Boresight - How to zero a sight

This video from Brownells, featuring Caleb, explores the optimal zero distances for an AR-15, primarily for competition use. It analyzes four common zero distances: 25, 36, 50, and 100 yards, detailing their impact zones on an IPSC A-zone target at various ranges. The instructor emphasizes that the 'best' zero is dependent on the intended use of the firearm and the optic employed, recommending the 100-yard zero as a versatile option for experienced shooters, while suggesting 36 or 50 yards for those using red dots or LPVOs respectively, especially for closer engagements.

This video demonstrates the importance of working with bullseye targets for maintaining firearm accuracy. The instructor emphasizes slow fire to diagnose sight drift and make precise click adjustments. It highlights that consistent accuracy is paramount for responsible gun handling and advocates for regular zero checks, especially before timed drills.

This guide details the optic mounting systems on the Zermatt Waltz 9 and Nighthawk BDS9, highlighting their secure plate designs that promote return-to-zero. It outlines the steps for removing and re-installing optics on both platforms and describes a method for testing the system's ability to hold zero after multiple removals and re-installations, crucial for competitive shooters and those who frequently swap optics.

This guide details how to engage steel targets at 100 yards using a 6.5 Grendel rifle. It emphasizes safe firearm handling, proper optic use with a Vortex Strike Eagle, and consistent accuracy from various shooting positions. The video showcases repeated, accurate hits on steel, demonstrating effective marksmanship principles for this caliber and distance.

This guide details a basic cleaning procedure for an AR-15, recommended every 500 rounds. It covers field stripping the upper receiver, cleaning the barrel with a bore snake, cleaning the bolt carrier group (BCG), and proper lubrication of key contact points. The process emphasizes not over-lubricating to prevent carbon buildup. The video is presented by Justin from Palmetto State Armory.

This video reviews the Coolfire Trainer system, a CO2-powered device that simulates recoil for dry fire training. The reviewer details the pistol and rifle kits, their components, installation process, and performance. While acknowledging the potential benefits for new shooters and instructors in bridging the gap between dry fire and live fire, the reviewer highlights significant drawbacks including the simulated recoil's difference from live fire, the pistol kit's frequent need for CO2 recharging, and the rifle kit's complex installation and potential compatibility issues. The system is presented as a fun, albeit high-maintenance, training tool rather than a replacement for traditional dry fire.

This video defines the modern Minuteman as a responsible armed citizen prepared to defend their way of life and fight tyranny. It details essential gear, emphasizing a versatile rifle setup with magnification, suppressors for hearing protection and signature reduction, reliable illumination, and a quality sling. The discussion extends to force multipliers like medical kits, communication devices, rangefinders, and advanced optics, stressing the importance of skills, physical fitness, and building a trusted network.

This guide details the operation of the M3 Grease Gun, drawing on Jerry Miculek's demonstration. It covers historical context, mechanical operation including the side charging handle and dust cover safety, and the characteristics of its full-auto fire, emphasizing its controllable rate of fire and minimal recoil. Miculek, a renowned firearms expert, highlights the firearm's simple yet effective design.

This guide details the assembly of a custom .300 Blackout AR pistol, emphasizing its compact nature for concealed carry and truck gun applications. Key components include an LMT lower, VLTOR MUR upper, 8.5-inch barrel, SB Tactical SBA3 brace, and a Law Tactical folding adapter for reduced footprint. The build highlights efficient component selection for a reliable, portable firearm.

This video provides an expert overview of Taran Tactical Innovations (TTI) modified Glock pistols, including the G43 Carry Master, G19 Combat Master, G17 Combat Master, and G34 Combat Master. The presentation highlights custom features such as enhanced triggers, slide work, magazine extensions, specialized coatings, and optic mounting systems, emphasizing their performance benefits for competitive shooting and high-stakes scenarios. The insights are delivered with high authority from a representative of Big Daddy Unlimited.