Cameras Don't Lie: 9mm vs .45 ACP

Published on August 5, 2020
Duration: 3:17

High-speed camera analysis reveals significant differences between 9mm and .45 ACP in identical Remington RP pistols. The .45 ACP exhibited greater muzzle rise (45 degrees) and torque due to slower slide cycling, while the 9mm showed less muzzle rise (under 30 degrees) and faster cycling, indicating better control.

Quick Summary

High-speed camera analysis comparing 9mm and .45 ACP in identical Remington RP pistols revealed the 9mm offers better control with under 30 degrees of muzzle rise and no torque, while the .45 ACP showed nearly 45 degrees of rise and rightward torque.

Chapters

  1. 00:00Intro: 9mm vs .45 ACP Debate
  2. 01:07.45 ACP Performance Analysis
  3. 02:019mm Performance & Comparison

Frequently Asked Questions

How does 9mm compare to .45 ACP in terms of muzzle rise?

Using high-speed cameras, the 9mm showed significantly less muzzle rise, under 30 degrees, compared to the .45 ACP which exhibited nearly 45 degrees of rise in identical Remington RP pistols.

What did high-speed cameras reveal about slide lock time differences?

The .45 ACP's slide unlocked earlier due to bullet mass, contributing to its greater muzzle rise. The 9mm's faster cycling and less energy resulted in a more controlled recoil sequence.

Which caliber offers better control based on the high-speed analysis?

The analysis concluded that 9mm offers better control. It demonstrated less muzzle rise and no torque, unlike the .45 ACP which showed significant rise and a torque to the right.

What specific ammunition was used in the 9mm vs .45 ACP test?

The test used Hornady American Gunner ammunition: a 230-grain load for the .45 ACP in the Remington RP45, and a 115-grain load for the 9mm in the Remington RP9.

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