WHAT DOES SAKO M591 VARMINT STOCK MEAN?

LARRY claimed: Purchased an buy of 900 and it arrived in a large spam can with no Resource. Took a while employing a screwdriver and mallet to chisel the matter open. Also wished I realized that indoor ranges wouldn't let me shoot steel cased ammo beforehand although I used to be lucky to uncover an outside variety close by.I returned The 2 mags an