Quickstart 1: Introduction to the Device - G7 Handheld Ballistic Calculator

This YouTube video, titled "Chumbinho de espingarda é preciso mesmo? Descubra a verdade!" (Is shotgun lead shot accurate? Discover the truth!), aims to investigate and reveal the accuracy of lead shot for shotguns. The title suggests a focus on testing and providing definitive answers about the performance of this specific ammunition type in a shotgun platform. The content likely involves practical demonstrations and analysis to address common questions or misconceptions regarding shotgun lead shot accuracy.

This YouTube video explores the effectiveness of small 9mm handguns in defeating body armor. It aims to provide insights into how such firearms can penetrate protective gear, addressing a common question among firearm enthusiasts regarding the capabilities of compact defensive weapons. The content likely involves ballistics testing and analysis to demonstrate penetration levels.

This YouTube video highlights a firearm that utilizes stripper clips. While the specific firearm model and caliber are not detailed in the provided information, the title strongly suggests a focus on the mechanism of loading via stripper clips. This feature is often found in certain rifle platforms and historical firearms, implying a review or demonstration of its functionality. The video likely appeals to firearm enthusiasts interested in reloading methods, historical firearms, or specific rifle designs.

This YouTube video, titled 'Craziest 45ACP Bullet Ever!', promises an in-depth look at an exceptionally powerful or unique .45 ACP projectile. Based solely on the title, the content likely revolves around ballistic performance, possibly featuring range testing or demonstrations of this specific ammunition. Viewers can expect discussions and visuals related to the effects and capabilities of the 'craziest' 45 ACP bullet ever encountered, likely highlighting its impact or terminal ballistics.

This video focuses on the Trigger Shark brand, specifically highlighting their triggers for Glock's "V Series" pistols. The content likely involves a review or demonstration of these aftermarket triggers, aiming to showcase their performance and potentially how they enhance the shooting experience of Glock firearms.

This video focuses on a unique firearm, the "Garand's Bizarre Bullpup," suggesting an exploration of an unusual variant or modification of the M1 Garand rifle. The description also points to "the best firearms reference books," implying a connection to historical firearms, detailed research, or collectible arms. Viewers can expect a deep dive into a less common configuration of a classic rifle, likely with historical context or technical analysis, and may find recommendations for further reading on firearms.

This video, "BEST AR15 Uppers - Part 4," appears to be the fourth installment in a series focusing on AR-15 upper receivers. While the description is empty, the title strongly suggests an in-depth review or comparison of various AR-15 upper receiver configurations, likely covering performance, features, and potentially recommendations for different shooting applications or budgets. Enthusiasts of the AR-15 platform can expect insights into components that significantly impact the rifle's functionality.

This YouTube video, titled "More Than A Pistol!", hints at content that goes beyond a simple handgun review. While specific firearm models or calibers are not detailed in the provided description, the title suggests a deeper dive into a pistol's capabilities, potential applications, or perhaps a comparison to other firearm types. The video could explore topics like concealed carry, home defense, or even modifications, offering a comprehensive look at what makes a pistol "more than just a pistol."

This video title, "Será que isso dispara cartuchos de espingarda?" (Can this shoot shotgun cartridges?), suggests an exploration or inquiry into the firing capabilities of an item, specifically referencing shotgun cartridges. The exact nature of the item is not revealed in the title or description. The content likely revolves around testing or demonstrating whether a particular device or firearm is capable of firing shotgun shells, potentially involving a review, a demonstration, or a question-and-answer format regarding its functionality.

This video showcases the rare Knight's Armament Silent Revolving Rifle, a custom firearm developed in the early 1990s for an unnamed agency. Based on a Ruger Redhawk revolver, the rifle was designed to be effectively silent, brass-free, and accurate, capable of 1.5" groups at 100 yards. This was achieved through a unique sabot ammunition with an o-ring seal to close the cylinder gap. Approximately 100 units were produced, with variants using .30-caliber and 7mm bores. The project was internally known as "r-squared."