The DSG-180 upper receiver design was introduced to the real steel community in 2020, offering a distinctive alternative to the saturated AR-15 market. As a spiritual successor to Eugene Stoner's AR-180, the DSG-180 integrates modern enhancements tailored to contemporary shooters' requirements, including a buffer tube-less system that allows for firing with the stock folded, and a flush M-LOK handguard for mounting various accessories. It is compatible with any mil-spec AR-15 or BRN-180 ready lower receivers.

Double Eagle has faithfully replicated the DSG-180 as a GBB rifle, employing the renowned Tokyo Marui MWS system for its internals, ensuring a high-quality GBB experience. The rifle features an 8.5-inch Gen 2 handguard with six M-LOK rail sections, minimizing weight while enabling the installation of various peripheral devices. A monolithic Picatinny upper allows for optics mounting. Unique to the handguard is a single removable screw for easy disassembly. At the front, a retro three-pronged flash hider can be removed to accommodate other 14mm CCW muzzle devices or tracer units.

The DSG-180 upper receiver showcases a distinctive motorbike charging handle design, a key feature that contributes to the rifle's unique profile, allowing for an AK-style bolt charging action, with the DSG dust cover unfolds as the bolt cycles. The lower utilizes an A*ro-style receiver, featuring traditional single-sided fire controls, providing familiarity with the selector, bolt release, and magazine catch, with the ability to swap out the mag release and fire selector with MWS spec. ambi controls, providing an alternative for shooters to use a full ambidextrous DSG-180. The rear of the rifle includes a Picatinny stock rail interface, enabling shooters to easily swap Picatinny stocks to suit their shooting configuration. Double Eagle includes a minimalistic folding stock with an integrated rubberized buttpad, enhancing comfort and recoil absorption. Its low-profile design optimizes compatibility with lower-profile optics, further improving shooting comfort. Additionally, the stock is equipped with a rear ambidextrous QD sling point for direct attachment of a two-point sling. The hinge mechanism allows for height adjustment to accommodate the shooter's preferences, and it can be folded for compact storage during transport or for improved control in confined spaces, with the option to fold either to the right or left.

At its core, the rifle features a short-stroked MWS bolt system, incorporating a compact DSG-style bolt on a guided track, enhanced by springs and rollers for a quick and smooth bolt cycle. This design facilitates the attachment of Picatinny-based stocks, resulting in a shorter yet adequate recoil experience when firing the DSG, and allows for operation even with the stock folded. The DSG includes an integrated hop-up base with the outer barrel, ensuring minimal wobble of the hop-up rubber and inner barrel for consistent accuracy. An adjustable hop dial, located above the bolt, provides tactile feedback during adjustments. The trigger box utilises a MCX-style MWS trigger box with commonly worn components reinforced with steel for extended durability, with the ability to switch out components with Tokyo Marui MWS spec. aftermarket components. The rifle offers Safe-Semi-Auto fire modes on a curved trigger, delivering an enjoyable shooting experience with a short wall break and quick reset.

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