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Gun Data of the Day – Day 14

Today, we look at the .45-70, a cartridge that still sees use for sportsmen after over 140 years.

Parent case .50-90 Sharps
Case type Rimmed, tapered[1]
Bullet diameter .458 in (11.6 mm)
Neck diameter .480 in (12.2 mm)
Base diameter .505 in (12.8 mm)
Rim diameter .608 in (15.4 mm)
Rim thickness .070 in (1.8 mm)
Case length 2.105 in (53.5 mm)
Overall length 2.550 in (64.8 mm)
Rifling twist 1-20″
Primer type Large rifle
Ballistic performance
Bullet weight/type Velocity Energy
300 (Trapdoor) Lead PB 1,597 ft/s (487 m/s) 1,699 ft·lbf (2,304 J)
405 (Trapdoor) Lead FN 1,394 ft/s (425 m/s) 1,748 ft·lbf (2,370 J)
300 (Standard) JHP 2,069 ft/s (631 m/s) 2,852 ft·lbf (3,867 J)
300 (Strong) JHP 2,275 ft/s (693 m/s) 3,449 ft·lbf (4,676 J)
Test barrel length: 24″
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1 Comment

  1. John in Philly

     /  June 22, 2015

    I still have a liking for the .45-70, and I wish I had bought that Ruger Number 1 in .45-70 quite a few years ago.

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