AR10 Upper Receiver Block - VISM Vise Block

This guide details the process of smoothing the action on a Bear Creek Arsenal BC-10 bolt action AR chambered in .308 Winchester. The author addresses initial issues with a stiff and locking action by performing a deep cleaning and gently polishing the bolt lugs to simulate break-in wear. The process involves careful disassembly, cleaning, light polishing with a buffing wheel, lubrication, and reassembly, aiming to improve the overall smoothness of the bolt operation. The video also touches on optic mounting and initial range testing after the modifications.

This guide details how to address a seized AR-15 upper receiver, a common issue exacerbated by suppressor use and infrequent cleaning. The instructor, with extensive firearms experience, demonstrates a multi-stage approach starting with penetrating oils and progressing to more aggressive chemical cleaners when initial methods fail. The video emphasizes understanding dwell time and the effects of carbon buildup, offering practical solutions for a problem that can render a firearm inoperable.

This guide details the installation of a Hodge Defense S-Lock handguard, focusing on the proper seating of the gas tube and the unique wedge-lock system. The process emphasizes achieving a rigid lockup by utilizing a patented mechanism with ample bearing surface. The speaker, with extensive experience in barrels and handguards, highlights the importance of material choice (6061 aluminum) and design considerations for rigidity and customer needs.

This guide details the process of lapping an AR-15 receiver to ensure proper barrel alignment for improved long-range accuracy. Instructor Stephen Caleb from Brownells explains that receiver faces can be slightly out of alignment, leading to barrel runout. The process involves using a specialized lapping fixture and aluminum oxide lapping compound with a drill to create a perfectly flat receiver face. This ensures the barrel seats flush and square, critical for precision shooting beyond 500 yards.

This video provides a comprehensive, step-by-step guide to building an AR308 rifle. Hosted by Caleb and Dallas at Brownells, the tutorial covers the entire assembly process, from selecting components to final assembly. Key stages highlighted include building the lower receiver, installing a TriggerTech trigger, and fitting a Magpul PRS Gen 3 stock. It's designed to be accessible for both new builders and experienced individuals looking to enhance their skills.

This expert-level guide details the reassembly of the Ruger Harrier Rifle, presented by a Ruger firearms instructor. It covers the step-by-step process of assembling the bolt carrier group, installing it with the charging handle into the upper receiver, and joining the upper and lower receivers. Crucially, it emphasizes thorough function checks to ensure proper operation and safety after reassembly.

This content demonstrates the safety mechanism of a World War II fragmentation grenade, specifically the Mk 2 model. It highlights the importance of maintaining pressure on the safety lever while removing the pin. The video serves as a stark warning about the dangers of accidentally dropping a grenade once the pin is removed, as this action can lead to detonation.

This guide details the installation and operation of the Meta Tactical Apex Series bullpup conversion kit for Glock handguns, transforming them into carbine-like platforms. It covers the assembly process, accessory mounting, and operational features like rear magazine insertion and an integrated spare magazine holder. The video demonstrates safe handling and performance during live fire, highlighting the unique 16-inch barrel configuration. Instruction is provided by an experienced individual familiar with bullpup ergonomics and conversion kit assembly.

This guide, presented by 1st Shot Tactical, details the essential steps for safely transporting a handgun via commercial airline. It emphasizes using a hard-sided, lockable case like the Apache 1800, ensuring the firearm and magazines are unloaded, and properly declaring the weapon at check-in, drawing on the practitioner's expertise in firearm safety and airline protocols.

This guide details the process of throwing a fragmentation-style grenade, emphasizing the importance of immediate cover and cautious post-throw inspection. It highlights the need for proper tactical gear and awareness of range safety protocols. The content is presented by a tactical content creator familiar with range operations.