Videos tagged with Concentricity

This episode of the Shark Coast Tactical podcast features Mike Pappas from Dead Air discussing their new Sandman X suppressor. The Sandman X is a 30-caliber rifle silencer constructed from H-series alloy, designed with a low back-pressure, non-restrictive Trellion baffle system and three cone-style baffles for excellent gas management and sound attenuation. It is compatible with Hub Taper mounts, including Dead Air's Xeno and KeyMo systems, with varying weights depending on the mount.

This video discusses the complexities of suppressing AK-pattern rifles, highlighting the importance of barrel concentricity to avoid baffle strikes. It compares the Dead Air Wolverine, designed for AKs, with the Griffin Armament Bushwhacker 46, noting that while suppressors can reduce sound and flash, they often exacerbate gas blowback and negate the benefits of muzzle devices on AK platforms. The speaker generally prefers muzzle devices for recoil mitigation on AKs but acknowledges suppressors' utility in specific scenarios like home defense.

This guide details how to check suppressor mount concentricity, a critical step to prevent baffle strikes and protect your firearm and suppressor. Lead Firearms Instructor Justin from Palmetto State Armory demonstrates the process using a concentricity rod, emphasizing the importance of ensuring the barrel bore aligns perfectly with the suppressor's threads. Proper alignment is crucial for both safety and accuracy.

Adam Waineau of Ballistic Advantage discusses the critical factors in manufacturing accurate rifle barrels. He emphasizes starting with high-quality, match-grade barrel blanks with tight tolerances and maintaining concentricity throughout the machining process. Waineau also clarifies that barrel weight is not a primary determinant of accuracy, with factors like sequence of fire and heat affecting performance.

This video details an advanced reloading experiment comparing the impact of different sizing dies on cartridge runout and accuracy for the .223 Remington caliber. The instructor meticulously tests Lee, Redding, and Mighty Armory dies, along with various expander types, to quantify their effect on concentricity. The results are then correlated with 10-shot group performance at 100 yards, revealing surprising insights into how die choice can influence precision, while also highlighting the potential impact of barrel heat on group consistency.

This video details the Area 419 Hellfire mounting system, emphasizing its patented taper mount for secure and repeatable attachment of muzzle devices and suppressors. Craig from Area 419 explains how the system addresses issues with traditional timing and jam nut methods, offering universal adapters for various thread pitches and compatibility with multiple suppressor brands.

This video provides a comprehensive, start-to-finish guide on loading .223 Remington (5.56x45mm NATO) ammunition using the Lee APP press. It details the entire process, including initial setup, decapping, case feeding, swaging primer pockets, resizing, trimming, priming, and bullet seating. The creator emphasizes this is their first experience with the APP, openly addressing and working through various issues encountered during the process. The video concludes with CBTO and concentricity tests, followed by a range test of the loaded ammunition.

This guide explains the function and setup of L.E. Wilson bushing dies for reloading. It details how bushing dies offer adjustable neck sizing by using interchangeable bushings, which is crucial for managing varying brass neck thicknesses across different manufacturers and calibers. The process involves measuring the cartridge neck, selecting a bushing (typically 0.001" to 0.003" smaller than the loaded cartridge neck diameter), inserting it into the die, and setting the stem to allow for slight float. This method helps improve case concentricity and consistency, especially for precision shooting applications.