Not sure if this is a good buy but 44mag.com has some USGI M1 receivers and bolts for sale.
http://www.44mag.com/category/m1_garand
Never have seen them sell any firearm parts before but they are a good shop to deal with. Most of my mags are from them.
http://www.44mag.com/category/m1_garand
Never have seen them sell any firearm parts before but they are a good shop to deal with. Most of my mags are from them.