Stupid Airsoft checks out the Action Army AAC-C1 gas airsoft sniper rifle, also known as the "Athena," which the he deems the most unique sniper on the market. According to him, its defining feature is its versatility, allowing it to run on either green gas or CO2, with the option to convert it into a traditional spring-powered rifle, all while retaining compatibility with VSR-10 upgrade parts. The initial review covers its rock-solid polymer body, thin stock with ambidextrous sling points, and unique design features like a front-loading gas reservoir accessed via a hinged chamber in front of the bolt, a simple safety mechanism, and a smooth bolt pull.

From there, Stupid Airsoft unboxes a massive care package of custom-made Action Army upgrade parts intended for an upcoming series. These enhancements include a scope rail, an enforced magnetic base and spring guide for improved reliability, a loading indicator, and a comfort-focused thickened butt plate. Performance-related parts feature three different power CO2 chambers (M130, M150, M170 equivalent), a full cylinder kit for the springer conversion, and a quick-pull bolt handle. He expresses significant enthusiasm for the rifle and the comprehensive upgrade series, promising viewers dedicated videos for the full review, test-firing, and installation of the various components.