O tamanho do barril faz diferença?

This expert review of the Glock 45 Gen 6, based on 630 rounds fired, finds it performs similarly to previous generations but with notable improvements. The grip texture, forward serrations, and trigger guard undercut enhance control, while the flat-faced trigger offers a slight, though not revolutionary, improvement. The presenter, a seasoned firearms instructor, highlights the pistol's reliability with various ammunition types and anticipates strong aftermarket support, while also recommending legal coverage for gun owners.

This AT3 Tactical video seeks community input for their AR-15 barrels guide, specifically focusing on the optimal barrel length. The instructor, demonstrating expertise through a multi-episode series, encourages viewers to share their opinions and justifications for the 'absolute best' barrel length. This interactive approach aims to gather diverse perspectives for an upcoming episode.

This YouTube video delves into the effectiveness and history of the .45 ACP caliber, aiming to challenge common perceptions, particularly among 9mm enthusiasts. It promises to uncover facts beyond the surface, covering historical context from 1911 and modern performance statistics of this "fight-stopper." The content appears to be a comparative analysis or informational piece focusing on the firepower and longevity of the .45 ACP.

Amber and Doshie from Exile Armory showcase a wide array of new firearms and accessories. The video features various pistols, rifles, shotguns, and suppressors from brands like FN, Q, Bergara, Springfield Armory, and Beretta, with detailed pricing and some technical specifications provided. The presentation is casual and informative, highlighting new inventory for customers.

This review provides a first look at the Smith & Wesson Equalizer, highlighting its comfortable ergonomics and easy-to-use features, reminiscent of the EZ series. The instructor, demonstrating experienced handling, notes the pistol's smooth operation during the first magazine, suggesting it's a strong option for individuals with hand strength limitations seeking a 9mm handgun with good capacity.

This video from Locs N Load Firearm Reviews showcases a shooting demonstration with a Glock handgun, possibly modified. The reviewer describes the experience as fun but notes the firearm's inaccuracy during the session. Visuals include close-ups of the speaker, the firearm in action, and multiple firearms on a table.

This video explores the theoretical and practical outcome of loading a 50 BMG cartridge into a 12 gauge flare gun. The experiment, conducted by a hobbyist, demonstrates that while the 50 BMG cartridge surprisingly fits, the flare gun's firing mechanism and primer strength are insufficient to ignite it. The test highlights the significant differences in primer resistance between ammunition types.

This video debunks the myth that shooting upwards is safe, explaining the lethal terminal velocity of falling projectiles. It showcases the Canik Mete MC9 Prime with a Gideon Valor optic and demonstrates the use of 9mm shot shells for controlled, less dangerous demonstrations, highlighting their unique projectile dispersal.

This video debunks the myth that a .50 BMG round passing near a target can be lethal due to shockwave. Using a ballistic mannequin head and a Big Kahuna Firearms Raptor-50 rifle, the test demonstrated that while the .50 BMG round impacted and destroyed a concrete block behind the target, it did not affect the mannequin or the cardboard placed near it. The conclusion is that a near miss from a .50 BMG is not fatal.

This video conducts a destructive test comparing the impact of .22 LR and .50 BMG rounds on a ballistic head model. The .22 LR caused minimal damage, while the .50 BMG completely destroyed the head, highlighting the vast difference in energy and destructive potential between the two calibers. The test also showcases the Raptor .50 BMG upper receiver as an accessible way to experience .50 BMG ballistics on an AR-15 platform.