Many years back at a gunshow, I picked up an FN Haitian military Mauser action (these were made for 30-06 with a lengthened magazine and a notch in the receiver to clear the bullet noses loaded from GI stripper clips) ) and an in the white barrel with an unusual number of grooves (12) for 308 Norma Mag. Total outlay was $45. My neighbor gave me a nice stock which I fitted to the barreled action and glass bedded and added a Lyman 48 sight. It shot well with 180 grain Noslers seated to an OAL of 3.31 inches over 71 grains of the old surplus 4831 in Norma brass with Federal LRM primers. You do have to be careful with some published loads as the original Norma chamber in the S&H rifles had some freebore to reduce pressure and since the early rifles were custom gunsmith chambered they may or may not have the freebore. Mine was freebored. I sold the rifle a few years ago and all the brass and dies I had went with it.