buffer weight

  1. MrDisaster

    The right buffer weights for two different AR-15 uppers

    Hi everyone! it's my first post here. I'm building 2 uppers for my AR-15 lower (I'll run same lower for both upper because, in terms of the law in my country, it's impossible to purchase extra lower). The purpose of those uppers is a Short Tactical Carabine and Long Range PRS rifle. Here's...