I've got knurled pins on trigger and hammer pins on some of my match AR15s. The Marine team armorer from Quantico WTB showed us how to do it. You only do it on one side. It scared me at first but it was done in 1994 and I've swapped triggers 3 times since then and its all still good in an ALUMINUM lower.

I really think the oversize pin is the better choice of course. But I fail to see how it'll do any real good.

And in the end-- the main question is not answered. Shoot it first. Then if it won't shoot, wont' shoot handloads etc.... worry about it. I was more concerned with the locking lugs contacting the side of the reciever on one side and had to relieve that first before anything else. You sure don't want that stress on one side only. Which is another reason that a pin only can't really solve the true problem, IMHO

Jeff