Stuff the butt stock with 16 oz of fishing sinkers and Wally world bags with a long shank screwdriver
Dont allow sinkers to contact the plastic
Wrap up 1 or 2 at a time and stuff em in
Layer em
About 10 oz along the comb line
And 4 oz in the heel
Put a limbsaver pad on it.
Cut felt recoil by around 25 - 30%
Poor mans mercury recoil reduction device
Been doing it for years
835
935
930
And other synthetic stock guns
Most are always barrel/ front heavy.
Also adding weight helps get your balance point under the receiver just behind of the mag follower/tube loading port and the front of the lifter for comfortable 1 hand carrying.