Atrius Development Group | SHOT Show 2026

This video from SHOT Show 2026 introduces the new UTG Pro MP5 SD Monolithic Handguard system. The handguard is designed with a 2.1-inch inner diameter for suppressor compatibility, M-LOK slots for accessories, and specific cutouts for FRT/full-auto fire selectors. A new steel charging handle made in Michigan is also featured, offering improved ergonomics. The system is expected to be available in April or early May.

This guide details the installation of an Armaspec ELEV8 Series Plank Optics Riser mount onto an AR-style rifle, as demonstrated by AT3 Tactical. The process involves securing the riser to the Picatinny rail and then mounting an EOTech holographic sight. The instructor's expertise is evident in the clear, step-by-step demonstration of this common firearm accessory upgrade.

This video showcases a highly customized CZ Bren 2 11.5-inch variant, featuring numerous aftermarket upgrades. The presenter highlights the benefits of an HBI Industries handguard and flat-face trigger, a Holosun optic, and a Haga Defense brace with a cheek riser. An extended charging handle is also installed to address common operational issues. The presenter expresses a desire to use this rifle for home defense, acknowledging its favorite status within his collection.

This guide details modifications for the BRN-4 platform, focusing on creating a practical general-purpose rifle. The speaker, demonstrating experienced authority, advises on barrel length, handguard selection, and making informed build decisions based on real-world performance rather than popular opinion. The emphasis is on functionality and efficiency for a 14.5-inch barrel configuration.

This video demonstrates an experiment to determine if a suppressor can effectively muffle the sound of a blank round fired from an AR-15 platform rifle. The test involves firing both blank and live rounds through a suppressed setup, highlighting the significant muzzle flash produced by blanks and the potential for ejection issues. The demonstration suggests that suppressors do muffle blank rounds, prompting questions about their practical applications.

This guide details the construction of a 300 Blackout AR-15 specifically configured for home defense. The presenter, a self-proclaimed hobbyist, highlights the benefits of the 300 Blackout round, particularly its subsonic capabilities when paired with a suppressor. The build incorporates Griffin Armament components for the rail, suppressor, optic, and sights, emphasizing the modularity of the AR platform.

This video features a former Navy SEAL, Jeff Gonzales, providing expert feedback on a home defense AR-15 build. He critiques the rifle's accessories, particularly the sling, and emphasizes the importance of reliable optics and the benefits of a suppressor for indoor use. The discussion highlights practical considerations for effective home defense firearms.

The Beretta ARX-160, showcased at SHOT Show 2011, is a modular, piston-driven rifle featuring ambidextrous controls and tool-less disassembly. Its design emphasizes adaptability with multiple sling points, interchangeable magazine releases, and a quick-change barrel system. While currently limited to military/defense use, future law enforcement and civilian variants are planned.

Fostech unveiled a 20-round .50 BMG drum magazine for Barrett M107 and 82A1 rifles, constructed from billet machined aluminum. They also introduced the Fostech Rader, a lightweight .308 rifle featuring a proprietary magnesium aluminum alloy and ambidextrous controls. The drum mag is priced at $1599 with a Q3/Q4 availability, while the Rader rifle is expected around $3000 with a Q4 release.

Testing a Remington 158gr SJHP .357 Magnum load from a 16-inch Rossi M92 reveals impressive performance, achieving 1709.6 fps. The round exhibited significant fragmentation and penetration of 20.1 inches in ballistic gel, behaving more like a rifle cartridge due to its velocity. This challenges typical handgun round terminal ballistics expectations.