HK PSG1 New In Case

1:10 (4 grooves RH). :)
Probably best with 168 grain bullets (e.g., Federal Gold Medal Match); I am also aware that heavier bullets (e.g., Sierra 190 grain Match King) have also been used, but not quite as accurate. :unsure:
Maybe someone more savvy will comment. ;)

Tony
I was waiting to see this post. I knew it was coming.
 
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