Aimpoint’s New COA Optic: Our thoughts

This guide details the installation and features of the Aimpoint COA optic, following its announcement that the exclusive Glock contract has ended. The COA's unique 'A-Cut' mounting system allows for wider compatibility with various pistol platforms. Key features include a 3.5 MOA dot, 50,000-hour battery life, and a low mounting height enabling co-witness with iron sights.

This video provides an in-depth review and comparison of the Primary Arms HTX-1 red dot sight against the Aimpoint COA. The HTX-1 is highlighted for its American-made quality, innovative mounting system that allows for low profile installation and full co-witness with factory sights on RMR and MOS footprints, and its unique Vulcan reticle. The reviewer emphasizes its durability, clarity, and competitive pricing for a premium optic.

This expert review from Hunt Fish Shoot provides a hands-on assessment of the Vortex Defender CCW Enclosed and ST red dot sights. The host conducts rigorous testing, including submersion, multiple high-impact drop tests onto rocks, and extreme abuse scenarios, demonstrating the optic's exceptional durability and waterproof capabilities. Key features like the 3 MOA dot/32 MOA circle reticle options, solar assist, shake awake, and long battery life are highlighted, positioning the Defender series as a robust choice for EDC and duty use.

This video provides a review and installation guide for the Leupold DeltaPoint Pro NV Red Dot sight. It covers common issues like battery failures and zero shift, highlights the optic's large window and shake-awake feature, and details the installation process on a pistol slide, emphasizing proper torque values for mounting screws and adapter plates.

This video from Classic Firearms at SHOT Show 2026 introduces the Aimpoint COA optic, highlighting its expansion to the wider market. Expert insights from Aimpoint reveal its suitability for handguns and concealed carry, featuring a large window, low-profile design, and enclosed emitter. The COA is positioned as a smaller sibling to the Acro, with an MSRP of $599 and upcoming availability.

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 guide traces the historical evolution of the AR-15 platform, from Eugene Stoner's initial M16 designs to modern iterations like the M4A1 Block II and MK18 Mod 1. It highlights key developments in barrel length, gas systems, and modularity driven by military requirements. The information is presented with an authoritative tone, demonstrating deep expertise in the platform's history and technical specifications.

This guide details the construction of the GTFO Marker, a concealed self-defense tool disguised as a Sharpie marker, as demonstrated by Wick from Shark Coast Tactical. The process involves modifying a standard Sharpie to house a sharpened carbon fiber rod, reinforced with epoxy for structural integrity. The final step ensures the marker retains its realistic appearance. This project requires moderate DIY skills and careful attention to detail to create an effective, discreet tool.

This video provides an expert look inside the Maxim 22 suppressor, demonstrating its disassembly and reassembly. The presenter, with high authority from Shark Coast Tactical, explains the physics of gas dissipation through the monolithic baffle core. The Sig Sauer P322 pistol is also showcased, highlighting its features and availability.

This video provides a silent, ASMR-style demonstration of mounting a SureFire SOCOM suppressor and an EOTech optics suite (EXPS3 with G33 magnifier) onto a Daniel Defense MK18 rifle. It showcases fluid weapon manipulation, proper suppressor attachment, and the functionality of the tactical optics. The presenter, identified as a professional firearm handler/retailer, highlights the tactile feedback of the rifle's controls.