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Do I need to stake my castle nut?
Ive seen the pws ratcheting castle nut, but it looks hard to remove (same reason I don't want to stake mine).
I know I could use locktite but I wanted to see if there are other options out there, like using 2 narrow castle nuts like jam nuts?
4 Answers
- BBeanLv 79 months ago
I often do not stake my castle nut because my AR`s are not going to the battlefield. Properly torqued they have never backed off. If I were on the battlefield then I would stake the nut in at least two places. It is not uncommon for a soldier to "mortar" a M4 (or other variation) that has stuck the BCG in the receiver and that action can cause the buffer tube to wobble the castle nut loose. You have to do what you have to do in combat when you have a malfunction but there is no reason a buffer tube has to come off short of damage or replacement. When I do stake the castle nut that has notches then I do it with a 60 degree point carbide punch. The reason I use a carbide tipped punch is because of the ultra smooth finish it leaves then touch up with a dab of aluminum black.
As far as jam-nutting the castle nut then OK for whatever suits you.
I am not for loctite used on a personal AR.
- Russ in NOVALv 79 months ago
You should, but many people who build don't. They are removable after they are stacked with some effort. See youtube for examples.
If you decide not to use rocksett or loctite.
I also have one build with the PWS castle nut you mentioned. It haven't used it long enough to fully endorse it, but so far no issues.