05-05-2021, 02:52 PM
I don't know what the group-buy bolts are exactly, but if you want to try a different extractor, or just get one to serve as a spare, you might buy one of these:
https://www.blackriflearms.com/-65-Grend...p_297.html
These are known to be the best type available, currently.
https://www.blackriflearms.com/-65-Grend...p_297.html
These are known to be the best type available, currently.

