There are strange things going or who's coming up with the strangest idea.
Here's what the guy up the road is doing:
1) Build a recoil lug that has a bit of an edge all the way around the barrel sufficient to butt an aluminum tube to it.
2) Size the muzzle brake
with a diameter the same as the recoil lug and cut a ledge on it so the tube supported.
3) Machine the aluminum tubing to the correct length. Jury is still out on exact length.
4) Slip the tube over the barrel, I guess its ok if it touches the barrel at the recoil lug.
5) Install the brake ensuring the tube is supported on the machined ledge and tighten the brake against the tube to the proper torque. Jury is still out on the proper torque.
On a 300 RUM sporter the system is reported to reduce 500 yard groups from 5" to 3". This is with no load development whatever. Just loaded a reasonable sounding load and did the test.
And I thought I came up with some weird stuff.
But who am I to say, this may be the next big fad........