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Common uses: Hunting, Big Game, Long Range
| Type | rifle (centerfire) |
| Typical load | 150gr Remington Core-Lokt PSP |
| Muzzle velocity | 3110 fps |
| Muzzle energy | 3222 ft-lb |
| Published G1 ballistic coefficient | 0.346 |
| Case length | 51.69 mm |
| Overall length | 71.76 mm |
| Range (yd) | Velocity (fps) | Energy (ft-lb) | Drop (in) |
|---|---|---|---|
| 0 | 3110 | 3221 | -1.5 |
| 100 | 2826 | 2660 | 0 |
| 200 | 2561 | 2183 | -2.9 |
| 300 | 2310 | 1777 | -11.1 |
| 400 | 2074 | 1432 | -25.8 |
| 500 | 1852 | 1142 | -48.7 |
At 1,000 yards, 7mm SAUM (150gr at 3110 fps, 100 yd zero, standard conditions) has a modeled come-up of about 36.4 MOA / 10.6 MIL, retaining 1073 fps (subsonic).
| Range (yd) | Velocity (fps) | State | Drop (in) | Elev (MOA) | Elev (MIL) |
|---|---|---|---|---|---|
| 300 | 2310 | Supersonic | -11.1 | 3.5 | 1.03 |
| 400 | 2074 | Supersonic | -25.8 | 6.2 | 1.79 |
| 500 | 1852 | Supersonic | -48.7 | 9.3 | 2.70 |
| 600 | 1647 | Supersonic | -81.8 | 13.0 | 3.79 |
| 700 | 1462 | Supersonic | -127.7 | 17.4 | 5.07 |
| 800 | 1301 | Transonic | -189.9 | 22.7 | 6.59 |
| 900 | 1171 | Transonic | -272.7 | 28.9 | 8.42 |
| 1000 | 1073 | Subsonic | -381.0 | 36.4 | 10.58 |
Extended predictions beyond 500 yards are modeled from the same G1 engine — useful for initial DOPE, but outside the 500-yard manufacturer-table validation audit. Confirm with observed DOPE, especially near transonic.
A retained-energy reference only — not a shoot/don't-shoot distance. Real effective range depends on your accuracy, shot placement, bullet construction, and conditions. The ~1,000 ft-lb (deer-sized) and ~1,500 ft-lb (elk-sized) figures are commonly cited rules of thumb, not standards.
Your barrel, ammunition lot, and conditions will differ — always verify against the manufacturer's data and your own rifle.
The 7mm SAUM is a short, efficient 7mm magnum that pushes typical hunting bullets to velocities almost indistinguishable from the 7mm WSM (the two differ by under roughly 50 fps), making it a capable open-country cartridge for deer, elk, and similar big game at extended range. Its short, fat, beltless case is regarded as inherently accurate and easy to feed, which is a large part of why the cartridge outlived its commercial neglect and became a favorite for custom builds and long-range work. In F-Class and precision long-range circles it has earned a strong reputation as a consistent performer well suited to heavy high-BC bullets. The practical drawback is availability: factory ammunition and rifles are scarce, so it is effectively a handloader's and custom-shop cartridge rather than an off-the-shelf choice. Within its niche, however, it is valued as one of the more accurate and well-balanced short 7mm magnums.
Remington introduced the 7mm Short Action Ultra Magnum (SAUM) in 2002 as a short-action, beltless magnum built on a shortened version of the company's Remington Ultra Magnum case, itself descended from the large .404 Jeffery case. It was developed largely as a response to Winchester's 7mm WSM, aiming to deliver near-magnum 7mm performance in a compact case that fit short-action rifles such as the Remington Model Seven Magnum. Arriving after the WSM had already claimed the short-magnum market, it never won broad factory support and remained a niche chambering, though it has since found a durable second life among custom rifle builders and handloaders.
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