[Jackarutu]

Use hemostats to hold the anti-reverse lever and a pair of self closing tweezers with long thin curved ends to hold the trigger in place in the left casting half until the half’s are almost closed, then use a scribe to reach through the right hand casting and pull and push the bushing and the anti-reverse lever and safety inter-lock into place for the final 1/16" alignment and bob's your uncle.