Some stock weights that folks might find interesting.
First thing to note is a metal m14 buttplate weighs 11 oz.
Usgi fiberglass, as issued, unmodified with sling loops and buttplate 2LBS 14oz.
Polytech plastic with it's metal hardware including buttplate 3LBS 3oz
Chinese mystery wood with metal hardware including buttplate 2LBS 11oz
Boyds type 1 with metal hardware and buttplate 2LBS 12oz
Promag Archangel 3LBS 13oz
Ingram Custom Rifleworks M14SA2 , standard forstock, bipod rail, M1A rubber buttpad and sling studs 3LBS 9oz
Ingram Custom Rifleworks M14SE2 with bipod rail, M14 buttplate and standard m14 sling loops 3LBS 11oz
Ingram Custom Rifleworks M14SCQB with commercial 6 position buttstock kit, Hogue rubber A2 grip and 12" aluminum picatinny rail 3LBS on the button.
Here' a recent pic of the M14SA2 with NM standard forstock(top), the M14S-CQB and the M14SE2(bottom) .