03-09-2011, 11:45 PM
AskDrTodd Wrote:Yeah $50 is more than I'd like to spend for something I'm going to use once.
Unlike the other forms of upper clamps you will use this more often than you think. It's very handy for holding uppers to work on sights, etc.
The internal tool mentioned from Brownells appears to be a very slick method of torquing the barrel nut properly. But from memory it's not any cheaper and does not do anything else.