Followed me home from gun show in Allenton, PA last weekend

30-06 M1 Garand Springfield Armory,
Sept 1944 Receiver, Serial # 312xxxx
1964 Barrel,
All USGI Parts,
Fiberglass Stock,
Never Fired.
Only 1 of 12 ever assembled for the PA National Guard 28th. Division Color Guard,
or so the story goes.

any comments / insights?