The M1 I bought about a month ago had the two drill holes on the original stock for the grenade launcher sight. I bought a sight and during assembly I noticed my stock had two hairline cracks. I took it over to D&D Gunsmiths for them to repair, and one of the guys there mentioned that typically most of the Garands that had the sight installed were in the Pacific theater.
Can anyone verify that? I've been Googling all morning and can't find any real history behind it.