Videos tagged with Bolt Head

This review from Hunt Fish Shoot provides an expert-level assessment of the San Tan Tactical STT-15 rifle in 6mm ARC. The video details the rifle's performance at distances up to 700 yards, highlighting its accuracy, soft recoil, and reliable operation. It covers specific components like the Proof Research barrel, HUXWRX suppressor, CMC trigger, and Area 419 accessories, offering insights valuable for long-range shooting enthusiasts.

This video provides an expert-level overview of the Johnson M1941 Rifle's unique operating mechanism. It details the short recoil system where the barrel reciprocates, the rotary magazine's function, and the bolt head's locking lug system, drawing parallels to the AR-15. The instruction is delivered with deep technical insight, suitable for advanced firearm enthusiasts.

Mark Serbu discusses the challenges of manufacturing BFG 50A bolt carriers and other components, detailing a complex SolidWorks modeling process for a helical cam pin cutout. He also provides a public service announcement regarding firing pin retention in the BFG 50A and offers advice on removing a peened firing pin retainer. The video highlights the outsourcing of parts like bolt carriers and extractors due to production demands.

This expert guide details the Enfield L8, the final service iteration of the Lee Enfield No. 4 rifle, converted to 7.62x51mm NATO. It covers the necessary modifications to the barrel, magazine, bolt, sights, and charger guide, along with the historical context of its limited service and eventual replacement. The information is presented with high authority, drawing on deep knowledge of British military nomenclature and technical analysis.

This expert guide details the critical reassembly procedure for the Gewehr 1888 bolt head, a common point of failure that can lead to dangerous out-of-battery discharges due to lack of case head support. The instructor emphasizes the importance of correct alignment to prevent gas escape and potential injury. Proper training and meticulous attention to detail are paramount for safe operation of this historical rifle.

This video delves into a rare BSA Prototype Charger-Bridge Enfield, likely developed before the widespread adoption of the SMLE's fixed charger bridge. Expert Ian McCollum meticulously examines its unique features, including a provisional patent marking on the charger guide and specific proof marks on the barrel, suggesting a post-1904 manufacturing date. The rifle's exact historical context and purpose remain a mystery, highlighting a fascinating 'hole in history' for firearm enthusiasts.

This video provides an expert look at the Daniel Defense DELTA 5 bolt, presented by Product Design Lead Daniel McLeroy. It details the bolt's floating design, removable bolt head, spring ejector, and dog-leg extractor. The DLC coating is highlighted for improving lubricity and reducing cleaning needs, while the 5/16 threaded bolt arm allows for easy customization with aftermarket knobs.

This Q&A segment from InRangeTV discusses the wear characteristics of HK's roller-delayed blowback system. It clarifies that the rollers themselves do not wear the receiver but may wear the trunnion recesses. The discussion also touches on how oversized rollers are used to correct headspace issues, indicating wear on the trunnion recesses over time.

The Ross Mk.III rifle, a Canadian WWI-era firearm, is detailed with its history, technical specifications, and operational issues. Despite its smooth straight-pull action and target-shooting potential, the rifle suffered from numerous reliability problems, including ammunition compatibility issues, soft bolt heads, and chambering problems, ultimately leading to its withdrawal from front-line service. The video provides a comprehensive overview, including disassembly instructions and user opinions on its handling and accuracy.

This guide details the unique disassembly process of the SIG AMT (Stgw 57), focusing on its distinctive roller-delayed blowback system and the massive bolt head. The video highlights the rifle's Swiss engineering, including a winter trigger guard and a recoil spring assembly that detaches like an MG42. Expert analysis from TFB TV emphasizes the rifle's precision and historical context.

This guide details the bolt disassembly procedure for Hungarian 35M, 43M, and G98/40 rifles, which are mechanically identical for this process. The steps involve unscrewing the cocking knob, removing the safety and sear, and then carefully manipulating the extractor and rotating the bolt body to separate the components. This procedure is essential for tasks like extractor replacement and proper maintenance.

This video provides a detailed breakdown of the AR-15 Bolt Carrier Group (BCG), explaining the function and technical specifications of each component. It covers the differences between full-auto and semi-auto carriers, proper assembly and disassembly procedures, and critical measurements like firing pin protrusion and extractor cam out. The instruction comes from an experienced individual in a shop environment, offering practical advice for maintaining and understanding the BCG.