Plumber's Strap Wrench?
- From: gwhite@xxxxxxxxxxxx (Doug White)
- Date: Sat, 30 Jun 2007 19:42:46 GMT
I'm building an AR-15 based "match rifle" for competition, and the
handguard mounting is non-standard. The handguard is a sleeve that
clamps onto a special cylindrical barrel nut. Ordinarily, the barrel nut
has something akin to gear teeth. There is a fancy wrench with pins that
mate with the teeth, and you are supposed to torque the barrel nut to
35 foot pounds. You then tighten it just enough more to align one of the
gaps between the teeth with the path for the gas tube, but no more than
80 foot pounds. The manufacturer of the handguard (who is very well
respected) says he just uses a plumbers strap wrench and tightens it as
tight as he can. His design has no gas tube alignment issues, and with a
range of 35 to 80 foot pounds, the exact torque clearly isn't too
critical.
So, it looks like I'm in the market for a strap wrench. The barrel nut
is about 1 3/8" OD, and I'd like to get one that won't mar the nut. My
first guess would be a Rigid brand wrench, but I figure I'd ask the folks
here for suggestions & anything to watch out for.
Thanks!
Doug White
.
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