Gas Block & Rail Installation

This guide details the process of building a 6.5 Grendel AR-15 upper receiver, covering component selection and installation. It emphasizes proper torque values for the barrel nut and handguard screws, gas block alignment using a borescope, and the assembly of a 6.5 Grendel bolt carrier group. The video highlights key differences from a standard AR-15 build, such as the barrel, bolt, firing pin, and magazine.

This guide details the installation of the Palmetto State Armory Sabre Builder Set, focusing on completing the upper receiver and attaching the QDSM M-LOK rail. It covers critical steps such as torquing the barrel nut to 50 ft-lbs, correctly positioning and torquing the gas block to 30 in-lbs, and securing the handguard with its specific screws to 30 in-lbs. The video emphasizes using the correct tools and torque specifications for a reliable firearm build.

This guide details the installation of the Palmetto State Armory Hex Rail on an AR-15 platform. It covers the proper torque specifications for the barrel nut (50 ft-lbs), gas block screws (30 in-lbs), handguard screws (40 in-lbs), and set screws (10 in-lbs). The process emphasizes careful alignment and sequential tightening of fasteners to ensure a secure and reliable handguard installation.

This video provides a comprehensive, step-by-step guide to building an AR-15 from kits. It covers the assembly of both the upper and lower receivers, detailing the installation of critical components like the barrel nut, gas block, trigger, and buffer tube. The guide emphasizes the use of specialized tools and proper techniques to ensure a successful build, concluding with a range test to confirm functionality.

This guide details the installation of International Barrels (IBI) pre-fit precision rifle barrels, compatible with Remington 700, Savage, and Tikka actions. The process involves securing the action, threading the barrel, using headspace gauges ('go' and 'no-go') to set precise tolerances, and torquing the barrel nut to under 50 ft-lbs. The instruction comes from a Brownells technical expert, emphasizing proper tool usage and safety.

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 provides expert instruction from nsz85 on how to properly load a 75-round drum magazine for the AK-47 rifle. It covers identifying components, resetting the follower, the specific loading procedure for rounds, winding the spring for tension, and crucial advice on releasing tension for storage to preserve spring life. The video emphasizes clear, step-by-step technical guidance for reliable firearm operation.

This guide details the basic field stripping and reassembly of an AR-15, as demonstrated by nsz85. It covers separating the upper and lower receivers, removing the bolt carrier group and charging handle, and reassembling the firearm. The video emphasizes proper magazine seating and the function of various controls. Instruction comes from an experienced individual with clear, practical advice for beginners.

This guide details the process of installing a standard A2 style flash hider onto an AR-15 platform, specifically a 10.5-inch Rainier Arms barrel. It covers necessary tools, thread preparation with AeroShell 33MS grease, crush washer orientation, and the critical step of indexing the muzzle device for optimal performance, especially when shooting prone. The instruction emphasizes precise alignment with the gas port for proper function.

This guide details the critical process of checking headspace on an AR-15 build, a vital step for ensuring firearm safety and reliability. Professional gunsmith Dale Heckstrom from Little Crow Gunworks demonstrates the disassembly of the bolt carrier group, the precise use of 'Go' and 'No-Go' gauges, and the reassembly process. Proper headspace ensures the firearm operates within safe mechanical tolerances, preventing potential malfunctions or dangerous failures due to factory defects or mismatched components.