Leviathan Defense HELLMOUTH AR-10

FN America unveiled significant updates to its SCAR line at SHOT Show 2026, including the SCAR 17S. Key improvements focus on enhanced ergonomics, suppressor compatibility, and modularity with integrated M-LOK rails. The SCAR 17S now features an elongated receiver, a hydraulically buffered bolt carrier, and improved heat shielding. The SCAR 16S, 17S, and 20S will be offered in multiple colors and barrel lengths, with future shorter barrel options planned.

The FN Scar 20S receives significant updates for 2026, including a new hydraulic buffer system for reduced recoil and an ambidextrous bolt release. It maintains its 7.62x51mm chambering and will also be available in 6.5 Creedmoor. Ergonomic improvements include an AR-15 compatible grip and a longer, MLOK-compatible forearm. FN also introduces new low back pressure suppressors designed for SCAR platforms.

This video provides an expert-level demonstration of the Heckler & Koch MR308 rifle, a civilian variant of the HK417. It covers essential operational steps including magazine loading with .308 Win ammunition and rifle preparation. The demonstration highlights the performance of the Triton Ronin 1-6x24 SFP LPVO optic during live fire at an outdoor range, showcasing the rifle's reliability and handling characteristics. The presenter exhibits a high level of authority and familiarity with high-end tactical firearms.

Palmetto State Armory introduces the Sabre Bolt Gun, a modular bolt-action rifle built on a Remington 700 footprint. This system features a 60-degree bolt throw, a Remage-style barrel nut for easy headspace adjustment, and an aluminum chassis with Arca and M-LOK compatibility. Initial calibers will include .308 Win and 6.5 Creedmoor, with a short-action configuration.

This video details a range day featuring the PTR 91 battle rifle in .308 caliber. The presenter demonstrates the rifle's operation, including the characteristic 'HK slap,' and conducts unsuppressed firing. Subsequent testing involves mounting a Vent 1 titanium suppressor, where a gas leakage issue at the muzzle device interface is identified and discussed as a potential problem causing blowback.

This expert-level review of the G3 SG1 (HK91 sniper variant) by 9-Hole Reviews details its accuracy potential with various ammunition types. The analysis highlights the rifle's inherent reliability and its design considerations, differentiating it from hyper-accuracy platforms like the PSG1. The testing reveals that while not a precision sniper rifle by modern standards, the G3 SG1 demonstrates very good accuracy, particularly with specific match loads, and excels in consistent performance.

This review covers the Trailblazer Firearms LifeCard, a unique single-shot .22 WMR pistol designed to fold to credit card dimensions. The demonstration highlights its simple operation: load, fold, cock, and fire. While innovative for concealed carry and personal defense, its single-shot nature and caliber limit its practical application for most scenarios.

This FPV video demonstrates the Standard Manufacturing Switch Gun, a .22 WMR folding revolver. It showcases the firearm's rapid spring-loaded deployment, a five-round firing sequence, and its manual folding back into a compact state. The video highlights the innovative design and compact nature of this unique firearm.

The Smith & Wesson Model 327 Performance Center is an 8-shot revolver chambered in .357 Magnum, featuring a lightweight Scandium Alloy frame and a Titanium cylinder. Its compact, snub-nose design is demonstrated in rapid-fire sequences, showcasing impressive recoil management and trigger speed for its class. This high-end revolver is presented as a capable firearm for experienced shooters.

This video demonstrates the effectiveness of the Standard Manufacturing Switch Gun, a .22 Magnum folding revolver, by shooting through a car windshield at a target jug. The demonstration confirms multiple hits and fluid leakage, indicating the firearm's capability in a tactical scenario. The review highlights its single-action mechanism and unique switchblade design.