lost small body pin on TM M4
hey just had a quick question. so somehow the small body pin (part C-7) about 1/2 inch above the trigger has fallen out. i didnt notice right away so ive been firing the weapon without this pin and it works flawlessly. i cant seem to remember what this pin is actually doing, and what importantance it has. last thing i want to do is wreck somthing. if you guys could answer this for me that would be awesome as well where i would be able to obtain one of these little guys. thanks so much!
Technical info:
TM M4 RIS
Hurrican metal body
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