How to Calculate and Make Open Sight Corrections

This video explains how to properly zero a rifle using a bulls-eye target. It details specific adjustments for the M16A1 and M4 rifles, emphasizing the importance of aligning shots with the target's designated impact zones for both near (25m) and far (300m) zeroing. Understanding the value of sight clicks in Minute of Angle (MOA) is crucial for effective zeroing.

This guide details the proper adjustment of AK-47 iron sights, correcting common misconceptions. Expert instruction from GUNBROS emphasizes that the rear sight leaf is for elevation adjustment, not vertical orientation, and that both front and rear sights are adjustable for windage and elevation to achieve a proper zero. Always prioritize firearm safety by ensuring the weapon is unloaded before any adjustments.

This guide details how to zero an AK-47, drawing on the expertise of SGM(RET) US Army Special Forces Karl Erickson. It covers setting the rear sight, achieving proper sight alignment, making front sight adjustments for windage and elevation, and the importance of confirming zero at distance. The video emphasizes using a 25-yard zero as a baseline for accurate shooting.

This video provides a comprehensive guide to zeroing and calibrating the M1 Garand's iron sights. It covers pre-flight checks, initial zeroing at 25 yards, and calibration of the elevation drum for multiple ranges. The instructor emphasizes the importance of understanding minute-of-angle adjustments and offers practical tips for ensuring accuracy with this classic battle rifle.

This guide details how to zero AK-47 iron sights for both elevation and windage, a crucial skill for accurate shooting. It emphasizes using the correct tools and understanding the inverse relationship between sight post movement and point of impact. The process is presented as achievable in under 60 seconds with practice, drawing on expertise from a highly regarded AK expert.

This video from SIG SAUER, Inc. provides expert guidance on adjusting the rear sights of the P322 pistol. It clarifies the counter-intuitive adjustment mechanism, explaining that windage is adjusted on the top of the sight and elevation on the sides. The video also details the use of the included wrench and an alternative flathead screwdriver for elevation adjustments.

This guide, drawing on decades of experience, details how to achieve rifle accuracy. It covers defining accuracy standards, understanding MOA, troubleshooting mechanical issues like loose sights and barrel contact, and optimizing bedding and muzzle conditions. The instruction emphasizes practical application for hunters and marksmen, highlighting that modern accuracy benchmarks have evolved significantly.

This guide provides expert-level instructions for disassembling, cleaning, and maintaining the Ruger 10-22 Walnut Sporter, drawing on detailed insights from GunBlue490. It emphasizes critical steps like safely removing the action from the stock to protect the walnut finish and proper cleaning techniques to ensure long-term reliability. The instruction highlights the importance of using appropriate tools and avoiding common mistakes like over-oiling the wood stock.

This video provides a detailed guide on disassembling and cleaning a Smith & Wesson Model 25 revolver, presented by a factory-trained armorer. It emphasizes proper nomenclature, tool usage, and careful handling of internal parts to avoid damage. The guide covers removing stocks, yoke, side plate, hammer, rebound slide, and trigger, with specific instructions on reassembly and common pitfalls to avoid, such as altering trigger pull components or damaging delicate parts.

This guide, presented by an expert with over 30 years of experience and U.S. Army background, details proper firearm lubrication. It emphasizes using synthetic/CLP oils sparingly, applying only a microscopic film to prevent attracting debris. The expert recommends a silicone-treated rag for regular wipe-downs and advises against over-oiling, especially in extreme environmental conditions.