The .45-70 Government

An 1873 black-powder cartridge with a third career as a suppressed subsonic round — history, the SAAMI specification, the pressure tiers, brand by brand, and how far it actually reaches when you make it quiet.

Firearms

The .45-70 Government · Deep Dive

The .45-70 Government

Every velocity on the box is a 24-inch number. In a 16.5-inch carbine that is an advantage, not a compromise.

An 1873 black-powder cartridge with a third career as a suppressed subsonic round — history, the SAAMI specification, the pressure tiers, brand by brand, and how far it actually reaches when you make it quiet.

Photo: .45-70 Government cartridge by Hmaag · CC BY-SA 3.0

Search every volume:

?

How to search

sten gun
pages with both words
"sten gun"
the words together, as a phrase
sten OR sterling
either one (| works too)
sten -replica
leave out pages that mention “replica”

Without quotes, the last word also matches longer words that start with it (sten finds Stenophylla), and close word forms count (rifle finds rifles). Tick Exact words to match whole words only.

Whole deep dives are listed first, then the pages inside them.

    Volumes

    1. Vol 1 Overview — A Black-Powder Cartridge With a Second Career
    2. Vol 2 1873 — The Trapdoor, the .50-70, and What the Name Means
    3. Vol 3 The Cartridge Itself — What SAAMI Actually Specifies
    4. Vol 4 The Three Pressure Tiers, and Why SAAMI Publishes One
    5. Vol 5 Barrel Length — The 24-Inch Problem
    6. Vol 6 Going Subsonic — Temperature, and Why the Short Barrel Helps
    7. Vol 7 The Expansion Floor — Where the Range Actually Ends
    8. Vol 8 Trajectory, Zero, and the Drop You Will Actually Hold For
    9. Vol 9 Supersonic Ammunition — The Brand Survey
    10. Vol 10 Subsonic Ammunition — The Suppressed Shortlist
    11. Vol 11 Bullet Weight, Twist, and the Tube Magazine
    12. Vol 12 Terminal Performance by Species
    13. Vol 13 Optics, and What to Actually Buy