This may be stupid, but I figured I'd ask. With the exception of correct scope and sling ( and thanks to Chuck) I got my Z prefix A4 finished. It seems that I can't get my hands on an M73B1 to save my life, the prices leap away from my budget. So for the time being I picked up a 29S,, not too bad, considering. Here is my question, I have a Weaver B4 with the belled (?) eye piece, the 29S has the early style straight (small) eye piece. The B4 is 4 power and I'm told the 29S is 3 power. I would like to put the larger eye piece on the 29S,,,, it will fit, but does the eye lense influence the magnafication?? Something else, is a 29S allowed in vintage sniper?