Gun Rocks crew does an honest review of the Tokyo Marui CQBR Block 1 Gas Blowback Rifle, noting its compact size which grants excellent maneuverability in airsoft games. They find that the rifle delivers consistent muzzle velocity and proves accurate, with effective range noted out to 30 meters. They like its satisfying recoil and realistic operating functions, though they pointed out two major operational drawbacks: the hop-up adjustment is complex, requiring almost full disassembly, and users are strongly advised against using the bolt-forward assist mechanism to prevent potential damage.

Further contributing to its quality, the rifle features a lightweight, gas-leak-resistant magazine, enhancing its reliability across different temperatures. The CQBR Block 1 is noted for maintaining functionality in colder conditions, especially on semi-automatic, though continuous full-auto fire can cause significant magazine cool-down. In the end they say it as a "perfected gas blowback" system, citing its superior performance, build quality, and the reliable after-sales support and parts availability from the manufacturer, which makes it a much better long-term investment than cheaper, less compatible foreign copies.