In this 4UAD Smart Airsoft ASMR video, Shou takes a look at two products: the Double Eagle BRN180 gas blowback rifle and the SRU SARB15 Kit. He begins by unboxing both packages, walking viewers through the contents of each before moving into the build process.

The bulk of the video covers the teardown and assembly stages in detail. Shou starts with a full disassembly of the BRN180, then moves into preparing the SARB15 kit including a trigger linkage test and chassis assembly, before bringing the upper assembly together. He also covers bolt lubrication to ensure the internals are properly prepared before the build is closed up.

The final portion of the video focuses on completing the rifle. He installs the furniture and any accessories, then runs a function check to confirm everything is operating as intended. The finished build is shown at the end, giving viewers a clear picture of the end result.