This PDF is for a part of an AK, its a Red Star USA Made AK 47 Trigger Group Manual. This trigger group is a competition-grade hammer, trigger, and disconnector that are fully adjustable for takeup, overtravel, pull weight and disconnector engagement.
Trigger pull adjusts from 4 to 8 lbs., with a two-stage or single-stage pull. U.S. made, qualifies as three of the required parts for compliance with the 922 law. Drop-in installation, may require minor fitting.Red Star USA Made AK 47 Trigger Group
Also in the event you are interested, all of these gun documents I am posting can be found on the disk I have listed to your left. Additionally to the hundreds of documents I have posted, I have hundreds of gun patents (mostly suppressors) as well as class PowerPoints and targets. all for $5.