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11/22/2017 10:05:29 PM
Posted: 9/8/2004 6:56:36 PM EST
I have a J&T Bull Barrel upper that I want to remove the barrel nut to instal a FIRSH. The Oly Arms wrench I have is not big enough to work (it is apparently only for HBARs).

So, does anybody know of a place to get a wrench that has an opening large enough to remove the barrel nut on a bull barrel?
Link Posted: 9/9/2004 11:31:27 AM EST
???
Link Posted: 9/9/2004 4:30:47 PM EST
The best thing is to just use a 1" drum sander chucked up in a drill to open your wrench the little bit that is required.

Also note that the barrel nut on the FIRSH also has a 1" opening so you'll need to ream it out a little as well.
Link Posted: 9/9/2004 7:14:13 PM EST
Hmmm, didn't have to do anything special for my DPMS bull barrel.


Link Posted: 9/9/2004 9:06:33 PM EST

Originally Posted By DaPhotoGuy:
Hmmm, didn't have to do anything special for my DPMS bull barrel.


With -most- bull barrels you don't have to do anything special because they are 1" diameter or maybe just a little less. The DPMS "Super Bull" barrels, the RRA Varmint barrels (there's a reason that every comment about the RRA varmint barrels includes the word 'heavy') and apparently the J&T bull barrel are 1 1/16". Every barrel wrench I've seen has a 1" opening and some barrel nuts such as the ones used on the Olympic Arms FIRSH have a 1" hole.
Link Posted: 9/10/2004 9:49:30 AM EST

Originally Posted By Hoplophile:

Originally Posted By DaPhotoGuy:
Hmmm, didn't have to do anything special for my DPMS bull barrel.


With -most- bull barrels you don't have to do anything special because they are 1" diameter or maybe just a little less. The DPMS "Super Bull" barrels, the RRA Varmint barrels (there's a reason that every comment about the RRA varmint barrels includes the word 'heavy') and apparently the J&T bull barrel are 1 1/16". Every barrel wrench I've seen has a 1" opening and some barrel nuts such as the ones used on the Olympic Arms FIRSH have a 1" hole.



That makes sense. The DPMS bull barrel on the LoPro is .963 inch.
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