Quote:
Originally Posted by SINN
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That King Arms wrench and just about every single other barrel wrench on the market that's marketed as an "AR-15 wrench" "Armalite wrench" etc etc will all be the incorrect tool. It is NOT the correct tool to properly torque down a Daniel Defense barrel nut.
THIS is what you should be using to prevent any damage to the notches:
https://danieldefense.com/rail-syste...er-wrench.html
It *looks* like the spanner end on some Armalite multitools that fit the collar of a collapsible stock, but is not the same dimension. The stock collar is smaller, and as such, you can not get a stock collar spanner to properly engage all three notches on the DD barrel nut. If it's a last resort, you can sort of get a stock collar spanner to work by hooking just one of the three notches on to the DD barrel nut, but you have to be very careful in doing so. You will risk damaging the notches if you slip. The King Arms wrench linked above does NOT have the stock collar spanner end, so it would be useless for this situation.
In my opinion, if you're going to go this route, then you might as well use a punch and hammer and just bash away at the DD collar to attach/remove it, but you will most definitely damage it this way and you still won't be able to get the appropriate amount of torque needed to fully secure it.