OA Defense | SHOT Show 2025

This video provides an expert comparison of the Springfield Echelon pistol variants, focusing on the new 4.0 FC model. An experienced instructor demonstrates the distinct features of the full-size, compact (4.0 C), and hybrid (4.0 FC) models, highlighting differences in barrel, slide, and grip lengths, as well as magazine capacities (17 and 15 rounds). The video also showcases the impressive modularity of the Echelon platform, demonstrating how slides and frames are interchangeable between models, allowing for customization.

Elliott Delp, an experienced firearms reviewer, outlines three essential firearms for any owner: the Glock 47 pistol for its reliability in home defense and CCW, the Mossberg 590-TAC pump-action shotgun for its straightforward operation, and the Daniel Defense DDM4 V9 AR-15 for its accuracy, reliability, and versatility. The video showcases these firearms with various accessories like red dot sights and weapon lights, emphasizing practical application and ease of use for the average shooter.

This guide provides an expert overview of the FN 509 Tactical, drawing from a review by Johnny B. of Pew Pew Tactical. It covers the pistol's history, features like ambidextrous controls and suppressor-ready components, specifications, and performance. The review highlights its suitability as a duty or bedside firearm, while also noting its price point and potential ergonomic considerations.

This guide details the ergonomic features and functional enhancements of the Walther PDP Full-Size pistol. It highlights the Performance Duty Texture grip, Super Terrain slide serrations, interchangeable backstraps for customization, and the Performance Duty Trigger. The review also covers optics readiness, accessory rail, and control accessibility, emphasizing user-focused design for improved handling and shooting experience.

This video introduces the SIG SAUER ROMEOZero-PRO, a new reflex optic designed for full-size pistols. It highlights the optic's robust and lightweight polymer construction, inherited from the ROMEOZero line. The ROMEOZero-PRO features high-quality aspherical glass and is manufactured in the USA at an affordable price point. Crucially, it is compatible with pistols that utilize the ROMEO1-PRO and DeltaPoint Pro footprints, making it a versatile option for many firearm owners.

This guide, presented by a firearms instructor with high authority, compares the Glock 19, 17, and 45 for new gun owners. It details technical specifications, generational differences (Gen 3-5), and practical considerations like sight upgrades and aftermarket support. The instructor emphasizes safety and offers a personal recommendation for the Glock 45 due to its balanced design.

This guide details the use of the Primary Arms PLx Compact 1-8x24mm FFP rifle scope, based on expert assessment. It covers transitioning between 1x and 8x magnifications for rapid target acquisition and precision shooting at distance. The review highlights the scope's excellent glass clarity and the functional benefits of its First Focal Plane ACSS Raptor M2 reticle, particularly for AR-15 platforms chambered in 5.56 NATO.

This guide details the installation of the Radian Ramjet Afterburner barrel and compensator system onto a Glock 43X. It covers the process from disassembly to mounting the optic and light, emphasizing proper torque specifications and safety. Roger Barrera, a recognized industry professional and holster manufacturer, demonstrates the methodical installation process.

This guide details the installation of an optic and weapon light on the Beretta 92xi Gara, as demonstrated by Roger Barrera. It covers proper torque procedures using a Wheeler F.A.T. Wrench and the application of witness marks for optic screw security. The process emphasizes safe handling and the use of high-tier tactical accessories for a customized setup.

This video showcases a live fire demonstration from the perspective of Roger Barrera (QVO Tactical) using an Atibal LPVO. The footage highlights the optic's reticle illumination and clarity during dusk engagements on a steel target, demonstrating proficient recoil management and consistent target acquisition.