Videos tagged with Headspace Measurement

This guide details the process of resizing and trimming 6mm ARC brass for reloading. It covers using a small base sizing die, achieving the correct shoulder bump for semi-automatic rifles, and trimming cases to the appropriate length. The video emphasizes careful measurement and adjustment to ensure reliable function and brass longevity.

This video provides an in-depth review of the ODS-1775, a production AK-pattern rifle. It details various components, including the Magpul MOE stock, ALG trigger group, and Merc handguard, while also discussing the importance of proper bolt and headspace measurements. The review includes initial accuracy testing at 50 yards with Fiocchi ammunition, demonstrating the rifle's potential for precision despite its AK heritage.

This video explains the critical concept of firearm headspace, particularly in AK-47 rifles, defining it as the safe 'breathing room' between the bolt face and the chamber's datum. It details how to measure headspace using go, no-go, and field gauges, emphasizing the importance of not slamming the bolt onto the gauge for accurate readings. The instructor clarifies that while a no-go gauge indicates a used firearm, a field gauge signifies an unsafe condition for firing.

This guide details the process of reloading 224 Valkyrie cartridges, focusing on the use of RCBS dies after experiencing issues with Forester dies. It covers brass preparation, die setup, headspace measurement, bullet seating to specific overall lengths, and powder charging. The speaker emphasizes the importance of proper die adjustment and checking for pressure signs, while also discussing the performance of various bullet weights.

This video details the comprehensive process of preparing 6.5 Grendel brass for precision reloading and initiating load development. It covers meticulous case cleaning, resizing with a focus on controlled shoulder bump, trimming, and deburring. The instructor then moves into initial powder charge determination, emphasizing case capacity and the use of AR Comp powder, before outlining the setup for both Optimal Charge Weight (OCW) and ladder testing methodologies. The process includes setting up for consistent overall length and determining the distance to the lands for safe and effective load development.