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YouTuber "Alternate Arms Self Defense" Breaks Down the Byrna Compact Launcher

  • April 25, 2025

Understanding 0.61 vs 0.68 Caliber Launchers | Joules Explained!

Alternate Arms Self Defense breaks down the differences between 0.61 and 0.68 caliber launchers — and why joules matter! John brings in Luke (the numbers genius) to explain how impact energy is calculated, why the joule ratings were updated, and what it means for performance. 
👉 Learn how diameter affects kinetic energy
👉 See how volume impacts pepper payload 
👉 Find out how smaller rounds trade a little payload for higher velocity 

Unboxing, Testing, and Physics Breakdown of the Byrna Compact Launcher (CL)

In this detailed review, less-lethal weapons expert, Alternate Arms Self Defense, explores the new Byrna Compact Launcher (CL) — combining hands-on testing with an insightful look into the physics behind Byrna’s less-lethal technology. The CL is our most streamlined launcher yet, built for discreet, reliable protection without sacrificing stopping power.

In this video, you’ll see:

  • Complete unboxing: What you get with the Byrna CL

  • Design overview: How the compact, no-nonsense form factor is optimized for everyday carry

  • Live-fire demo: Firing kinetic rounds and testing accuracy, power, and ease of use

  • Physics breakdown: An explanation of how the CO₂ propulsion system works, projectile energy transfer, and the real-world effects on impact

With no permits or background checks required, the CL offers a serious self-defense option that’s legal, practical, and effective.

Whether you're new to Byrna or a longtime user, this video delivers a valuable, technical perspective on what makes the CL such a powerful tool in a compact form.

Watch the full review here:

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