The .45-70 Government has been around since 1873 — longer than the state of Oregon itself — and it refuses to go away. That's because it works. Whether you're hunting blacktail deer in the Coast Range brush, chasing black bear in the Cascades, or running hogs on eastern Oregon ranchland, the .45-70 delivers a massive, hard-hitting bullet at moderate velocity that kills cleanly at woods ranges. With careful handloading, you can tune the cartridge from mild reduced loads all the way up to dangerous-game-capable pressure levels, depending on your rifle's action strength.

Know Your Action Before You Load

This is the most critical point in .45-70 handloading and it cannot be overstated: not all .45-70 rifles are created equal, and loads safe in one action can destroy another.

  • Trapdoor Springfield / antique actions: These original Springfield conversions are weak by modern standards. Stay within Trapdoor-safe load data, typically 25,000 CUP or less. Trapdoor loads use light bullets (300–405 gr.) at low velocity (1,100–1,350 fps). Never use modern lever-action load data in a Trapdoor.
  • Marlin 1895 and Winchester 1886 reproductions: These strong lever actions are the most common .45-70 platforms today. SAAMI max pressure is 28,000 CUP (roughly 40,000 PSI in the modern transducer scale), and most published load data for "lever action" or "strong modern rifle" falls into this category. This is where the majority of hunters will be loading.
  • Ruger No. 1, Browning 1885, and modern bolt actions: These single-shot and bolt-action platforms are the strongest .45-70 actions available. Some reloaders and custom load developers push these actions with "Ruger-only" or "strong single-shot" data that exceeds SAAMI spec. Proceed with extreme caution and work up carefully.

Always identify your action type before selecting load data. When in doubt, use standard Marlin-level data. It's plenty powerful for anything in North America at woods ranges.

Brass, Primers, and Prep

Federal, Starline, Winchester, and Remington all produce quality .45-70 brass. Starline is a favorite among high-volume handloaders for its consistency and durability — it holds up well to full-length sizing and heavy loads. Trim length is 2.090", and cases should be trimmed to 2.085" after resizing. Debur the case mouth inside and out before loading.

Primers: use a standard large rifle primer for most loads. Federal 210, CCI 200, and Remington 9.5 all work well. Some reloaders prefer magnum large rifle primers (CCI 250, Federal 215) with slower powders in cold-weather hunting conditions, though it's rarely necessary with the powder charges used in .45-70 loads.

Bullet Selection

The .45-70 takes .458" diameter bullets. The range of commercially available options is wide:

  • 300 gr. JHP/JSP: Lighter and faster (up to ~2,000 fps in strong actions), these are good for deer-sized game but give up some of the .45-70's traditional punch.
  • 350 gr. FP: A nice middle-ground bullet. Hornady's 350 gr. FP in the LEVERevolution line loaded with the polymer flex tip is a popular factory choice, and the bullet is available as a component. Good all-around deer and bear load.
  • 405 gr. FP: The original government load weight. Slow and subsonic out of most lever guns (around 1,350 fps), but massive frontal diameter. Cast lead 405 gr. loads are economical for practice and hunting.
  • 500 gr. FP/WFN: Heavy hardcast loads for bear and hog at close range. These push the limits of the Marlin action and are best reserved for strong single-shots. At 1,300–1,500 fps with a wide flat nose, they deliver tremendous tissue destruction at 50 yards and under.

Recommended Load Data (Marlin 1895-Strength Actions)

Always begin 10% below listed starting loads and work up while watching for pressure signs.

350 gr. Hornady FP — Deer and Black Bear

  • IMR 3031: 48.0–52.0 gr. | 1,650–1,850 fps | Accurate, manageable recoil
  • H322: 46.0–50.0 gr. | 1,600–1,800 fps | Clean burning, excellent accuracy
  • Varget: 50.0–54.0 gr. | 1,700–1,900 fps | Good velocity, popular choice

405 gr. Cast Lead FP — Traditional All-Around Load

  • H4198: 48.0–52.0 gr. | 1,350–1,500 fps | Classic .45-70 performance
  • IMR 4198: 46.0–50.0 gr. | 1,300–1,475 fps | Consistent, good metering
  • BL-C(2): 55.0–59.0 gr. | 1,400–1,600 fps | Good velocity with cast

300 gr. HP/SP — Higher Velocity Deer Loads

  • IMR 3031: 53.0–57.0 gr. | 1,800–2,050 fps | Best velocity option for Marlin actions
  • H322: 50.0–54.0 gr. | 1,750–2,000 fps | Excellent accuracy node typically around 52 gr.

Recoil Management

The .45-70 is not a comfortable cartridge in a 7-pound lever gun. Felt recoil with heavy loads is substantial — comparable to or exceeding a 12-gauge slug gun. A few things help: a good recoil pad (Limbsaver or Pachmayr), a shooting jacket or padded vest, and simply training yourself to hold the rifle firmly rather than loosely. A loose grip amplifies perceived recoil significantly. Reduced loads with 300 gr. bullets and moderate powder charges are also much more comfortable for extended range sessions while still being entirely adequate for deer hunting.

Practical Field Performance

The .45-70 is at its best inside 200 yards. A 350 gr. bullet leaving the muzzle at 1,800 fps drops roughly 8 inches at 150 yards when zeroed at 100 yards, and about 23 inches at 200. This is a point-blank-range hunting cartridge, not a flat-shooting precision tool. But inside those distances — which cover the vast majority of shots in Oregon's timber, brush, and canyon country — it is devastatingly effective. Heavy bullets moving at moderate velocity create wide wound channels, and the .458" frontal diameter means there's no question about terminal performance on deer, bear, or elk at 75 yards.

If you own a Marlin 1895, a Guide Gun, or an old trap-door you've been looking at with handloading on your mind, the .45-70 is one of the most rewarding cartridges to develop loads for. The spread between minimum and maximum is wide, the accuracy is surprisingly good with the right components, and the finished product is a hunting round that carries 150 years of field-proven history behind it.