.22LR vs .22HMR: Qual deles é melhor de verdade?

Published on March 3, 2026
Duration: 1:18

This guide, presented by an experienced instructor, details the critical importance of using the correct ammunition caliber for firearms, specifically highlighting issues with .22LR in a .22 Magnum chambered revolver. It demonstrates how incorrect ammunition can lead to case expansion, debris buildup, and significant accuracy deviations, emphasizing safety and proper firearm function. The video also points to Ammo Squared as a resource for ensuring correct ammunition delivery.

Quick Summary

Using .22LR ammunition in a firearm chambered for .22 Magnum is unsafe and can cause malfunctions. The .22LR case is shorter and may expand, creating debris in the cylinder. Always use the correct caliber ammunition specified for your firearm to ensure safety and proper function. Ammo Squared is mentioned as a resource for correct ammunition delivery.

Chapters

  1. 00:00Intro: .22LR vs .22HMR
  2. 00:19Shooting .22LR Tracer Rounds
  3. 00:48Casing Differences & Malfunctions
  4. 01:10Ammunition Resource Mention

Frequently Asked Questions

What are the main differences between .22LR and .22HMR ammunition?

.22LR and .22HMR are both rimfire cartridges but differ significantly. .22HMR (Hornady Magnum Rimfire) is a more powerful round with a longer case, higher velocity, and greater effective range than the standard .22LR (Long Rifle). They are not interchangeable in firearms.

Can I use .22LR ammunition in a .22 Magnum firearm?

No, you should not use .22LR ammunition in a firearm chambered for .22 Magnum. The .22LR case is shorter and will not headspace correctly, potentially leading to case expansion, debris in the cylinder, and firearm malfunctions. Always use the correct caliber.

What issues can arise from using the wrong ammunition caliber?

Using the wrong ammunition caliber, such as .22LR in a .22 Magnum firearm, can cause the incorrect casing to expand and jam the cylinder, creating debris. This can lead to misfires, reduced accuracy, and potential damage to the firearm. It's crucial to match ammo to the firearm's chambering.

Where can I find correctly matched ammunition for my firearm?

The video mentions Ammo Squared as a service that can deliver ammunition directly. It's always recommended to purchase ammunition from reputable dealers and double-check that the caliber listed on the box precisely matches your firearm's specifications.

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