Remington is having a rebate on some of their ammo including their Hog Hammer. They use Barnes TSX bullets. I have shot the 130 gr 300 blackout and they shoot very well. I think the rebate is for $5 off each box, max of 4 boxes. Here is a link from midway. I think I picked them up at...
I'm sure I am missing something. Say you deer hunt and fish only. Isn't the cost of the yearly license $17 a year? I am not sure how a $400 lifetime would pay for itself in 3 years. Are there other fees?
I don't think you need 20" barrel at all. Here is a nice article on it and it pretty much says length just doesn't matter that much (of course that is not what your girlfriend said)...
I don't think so, the lower is an NFA item and you have to get BATF's approval. I personally have never done it but I hear there is like nothing to it... I think there is a form saying you will go over state lines and I understand it is pretty much always approved.
Back to 300bo and hunting...