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AR15.COM
6/3/2025 7:01:44 PM EDT
Holosun, RMR, Shield, etc. 222 Purple or 243 Blue?
"An age of glory passed like a lightning flash. The mandate of heaven passed from you but you didn't see. Times change and power passes. It is the pity of the world."

Song dynasty poet
6/3/2025 7:08:15 PM EDT
[#1]
I only ever use the purple stuff.
6/3/2025 7:26:32 PM EDT
[#2]
I just use the proper torque and haven’t had one come off yet.
6/3/2025 7:32:19 PM EDT
[#3]
222MS is what you want
6/3/2025 7:46:03 PM EDT
[#4]
243 blue.
6/3/2025 7:48:39 PM EDT
[#5]
I got the purple
6/3/2025 7:55:17 PM EDT
[#6]
I just torque them properly. Not an issue.
6/3/2025 8:06:20 PM EDT
[Last Edit: Strela][Edited] [#7]
Quote History
Originally Posted By gsc0527:
I just torque them properly. Not an issue.
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I'm still a fan of the late, great Pat Rogers, RIP.

"IF IT IS ATTACHED TO THE GUN, USE LOCTITE®"

"A thread locker is not a luxury, it is a necessity. Vibration will cause threaded devices to loosen. Every time you press the trigger, vibration will cause those nuts and screws to loosen. Once they loosen, you will suffer a loss of zero for sighting devices, and eventually the object will part company from the gun. We see this once or more at every class. Use Loctite®. Note that it doesn’t last forever, and you may have to reapply it at intervals."


https://www.swatmag.com/article/carbine-tips-hold-mark-tighten-lube/
"An age of glory passed like a lightning flash. The mandate of heaven passed from you but you didn't see. Times change and power passes. It is the pity of the world."

Song dynasty poet
6/3/2025 8:58:25 PM EDT
[#8]
I don't know if it's the best but I've never had anything work loose with Loctite 243 (blue).
6/3/2025 9:07:47 PM EDT
[#9]
Quote History
Originally Posted By lfagan:
222MS is what you want
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this. MS stands for machine screw. It's what Mega specs for their screws. I used blue loctite and broke one of the tiny things.
I know I'll never go home.
So set fire to your ships, and past regrets, and be free.
6/3/2025 9:11:15 PM EDT
[#10]
Blue, I think it's 242, but I'd have to look.  Just basic blue Loctite.
6/3/2025 10:07:58 PM EDT
[#11]
I've never used anything other than 242 blue Loctite.
"What is socialism? The most difficult and tortuous way to progress from capitalism to capitalism." -Stated at an intel conference, East Berlin, Oct. 1988

"Every election is a sort of advance auction sale of stolen goods." -H.L. Mencken
6/4/2025 1:57:34 PM EDT
[#12]
I like this:



It's a lot less messy than the liquid.
Support Team Ranstad, Damnit!
6/4/2025 2:53:39 PM EDT
[#13]
Quote History
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6/4/2025 3:43:10 PM EDT
[#14]
I have been using vibra tite VC-3, no issues.
Well, I was drunk the day my mom got out of prison....
6/4/2025 3:55:02 PM EDT
[#15]
Quote History
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This is what I use when I can find the danged tube, otherwise blue liquid loctite
Carry it, shoot it. (repeat forever)

Swing Your Sword

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