Atrius Development Group | SHOT Show 2026

This guide details the process of converting an AR Pistol into a Short Barreled Rifle (SBR) using the ATF Form 1. It covers requirements for the ATF eForms portal, necessary documentation, critical engraving steps, and considerations for individual versus trust filings. The information is presented with legal caution, emphasizing user responsibility for compliance.

This guide details the installation and testing of the Unrivaled LSD, a 3D printed muzzle device that also functions as a suppressor mount. The process involves safely attaching the device to an AR-style rifle, conducting live fire to assess its effectiveness, and then attaching and testing a compatible suppressor. The video highlights the dual functionality of the muzzle device, offering a practical solution for firearm owners looking to enhance their shooting experience.

This guide outlines the conceptual assembly of the unique XR-86 custom rifle, a project by Wilfred Ellis. It details the integration of parts from an M60, M14, and AR-15, highlighting the custom gunsmithing required to combine these disparate systems into a functional firearm. The process involves careful mating of bolt, gas, and trigger mechanisms.

This guide details the installation of a WOOX Vertical Grip on a Modern Tommy Gun build, focusing on the M-LOK attachment and aesthetic considerations. The video highlights the importance of viewer feedback in firearm customization, demonstrating how accessory choices can significantly alter a rifle's appearance. The speaker, an experienced firearm enthusiast, shares insights into product value and future shooting plans.

This video delves into the history and technical aspects of Colt's four-way enhanced rifle fire control group, a system offering Safe, Semi, Auto, and Burst modes. The expert instructor, with extensive experience at Colt, details the evolution of the burst cam, patent information, and specific rifle models that utilized this complex mechanism. It highlights practical challenges and historical context, including issues faced by the Greek Army and the eventual discontinuation of the program.

This guide details the installation of the RISE Armament REV 535 trigger, a modular trigger system for AR-15 platforms. The process emphasizes ease of installation with spring-loaded pins and a snap-in modular trigger face. The video demonstrates a quick, straightforward upgrade, highlighting the red anodized curved trigger face option.

This video features a critique of a home defense AR-15 build by former Navy SEAL Jeff Gonzales. Key takeaways include the importance of a suppressor for indoor use, the critique of an overly complex sling, and recommendations for reliable optics. The discussion highlights the trade-offs of short-barreled rifles (SBRs) for home defense and emphasizes practical gear selection over complexity.

This guide details the tool-less field stripping process for the Beretta ARX-160, as demonstrated by a Beretta factory representative. It covers the quick-release barrel, stock, trigger group, and bolt assembly, emphasizing ease of maintenance. The representative highlights the rifle's modularity and ambidextrous features, noting its current military availability with future civilian plans.

This entry details the Fostech .50 Cal Drum Magazine, designed for Barrett M107 and 82A1 rifles, featuring a 20-round capacity and billet machined aluminum construction. It also touches upon the Fostech Rader .308 rifle. The information is presented with high technical focus from a manufacturer representative.

This video from ARFCOM News details a ballistic gel test of Remington's 158gr SJHP .357 Magnum ammunition fired from a 16-inch Rossi Model M92 carbine. The test highlights how carbine-length barrels significantly enhance .357 Magnum performance, achieving velocities comparable to some .300 Blackout loads and demonstrating substantial penetration and expansion in ballistic gel. The analysis touches on terminal ballistics theories and the unique behavior of high-velocity pistol rounds fired from rifles.