Powder burn rates and barrel length.

This video title, "Minha munição mais potente" (My most powerful ammunition), strongly suggests a focus on high-caliber or exceptionally potent firearms ammunition. It implies a demonstration or discussion about the power and capabilities of specific rounds, likely intended for enthusiasts interested in ballistics, terminal performance, or powerful firearm platforms. The content is expected to delve into the specifics of the ammunition itself and potentially the firearms chambered for it, highlighting its "power."

This video debunks the myth of the .38 Special being solely a low-power round, highlighting its historical development and continued relevance. It explores its effectiveness, especially with modern +P ammunition, and its enduring popularity for concealed carry due to reliability and simplicity. The discussion also touches upon the practical advantages for reloaders and its trusted status in self-defense and law enforcement.

This video, titled 'Instant Tracer Ammo,' focuses on a specific ammunition enhancement. While the description is minimal, the title directly implies a demonstration or explanation of how tracer rounds are created or function, suggesting an examination of their immediate and visible ballistic effects. The content likely appeals to firearm enthusiasts interested in ammunition performance, shooting technologies, and potentially range-based observations of projectile behavior.

This video explores the hypothetical scenario of firing a rifle bullet in reverse. It aims to explain the physics and potential outcomes of such an unusual act, likely delving into projectile dynamics and firearm mechanics. The content is geared towards understanding the behavior of ammunition when its intended trajectory is reversed, making it an educational piece for firearm enthusiasts interested in the technical aspects of shooting.

This video announces an upcoming release for a prototype pistol. While specific details about the firearm are not yet available, the title suggests a significant development in firearm technology or a new product launch. The announcement is anticipated to generate excitement within the firearms community, with viewers eager to learn more about the design, specifications, and potential applications of this new pistol.

This video tests if a 20-grain Aguila Super Colibri .22LR bullet can ignite a Firebird M50 reactive target, which typically requires a rifle-caliber hit. The subsonic, low-velocity round failed to detonate the target, only punching through. A full-power .22LR from a suppressed handgun eventually succeeded after multiple attempts, highlighting the limitations of very light, slow projectiles for explosive targets.

This head-to-head accuracy test compares the Ruger 10/22 and Marlin Model 60 .22 LR rifles. Both rifles demonstrated tight groups at 25 yards with various ammunition types. The Marlin Model 60 features a 17-round tube magazine and last-shot bolt hold-open, while the Ruger 10/22 is known for its extensive aftermarket support and 10-round rotary magazine.

This .38 Special ballistics gel test evaluated five different loads fired from a Smith & Wesson 642 snub-nose revolver. Only the Federal HST Micro and Hornady Critical Defense demonstrated reliable expansion, with the HST Micro showing a significant wound track despite shallower penetration. Lighter, expanding bullets appear more effective in short-barreled revolvers.

This ballistic gel test compares 9mm +P and .40 S&W HST ammunition. The .40 S&W demonstrated more dramatic expansion, while the 9mm +P achieved greater penetration. The host notes that .40 S&W offers superior terminal ballistics, but 9mm provides advantages in capacity and recoil management, especially in compact firearms.

This video provides a first look at the .50 Beowulf cartridge fired from an AR-15 platform rifle. It demonstrates the loading process, live fire, and the significant impact on steel targets. The footage highlights the rifle's side-charging mechanism and a Vortex red dot optic, showcasing the raw power of this big bore round.