The big aluminum screw adjusts the tension(weight). The T-8 set screw at the front of the trigger assy adjusts the second stage. The tab in front of the trigger blade adjusts the first stage (bend it back towards the trigger to reduce stage travel). The last items require you to remove the stock. You'll need a T-8 Torx wrench for the T-8 screw. RB
BKL mounts..11 + 14mm
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