Trijicon RCR: The RCR stands up a little bit taller..

This guide explains the differences between open and closed emitter red dot sights. Open emitters offer a wider field of view but are more susceptible to dirt and oils, making them better for open or duty carry. Closed emitters provide superior protection against environmental contaminants, making them ideal for concealed carry and harsh conditions. Both types are functional, but the choice depends on the intended application and user preference for maintenance.

This video demonstrates the installation of the Aimpoint CO-WA system on a Springfield Armory Echelon pistol. The presenter highlights the unique 'ski boot' and 'ski binding' mechanism of the CO-WA, which allows for secure optic mounting without screws passing through the sight itself, emphasizing a lack of side-to-side wiggle and reduced stress on screws.

This video provides a first look at the new Glock COA (Cut-Off Action) models, specifically the Glock 19 Gen 6, Glock 17, and Glock 45. It highlights the proprietary rear sight system designed to lock the COA optic in place without screws interfering with the optic's internals. The video also introduces aftermarket sight options, such as Angry Bear Sights, which offer improved co-witness capabilities and tritium inserts for low-light conditions.

This video demonstrates a durability test for the Zulisy S6-GM red dot sight mounted on a Glock 21 Gen 5. The test involves confirming zero, then physically impacting the optic on a car hood before re-testing zero. The results show the optic maintained its zero throughout the abuse, highlighting its robust construction and value. The instructor emphasizes the direct-mount advantage for Glock MOS systems.

This video details a durability test of the Osaite C red dot sight mounted on a Witness2311 CMX pistol, firing 1000 rounds of 9mm ammunition. The test focuses on mounting stability and optic function under stress. The presenter, demonstrating experienced authority, confirms the red dot remained stable and functional, though the lens required cleaning due to soot buildup.

This guide, presented by an instructor from Geauga Firearms Academy, breaks down the differences between single-dot and multi-reticle red dot sights. It covers the advantages of each, including reduced visual clutter and parallax-free aiming for dot-only sights, and aids in dot acquisition and mechanical offset for multi-reticle systems. The instructor personally recommends multi-reticle sights for defensive scenarios due to their speed and re-acquisition benefits.

This video demonstrates a rapid fire drill focusing on efficient magazine reloads and immediate resumption of fire. The shooter, equipped with tactical gear and an M4 Carbine with an ACOG optic, showcases proficient weapon manipulation and recoil control. The drill emphasizes maintaining a high rate of fire while executing smooth tactical reloads.

This review of the Springfield M1A Scout Squad after 7,000 rounds highlights its robust reliability, especially with steel-cased ammunition. The instructor, speaking with high authority from extensive practical experience, details maintenance tips like using grease for lubrication and warns about potential malfunctions caused by glove interference with the operating rod. Cosmetic wear, such as brass marks on the stock, is viewed as a 'badge of honor' from heavy use.

This guide, presented by Regular Guy Training LLC, advocates for using readily available and cost-effective automotive lubricants for firearms. The instructor, drawing on military experience with belt-fed weapons and high-volume shooting, explains why conventional motor oil and high-temperature lithium grease are superior and more economical than many specialized gun lubes. It covers platform-specific recommendations, including considerations for cold weather and different firearm designs like AR-15s, AK-47s, and Glocks.

This guide details building a reliable AR pistol, emphasizing component selection for hard-use scenarios. It covers barrel and gas system choices, DI vs. piston considerations, and the importance of quality upper and lower receivers. The build focuses on practical reliability and shooter ergonomics, including ambidextrous controls and essential accessories, with a total cost around $1600 for the base build.