223 Remington - 70gr Barnes TSX & Hornady GMX

Sully from Line 45 outlines seven essential calibers for gun owners to stockpile in anticipation of future ammunition shortages, emphasizing their specific roles and the current market conditions. The video highlights the importance of proactive stocking for calibers like 300 Blackout, 308 Winchester, 10mm Auto, 12 Gauge, 22 LR, 223 Remington/5.56 NATO, and 9mm Luger, detailing their performance characteristics and availability challenges.

This guide explains how to accurately measure AR-15 barrel length, which is crucial for understanding its impact on muzzle velocity, terminal performance, and legal classifications. Barrel length is measured from the closed bolt face to the muzzle crown, excluding muzzle devices unless permanently attached. Understanding these measurements is key for informed AR-15 builds and legal compliance.

This video from GUNBROS features an experienced speaker who argues that reloading ammunition is generally not cost-effective for most shooters, especially for common calibers like 9mm and .223 FMJ used for range shooting. He explains that mass production by companies like PMC, Magtech, and S&B offers unbeatable prices due to economies of scale. Reloading is presented as a viable option only for specialized needs such as wildcat cartridges or custom hunting rounds where precision and unique specifications are paramount.

This video demonstrates a scientific approach to testing whether bullets speed up after leaving the muzzle, using two chronographs placed at different distances. The experiment reveals that bullets consistently slow down due to atmospheric resistance and gravity, debunking the common misconception that they might accelerate. The instructor emphasizes the importance of understanding ballistic principles for accurate steel target rating and overall preparedness.

This video from Line 45 provides a comprehensive overview of 10 calibers experiencing significant price drops in 2025, making them ideal for stocking up. Instructor Ted highlights specific price points, availability, and recommended retailers for calibers like 9mm Luger, 5.56 NATO, .22 LR, and more. The advice focuses on leveraging current market conditions for cost-effective training and practice.

This video details a reloading and ballistics test of 223 Remington ammunition featuring 53gr and 55gr Hornady V-Max bullets. The instructor, Johnny, meticulously loads and tests various powder charges with IMR 3031, IMR 8208 XBR, and Power Pro Varmint, providing detailed velocity and group size data. The test highlights the performance differences between the two bullet weights and the impact of different powders on accuracy and consistency, offering insights for handloaders seeking optimal performance.

This guide details a successful method for removing a stuck cartridge case from a firearm barrel using hydraulic pressure generated by a high-pressure grease gun. The technique, demonstrated by Johnny's Reloading Bench, involves a custom adapter and motor oil to hydraulically force the case out. The video highlights the importance of proper tools and high pressure, showcasing a successful extraction that saved a valuable Krieger barrel.

Instruction from a firearms enthusiast and reloader on preparing and sizing 300 Winchester Magnum brass. The video details the challenges of reloading for this caliber, including the long throat of the Thompson Center Compass rifle and the importance of proper neck tension and shoulder bumping. It covers selecting collets, setting up sizing dies, using specialized tools for case maintenance, and determining optimal seating depths for accuracy.

This video provides an in-depth review and performance test of the Vortex Diamondback Tactical 6-24x50 rifle scope, presented by Johnny, an experienced gear reviewer. The review covers technical specifications, a practical tracking test (box test) at 100 yards, and optical quality comparisons with other Vortex models. Johnny highlights the scope's First Focal Plane (FFP) reticle and its value proposition for its price point, while also noting limitations in optical clarity compared to higher-end models.

This video provides a comprehensive guide to reloading .22-250 Remington ammunition, focusing on a Remington Model 788 with a Douglas barrel. It details component selection (brass, bullets, primers, powders), case preparation, powder charging, bullet seating, and initial range testing. The instructor emphasizes accuracy and velocity, aiming to develop loads suitable for varmint and deer hunting, while also highlighting potential challenges with certain components and the firearm's specific characteristics.