The A2 Rifle “Trapdoor” Buttplate Assembly is offered as a replacement part. Heavy molded plastic construction with checkered shoulder grip and “trapdoor” for the storage compartment. Includes spring loaded latch and hinge – already assembled – on the storage compartment door. Made in the USA.

Top screw
https://shop.windhamweaponry.com/product/9349128/

Bottom screw
https://shop.windhamweaponry.com/product/9349120/