outerlimits Posted June 10, 2008 Share Posted June 10, 2008 can someone explain the relationship to the outer receiver nut and the inner retainer nut? having assembled others with just a single barrel nut, i don't quite understand how these two parts interact/fit? course i don't have one to look at either. Link to comment Share on other sites More sharing options...
jones Posted June 10, 2008 Share Posted June 10, 2008 just installed the "new style" JP handguard. the outer nut fits over the threads of the receiver. after a degreasing, you're supposed to use a good amount of red loctite to hold it on. (if using any of the rails for sights, be sure to dry fit the handguard to confirm it's level before loctite drys.) the inner retainer nut fits into the threads of the outer reciever nut and 'jams' the barrel into the receiver. I was amazed that it worked according to instructions. I thought the outer nut would spin for sure when I torqued the inner. but all went well and the part looks and functions great. hope this helps. Link to comment Share on other sites More sharing options...
GentlemanJim Posted June 10, 2008 Share Posted June 10, 2008 Use GOOD loctite...and let it cure, or it will turn IMHO this is the best handguard design made! I made a pin on the lathe that aligns the reciever and nut while it cures. Jim Link to comment Share on other sites More sharing options...
SHELLFISH17 Posted June 10, 2008 Share Posted June 10, 2008 The pin is a good idea...things tend to move when there is glue/locktite involved and then your screwed. Link to comment Share on other sites More sharing options...
Scout454 Posted June 10, 2008 Share Posted June 10, 2008 I use a rib temporarily attached on top of the hand guard that is then clamped to the top of the receiver with a riser to keep everything straight while the Loctite sets. This is only an issue if someone wants to put irons on the hand guard but I use it all of the time Link to comment Share on other sites More sharing options...
Trail3 Posted June 11, 2008 Share Posted June 11, 2008 Butch, Randy B did mine, Give him a call. Randy A. Link to comment Share on other sites More sharing options...
Polytech Posted June 13, 2008 Share Posted June 13, 2008 I have one and I love it, great handguard. I installed it myself, didn't degrease propperly the first time and I had to clean it up re-do it. Has anyone ever indexed the outter nut like you would with a comp, by taking just enough material off the back so it bottoms out on the reciever? Polytech Link to comment Share on other sites More sharing options...
outerlimits Posted June 13, 2008 Author Share Posted June 13, 2008 i'm still confused over the design. conventionally, there is one barrel nut that tightens around the upper receiver. with this unit, there are two. what i can't figure out is the outer receiver nut has female threads that obviously must thread around the upper receiver threads which are male. but the inner barrel retainer nut has male threads and has me stumped. it apparently threads into the outer nut, but how the heck does it mate with the upper threads? Link to comment Share on other sites More sharing options...
kurtm Posted June 13, 2008 Share Posted June 13, 2008 Yes I always cut a bit off the back of the outer "nut" so it bottoms against the receiver. It makes for a very solid mount, and it keeps gas from escaping at the nut and messing up your handguard and nut with carbon. KurtM Link to comment Share on other sites More sharing options...
scirocco38s Posted June 13, 2008 Share Posted June 13, 2008 I have one and I love it, great handguard. I installed it myself, didn't degrease propperly the first time and I had to clean it up re-do it. Has anyone ever indexed the outter nut like you would with a comp, by taking just enough material off the back so it bottoms out on the reciever? Polytech Yes, That is the way I install mine Link to comment Share on other sites More sharing options...
uscbigdawg Posted June 13, 2008 Share Posted June 13, 2008 Whew...glad I wasn't the only one that was having index "problems" on this. I was thinking that my receiver was screwed up. Rich Link to comment Share on other sites More sharing options...
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