The summary is:
The video is about a rare Chinese rifle called the type 81, which is a hybrid of the AK and the SKS. The narrator explains its features, history, and performance, and compares it to other rifles. He also shows some shooting demonstrations and disassembly instructions. He thanks the owner of the rifle and his sponsors, and makes some jokes along the way.
Here are the key facts extracted from the text:
1. The text is a transcript of a video about the Chinese type 81 light machine gun.
2. The type 81 is a hybrid of the AK and the SKS rifles, with a two-lug rotating bolt and a short stroke gas piston.
3. The type 81 is very rare in the US, but more common in Canada, due to import restrictions on Chinese firearms.
4. The type 81 has an adjustable gas system, a rear sight aperture, and a bipod similar to the RPK.
5. The type 81 uses a custom drum magazine that is not compatible with AK magazines.
6. The video also features a Glock 43x pistol, a We the People holster, and an SDI.edu advertisement.