hornady Outfitter CX | 180 Grains | 200 | 2787 | 3104 | 0.0 |
| Hornady Outfitter CX | 180 Grains | 300 | 2594 | 2690 | -6.7 |
| Hornady Outfitter CX | 180 Grains | 400 | 2410 | 2321 | -19.4 |
| Hornady Outfitter CX | 180 Grains | 500 | 2233 | 1992 | -39.1 |
| Remington Premier Scirocco | 180 Grains | Muzzle | 3250 | 4221 | -1.5 |
| Remington Premier Scirocco | 180 Grains | 100 | 3051 | 3719 | +1.4 |
| Remington Premier Scirocco | 180 Grains | 200 | 2860 | 3268 | 0.0 |
| Remington Premier Scirocco | 180 Grains | 300 | 2677 | 2864 | -6.4 |
| Remington Premier Scirocco | 180 Grains | 400 | 2502 | 2501 | -18.2 |
| Remington Premier Scirocco | 180 Grains | 500 | 2334 | 2177 | -36.5 |
| Nosler Trophy Grade Partition | 180 Grains | Muzzle | 3200 | 4092 | -1.5 |
| Nosler Trophy Grade Partition | 180 Grains | 100 | 2989 | 3571 | +1.2 |
| Nosler Trophy Grade Partition | 180 Grains | 200 | 2789 | 3108 | 0.0 |
| Nosler Trophy Grade Partition | 180 Grains | 300 | 2597 | 2696 | -5.7 |
| Nosler Trophy Grade Partition | 180 Grains | 400 | 2413 | 2327 | -16.5 |
| Nosler Trophy Grade Partition | 180 Grains | 500 | 2237 | 2000 | -33.3 |
| Copper Creek Nosler Partition | 180 Grains | Muzzle | 3180 | 4041 | -1.5 |
| Copper Creek Nosler Partition | 180 Grains | 100 | 2970 | 3525 | +1.5 |
| Copper Creek Nosler Partition | 180 Grains | 200 | 2770 | 3066 | 0.0 |
| Copper Creek Nosler Partition | 180 Grains | 300 | 2580 | 2660 | -6.8 |
| Copper Creek Nosler Partition | 180 Grains | 400 | 2395 | 2292 | -19.7 |
| Copper Creek Nosler Partition | 180 Grains | 500 | 2220 | 1970 | -39.6 |
| Swift High Grade Scirocco | 180 Grains | Muzzle | 3220 | 4143 | -1.5 |
| Swift High Grade Scirocco | 180 Grains | 100 | 3020 | 3645 | +1.4 |
| Swift High Grade Scirocco | 180 Grains | 200 | 2830 | 3201 | 0.0 |
| Swift High Grade Scirocco | 180 Grains | 300 | 2650 | 2806 | -6.5 |
| Swift High Grade Scirocco | 180 Grains | 400 | 2475 | 2448 | -18.6 |
| Swift High Grade Scirocco | 180 Grains | 500 | 2305 | 2123 | -37.2 |
| DoubleTap Nosler AccuBond | 180 Grains | Muzzle | 3300 | 4352 | -1.5 |
| DoubleTap Nosler AccuBond | 180 Grains | 100 | 3100 | 3840 | +1.3 |
| DoubleTap Nosler AccuBond | 180 Grains | 200 | 2910 | 3384 | 0.0 |
| DoubleTap Nosler AccuBond | 180 Grains | 300 | 2725 | 2967 | -6.1 |
| DoubleTap Nosler AccuBond | 180 Grains | 400 | 2550 | 2598 | -17.5 |
| DoubleTap Nosler AccuBond | 180 Grains | 500 | 2380 | 2264 | -34.8 |
| Choice Ammunition TTSX | 180 Grains | Muzzle | 3210 | 4118 | -1.5 |
| Choice Ammunition TTSX | 180 Grains | 100 | 2998 | 3592 | +1.4 |
| Choice Ammunition TTSX | 180 Grains | 200 | 2796 | 3124 | 0.0 |
| Choice Ammunition TTSX | 180 Grains | 300 | 2603 | 2708 | -6.7 |
| Choice Ammunition TTSX | 180 Grains | 400 | 2420 | 2341 | -19.2 |
| Choice Ammunition TTSX | 180 Grains | 500 | 2244 | 2012 | -38.6 |
| HPR Ammunition TTSX | 180 Grains | Muzzle | 3190 | 4066 | -1.5 |
| HPR Ammunition TTSX | 180 Grains | 100 | 2980 | 3550 | +1.5 |
| HPR Ammunition TTSX | 180 Grains | 200 | 2778 | 3084 | 0.0 |
| HPR Ammunition TTSX | 180 Grains | 300 | 2585 | 2670 | -6.9 |
| HPR Ammunition TTSX | 180 Grains | 400 | 2402 | 2306 | -19.5 |
| HPR Ammunition TTSX | 180 Grains | 500 | 2226 | 1980 | -39.3 |
| Norma Bondstrike | 180 Grains | Muzzle | 3182 | 4048 | -1.5 |
| Norma Bondstrike | 180 Grains | 100 | 3020 | 3645 | +1.5 |
| Norma Bondstrike | 180 Grains | 200 | 2864 | 3278 | 0.0 |
| Norma Bondstrike | 180 Grains | 300 | 2713 | 2942 | -6.2 |
| Norma Bondstrike | 180 Grains | 400 | 2568 | 2636 | -17.3 |
| Norma Bondstrike | 180 Grains | 500 | 2427 | 2354 | -34.0 |
| Federal Premium TBBC | 180 Grains | Muzzle | 3200 | 4092 | -1.5 |
| Federal Premium TBBC | 180 Grains | 100 | 2975 | 3537 | +1.5 |
| Federal Premium TBBC | 180 Grains | 200 | 2760 | 3044 | 0.0 |
| Federal Premium TBBC | 180 Grains | 300 | 2555 | 2609 | -6.8 |
| Federal Premium TBBC | 180 Grains | 400 | 2360 | 2226 | -19.8 |
| Federal Premium TBBC | 180 Grains | 500 | 2175 | 1890 | -40.1 |
| Remington Premier A Frame | 200 Grains | Muzzle | 3032 | 4082 | -1.5 |
| Remington Premier A Frame | 200 Grains | 100 | 2793 | 3464 | +1.8 |
| Remington Premier A Frame | 200 Grains | 200 | 2566 | 2924 | 0.0 |
| Remington Premier A Frame | 200 Grains | 300 | 2352 | 2456 | -8.2 |
| Remington Premier A Frame | 200 Grains | 400 | 2148 | 2049 | -24.2 |
| Remington Premier A Frame | 200 Grains | 500 | 1954 | 1695 | -49.4 |
| Federal Premium Terminal Ascent | 200 Grains | Muzzle | 3050 | 4130 | -1.5 |
| Federal Premium Terminal Ascent | 200 Grains | 100 | 2895 | 3721 | +1.7 |
| Federal Premium Terminal Ascent | 200 Grains | 200 | 2745 | 3345 | 0.0 |
| Federal Premium Terminal Ascent | 200 Grains | 300 | 2600 | 3001 | -7.4 |
| Federal Premium Terminal Ascent | 200 Grains | 400 | 2460 | 2687 | -21.1 |
| Federal Premium Terminal Ascent | 200 Grains | 500 | 2325 | 2400 | -42.0 |
| DoubleTap Nosler Partition | 200 Grains | Muzzle | 3080 | 4212 | -1.5 |
| DoubleTap Nosler Partition | 200 Grains | 100 | 2870 | 3657 | +1.7 |
| DoubleTap Nosler Partition | 200 Grains | 200 | 2670 | 3165 | 0.0 |
| DoubleTap Nosler Partition | 200 Grains | 300 | 2478 | 2726 | -7.5 |
| DoubleTap Nosler Partition | 200 Grains | 400 | 2295 | 2339 | -21.6 |
| DoubleTap Nosler Partition | 200 Grains | 500 | 2120 | 1995 | -43.5 |
| Swift High Grade A Frame | 200 Grains | Muzzle | 3000 | 3996 | -1.5 |
| Swift High Grade A Frame | 200 Grains | 100 | 2765 | 3395 | +1.9 |
| Swift High Grade A Frame | 200 Grains | 200 | 2540 | 2865 | 0.0 |
| Swift High Grade A Frame | 200 Grains | 300 | 2325 | 2400 | -8.5 |
| Swift High Grade A Frame | 200 Grains | 400 | 2120 | 1995 | -25.2 |
| Swift High Grade A Frame | 200 Grains | 500 | 1925 | 1645 | -51.5 |
| Copper Creek ELD X | 200 Grains | Muzzle | 3050 | 4130 | -1.5 |
| Copper Creek ELD X | 200 Grains | 100 | 2890 | 3709 | +1.7 |
| Copper Creek ELD X | 200 Grains | 200 | 2735 | 3321 | 0.0 |
| Copper Creek ELD X | 200 Grains | 300 | 2585 | 2967 | -7.4 |
| Copper Creek ELD X | 200 Grains | 400 | 2440 | 2643 | -21.2 |
| Copper Creek ELD X | 200 Grains | 500 | 2300 | 2349 | -42.4 |
| Hornady Precision Hunter | 212 Grains | Muzzle | 2950 | 4096 | -1.5 |
| Hornady Precision Hunter | 212 Grains | 100 | 2815 | 3729 | +1.8 |
| Hornady Precision Hunter | 212 Grains | 200 | 2685 | 3393 | 0.0 |
| Hornady Precision Hunter | 212 Grains | 300 | 2558 | 3080 | -7.7 |
| Hornady Precision Hunter | 212 Grains | 400 | 2435 | 2790 | -21.8 |
| Hornady Precision Hunter | 212 Grains | 500 | 2315 | 2523 | -43.2 |
| HSM Trophy Gold Berger | 210 Grains | Muzzle | 2980 | 4141 | -1.5 |
| HSM Trophy Gold Berger | 210 Grains | 100 | 2840 | 3760 | +1.8 |
| HSM Trophy Gold Berger | 210 Grains | 200 | 2705 | 3411 | 0.0 |
| HSM Trophy Gold Berger | 210 Grains | 300 | 2575 | 3092 | -7.6 |
| HSM Trophy Gold Berger | 210 Grains | 400 | 2448 | 2795 | -21.4 |
| HSM Trophy Gold Berger | 210 Grains | 500 | 2325 | 2520 | -42.2 |
| Choice Ammunition Berger | 210 Grains | Muzzle | 2960 | 4085 | -1.5 |
| Choice Ammunition Berger | 210 Grains | 100 | 2820 | 3707 | +1.8 |
| Choice Ammunition Berger | 210 Grains | 200 | 2685 | 3361 | 0.0 |
| Choice Ammunition Berger | 210 Grains | 300 | 2555 | 3044 | -7.8 |
| Choice Ammunition Berger | 210 Grains | 400 | 2428 | 2749 | -21.9 |
| Choice Ammunition Berger | 210 Grains | 500 | 2305 | 2478 | -43.1 |
| Nosler Custom Accubond LR | 210 Grains | Muzzle | 2950 | 4057 | -1.5 |
| Nosler Custom Accubond LR | 210 Grains | 100 | 2825 | 3721 | +1.8 |
| Nosler Custom Accubond LR | 210 Grains | 200 | 2705 | 3411 | 0.0 |
| Nosler Custom Accubond LR | 210 Grains | 300 | 2588 | 3123 | -7.6 |
| Nosler Custom Accubond LR | 210 Grains | 400 | 2474 | 2854 | -21.4 |
| Nosler Custom Accubond LR | 210 Grains | 500 | 2363 | 2603 | -41.8 |
| Choice Ammunition Berger Hybrid | 230 Grains | Muzzle | 2820 | 4061 | -1.5 |
| Choice Ammunition Berger Hybrid | 230 Grains | 100 | 2700 | 3722 | +2.1 |
| Choice Ammunition Berger Hybrid | 230 Grains | 200 | 2585 | 3412 | 0.0 |
| Choice Ammunition Berger Hybrid | 230 Grains | 300 | 2472 | 3121 | -8.6 |
| Choice Ammunition Berger Hybrid | 230 Grains | 400 | 2362 | 2849 | -24.1 |
| Choice Ammunition Berger Hybrid | 230 Grains | 500 | 2255 | 2596 | -47.1 |
| Copper Creek Berger Hybrid | 230 Grains | Muzzle | 2800 | 4004 | -1.5 |
| Copper Creek Berger Hybrid | 230 Grains | 100 | 2680 | 3667 | +2.2 |
| Copper Creek Berger Hybrid | 230 Grains | 200 | 2565 | 3359 | 0.0 |
| Copper Creek Berger Hybrid | 230 Grains | 300 | 2452 | 3070 | -8.8 |
| Copper Creek Berger Hybrid | 230 Grains | 400 | 2342 | 2801 | -24.6 |
| Copper Creek Berger Hybrid | 230 Grains | 500 | 2235 | 2551 | -48.2 |

Ammunition Load
The ammunition load specifies the brand and specific bullet design used in each factory or custom loaded cartridge. Premium options like the Barnes TTSX offer solid copper construction for deep penetration, while choices like the Hornady ELD X feature advanced polymer tips to maximize aerodynamic efficiency across vast distances.
Bullet Weight
Bullet weight is measured in grains. For this cartridge, weights typically range from lightweight 150 grain options all the way up to massive 230 grain long range projectiles. A 150 grain bullet provides blisteringly fast muzzle speeds, while heavy 210 grain to 230 grain bullets are favored by precision shooters for their incredible resistance to crosswinds.
Distance
Distance is measured in yards from the muzzle of the rifle. The chart provides ballistic intervals covering point blank range out to 500 yards. Reviewing the data across these distances is critical for hunters to understand exactly when their chosen bullet drops below the velocity threshold required for reliable terminal expansion.
Velocity
Velocity indicates the speed of the projectile measured in feet per second. The sheer case capacity of this round allows it to launch heavy bullets at incredible speeds. Pushing a 180 grain bullet past 3,200 feet per second is standard performance. This intense velocity creates massive hydrostatic shock upon impact and keeps the trajectory exceptionally flat.
Energy
Energy measures the raw kinetic destructive power of the bullet, calculated in foot pounds. This magnum generates well over 4,000 foot pounds of energy at the muzzle. Even at a full 500 yards, most heavy bullet loads retain more than 2,000 foot pounds of energy. This guarantees reliable knockdown power on massive animals like elk, moose, and brown bear.
Bullet Drop
Bullet drop shows the physical height of the projectile relative to your line of sight. The data in this chart reflects a standard 200 yard zero. Because of the hyper velocity, the trajectory remains incredibly flat. When zeroed at 200 yards, a hunter will typically only see 6 to 8 inches of bullet drop at 300 yards. The negative 1.5 inch measurement at the muzzle accounts for the mechanical height of a standard rifle scope above the bore axis.
Cartridge Overview
Introduced in 1999, the .300 Remington Ultra Magnum is an uncompromising powerhouse. It is based on a blown out .404 Jeffery case with the rebated rim slightly altered. By removing the belt found on traditional magnums and maximizing the internal volume, engineers created a case that holds enormous amounts of slow burning powder. It remains one of the largest commercially produced .30 caliber magnums on the market today.
Hunting Performance
This cartridge is built exclusively for taking down the largest game on the planet at extended distances. The immense speed and energy guarantee deep penetration and massive tissue destruction. When targeting tough animals like Alaskan brown bear or African plains game, hunters rely on the superior stopping power this round delivers. It is highly recommended to use premium bonded or solid copper bullets to prevent premature fragmentation at these high impact speeds.
Effective Range
The effective range is limited only by the skill of the shooter. The cartridge carries lethal energy well past 1,000 yards. For ethical hunting purposes on medium to large game, a skilled marksman utilizing a modern laser rangefinder and dialing optics can easily take game at 600 to 800 yards under optimal weather conditions.
Comparison to 300 Winchester Magnum
While both cartridges use the exact same .308 diameter bullets, the Ultra Magnum possesses roughly 20 percent more case capacity. This extra powder volume allows it to push identical bullets 150 to 300 feet per second faster than the classic .300 Winchester Magnum. The trade off for this superior ballistics profile is significantly more recoil, shorter barrel life, and more expensive ammunition.
Recoil Characteristics
Shooters must be prepared for severe physical kick. Launching heavy projectiles at these speeds generates massive rearward force, easily exceeding 35 foot pounds of recoil energy in a standard hunting rifle. This level of recoil can cause flinching in inexperienced shooters. A high quality recoil pad and a properly installed muzzle brake are virtually mandatory to make the rifle comfortable during practice sessions.
Best Factory Ammunition Options
Because it requires massive powder charges and premium components, factory ammunition is expensive. The best factory loads available today include:
- Remington Premier Scirocco Bonded 180gr: An excellent choice for rapid expansion and deep penetration on heavy game.
- Nosler Trophy Grade Partition 180gr: The benchmark load for extreme bone breaking capability.
- Hornady Precision Hunter 212gr ELD X: The ultimate heavy bullet factory load for maximizing aerodynamic performance on extreme long range hunts.
Frequently Asked Questions
Does this cartridge require a special rifle action?
Yes. Because the overall cartridge length is quite long and the case body is exceptionally wide, it requires a full length magnum action rifle to function properly.
How long does a barrel last in this caliber?
Because you are burning nearly 90 to 100 grains of powder per shot, throat erosion happens very quickly. Competitive shooters might see a drop in precision after 800 to 1,000 rounds. However, for a dedicated hunting rifle that is fired sparingly, the barrel will easily last a lifetime.
Can I use standard bullets for reloading?
You should avoid using standard thin jacketed cup and core bullets. The extreme velocity will often cause standard bullets to completely explode on impact rather than penetrating. Always select premium bonded, partitioned, or monolithic solid copper bullets for hunting with this caliber.