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SHOP NOWThis SHOT Show 2022 segment focuses on lightweight Fostech builds, Echo trigger function, and the Origin shotgun’s fast cycling design. It then explores Desert Tech’s Quattro 15 quad-stack lower and Trek 22 bullpup stock for the Ruger 10/22, including their NGSW roots.
The segment opens at the Fostech booth, where a magnesium–aluminum alloy handguard is passed around to show how little it weighs. The rail is described as roughly the same strength as 6061 billet aluminum, but with about a 33% weight savings. With all mounting hardware installed, it comes in at just over three and a half ounces, surprising everyone who handles it because it barely feels like metal. The discussion emphasizes that this extreme weight reduction changes how the rifle feels in the hands and highlights how difficult it is to convey that sensation through video or print. Several attendees, including Katie, handle the rifle and comment that it is the lightest gun they have held, easily supported with a single finger.
Attention shifts to Fostech’s Echo trigger system, which has a strong following for its unique operation. The Echo trigger allows a shot on the pull and another on the release, leading to very rapid strings of fire. A reliability feature is explained: an internal trigger lock, informally compared to a governor, prevents the shooter from outrunning the system. The mechanism only allows the trigger to reset and fire again once the carrier is fully forward and in battery. This design is credited with eliminating hiccups and jams that might otherwise occur when the trigger is run extremely fast. The booth is said to consistently draw large crowds at SHOT Show because people want to experience both the trigger feel and the unusually light rifles firsthand.
The conversation moves to the Fostech Origin shotgun, described as one of the company’s most popular firearms. It is characterized as an extremely fast-cycling shotgun, often claimed to be the fastest cycling shotgun in the world. The representative explains that its speed comes from picking up gas very early, right at the end of the chamber. Gas is diverted forward and captured where pressures are highest at the end of the shell, which allows the system to function with a short gas path and increases carrier speed. This early gas capture is presented as the key to both reliable cycling and the rapid action movement. When asked about a full-auto version, the representative notes that they do not produce the Origin in full auto, though the idea comes up frequently from interested shooters.
The coverage then moves to the Desert Tech booth to examine the Quattro 15, an AR-15 lower receiver designed around the Quad Mag 53. The Quad Mag 53 is a polymer quad-stack magazine with a single spring and single follower, quad-stacked all the way to the top to simplify feeding. Internal ribs keep cartridges away from the magazine walls so debris can pass along the sides, improving reliability. Despite holding 53 rounds, the magazine matches the size and height of a standard 30-round PMAG, preserving rifle size and mobility. The Quattro 15 lower uses a proprietary magazine catch and bolt catch, which are included, while all other components—buffer tube, trigger, pins, and other AR-15 parts—remain standard. An ambidextrous bolt release is highlighted as an important modern feature. An adapter is also mentioned that snaps into the receiver, allowing the use of standard PMAGs in the same lower.
Desert Tech also presents the Trek 22, a clamshell polymer stock that converts a Ruger 10/22 into a bullpup configuration. The primary goal is to reduce overall length and create a compact rifle suitable as a truck gun or backpack-style survival setup. By moving the action rearward, the bullpup layout shifts the balance closer to the shooter, making it easier for children to handle compared to traditional long, muzzle-heavy .22 rifles. The Trek 22 retains all factory Ruger controls, including the magazine release and safety, in familiar locations. It offers in-stock storage for 10-round magazines and accepts BX-25 magazines as well. The barrel channel is free-floated to maintain accuracy, and the trigger linkage uses a bell crank system that actually reduces trigger pull weight. A top Picatinny rail and M-LOK slots on the sides provide mounting options that are difficult to achieve with a traditional wood stock.
Off camera, the discussion turns to the NGSW (Next Generation Squad Weapon) program and how it influenced Desert Tech’s work. Desert Tech participated in the first round of NGSW trials in partnership with PCP, a company producing polymer-cased ammunition. They were set to move into the next phase but were not ultimately down-selected. For that next phase, the plan had been to develop a quad-stack magazine providing 50-round capacity in a compact form factor. After not being selected, Desert Tech repurposed the quad-stack development work for the commercial market, adapting it to the AR platform as the Quad Mag 53 and Quattro 15 lower. The representative mentions that their NGSW submissions included features like power rails and a fire control system, and offers to share photos of those prototypes, underscoring the direct lineage between the military program concepts and the current commercial products.
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