Holosun 507 Comp - 35,000 Round Review

This review assesses Vortex's updated Defender series of enclosed red dot sights, including the ST, CCW, and the budget-friendly Venom Enclosed, alongside the unique Viper SG for shotguns. The video highlights improvements over earlier models, such as better refresh rates and auto-off timers, while also pointing out lingering issues like deck height and footprint limitations compared to competitors like Holosun. The Viper SG is noted for its specialized shotgun mounting solution.

This video provides initial impressions of the O-SIGHT XR red dot sight, mounted on a Glock 19 Gen 5 MOS. The reviewer highlights its unique charging cap, integrated rear sight, RMR footprint compatibility, and multiple reticle options. Initial testing with 400 rounds showed no issues with the optic holding zero or coming loose.

This review covers the Olight XR RMR-style red dot sight, highlighting its unique multi-reticle system with switchable 2 MOA and 6 MOA dots, and a 32 MOA ring. The optic features an RMR footprint, integrated backup sights, and a novel external battery pack for recharging. The reviewer demonstrates its mounting on a pistol slide, discusses its performance with astigmatism, and provides a range session showing the zeroing process.

This guide covers the installation and basic use of the Osight SE green dot optic, as demonstrated by an experienced instructor. It highlights the optic's RMSc footprint, user-replaceable battery, and versatile reticle options (2 MOA dot, 32 MOA circle, or combination). The video also compares the green and red reticle variants, noting their identical functionality aside from color.

Ben Stoeger, an experienced shooter, reviews the Osight XR red dot optic, comparing it to the Holosun 507 Comp. He highlights the Osight XR's comparable quality to Holosun, its battery-free charging feature, and its $300 price point. A significant issue noted is the incompatibility of the provided screws with Glock Gen 6, requiring aftermarket hardware for secure mounting. Despite this, Stoeger finds the Osight XR to be a fine optic with potential for future growth.

This guide details the considerations for mounting red dot sights on rifles, comparing top-mounted versus 45-degree offset configurations. Instructor Mike Odow emphasizes that while personal preference plays a role, understanding the impact on cheek weld, weapon manipulation, and effective range is crucial. The 45-degree offset offers a consistent cheek weld but has limitations at distance, while top-mounting requires adapting to a new cheek weld position.

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.