The Italian Tipo 2 7.62 Garands use all standard Garand parts with the exception of the following parts which are .5 inch shorter; barrel (standard .30-06 Garand barrel shortened .5 in at breech end and re-chambered for 7.62 NATO), op rod, op rod spring, stock, and rear handguard. The Italians also added a removable steel spacer in the mag well which precludes loading the rifle with .30-06 rounds.
I've built a couple of the Tipo 2 models and do my 7.62 shooting with them in place of the now verboten/grandfathered US GI M14s which our gun control apparatus has turned into safe queens. I have an admittedly unreasonable and personal bias against the Norinco M14 clones. The barrels that I've used are NOS 1963 dated Springfield Armory barrels. Op rods are a shortened IHC and an uber rare -13 SA variant. A 23.5 in 7.62 barrel from one of the early Italian BM59 variants will also work with these. I've never seen an op rod from this earlier BM59 variant, but I believe that they are also interchangeable with the Tipo 2 op rods. I recently acquired one of the Italian made barrels which appears identical to the shortened Tipo 2 barrel, except for a scalloped and tapered surface below the chamber area, different feed ramps leading into the chamber, and the barrel markings. I'm looking fwd to using this one for another build on a Beretta receiver.