got one like DaddyUSMaximus for Boyd' with certain cosmetic details and an updated pad. Use the "composite-surround" DBM frame and it locked up the action. Tried all kinds of shimming. Stock CRACKED at the rear action screw; hand tightened then torqued to lowest in# found here on sight that would hold. Loosened after 20 rounds of factory ammo.

Am thinking the advise on the "plastic" from this sight elsewhere was not good. Anyone else experience fit issues with the "composite" surround frames?