Thread Protector Keeps Coming Loose

dreadpirate · Feb 18, 2017

Shot 350 rounds through my M&P 22 compact. Shot well, but the thread protector kept coming loose; had to tighten every second mag. What can I use to tighten it? Just more elbow grease?

RRP II · Feb 18, 2017

I had the same issue on my FNP tactical. Solution is to slide a rubber O ring over the threads then screw on the thread protector, work great.

K31 · Feb 18, 2017

Loctite.

Biggfoot44 · Feb 18, 2017

Redneck loctite. ( Dollar store clear nail polish)

dreadpirate · Feb 18, 2017

Biggfoot44 said:
Redneck loctite. ( Dollar store clear nail polish)

For a second there I thought I read "red loctite" and was thinking "is that a good idea?".

DutchV · Feb 18, 2017

A few wraps of plumber's Teflon thread tape will fix it. A roll is about a buck at the hardware store. Heat resistant, too, although I guess on a .22 that's not a big deal.

dreadpirate · Feb 18, 2017

Ok - I have blue Loctite and Teflon tape on hand; so will try one of those.

ToolAA · Feb 18, 2017

dreadpirate said:
Shot 350 rounds through my M&P 22 compact. Shot well, but the thread protector kept coming loose; had to tighten every second mag. What can I use to tighten it? Just more elbow grease?

I used Rockset on my 300bo. We'll see how it holds up.

Sent from my iPhone using Tapatalk

E.Shell · Feb 19, 2017

ToolAA said:
I used Rockset on my 300bo. We'll see how it holds up.

Rockset has the advantage of being heat resistant, whereas LockTite comes loose with heat. Neither should be needed for a .22 rimfire and the o-ring or teflon tape is probably plenty.

Pinecone · Feb 19, 2017

ToolAA said:
I used Rockset on my 300bo. We'll see how it holds up.

Sent from my iPhone using Tapatalk

Problem is to get it back off.

Blue Loctite can be fairly easily removed.

I would try Teflon tape first.

foodpoison · Feb 19, 2017

I was told Rockset could be removed by soaking it in water

E.Shell · Feb 19, 2017

foodpoison said:
I was told Rockset could be removed by soaking it in water

That's correct.

Pinecone · Feb 20, 2017

So, you want to soak your firearm in hot water every time you want to use a suppressor????????? Or other screw on muzzle device?

If you don't use such devices, then Rockset is fine.

But why to you have a threaded barrel with a protector then???????????????

dreadpirate · Feb 20, 2017

Pinecone said:
So, you want to soak your firearm in hot water every time you want to use a suppressor????????? Or other screw on muzzle device?

If you don't use such devices, then Rockset is fine.

But why to you have a threaded barrel with a protector then???????????????

I have a can in jail and that is the plan. However - when not using said can I don't want the thread protector to come off.

Hawkeye · Feb 21, 2017

Just get a high-temp Viton O-ring of the proper size, roll that down over the barrel threads, and seat the thread protector against it. That or a wrap of teflon tape. Either one will keep the protector from spinning loose and will be easily removable.

Rocksetting your thread protector on is perhaps a little extreme.

Jaybeez · Feb 21, 2017

I use the grey hi temp teflon tape. Its much thicker. It only takes one wrap around the threads to make it tight.

Pinecone · Feb 21, 2017

dreadpirate said:
I have a can in jail and that is the plan. However - when not using said can I don't want the thread protector to come off.

Rockset is overkill for that.

I would try teflon tape or blue Loctite.

cantstop · Feb 21, 2017

There is something wrong here. I would stay away from Loctite, because Loctite loosens with heat. Teflon tape should work, but you'll have to replace it whenever you remove/clean your suppressor. That could get to be aggravating.

If you're a student of SOTAR, ping Clandestine.

Hawkeye · Feb 21, 2017

cantstop said:
There is something wrong here. I would stay away from Loctite, because Loctite loosens with heat. Teflon tape should work, but you'll have to replace it whenever you remove/clean your suppressor. That could get to be aggravating.

There is nothing wrong, and he's not talking about a suppressor. He's talking about a thread protector. They come loose if they're not tightened on enough.

BenL · Feb 22, 2017

Small silicon o ring (ETA Viton) will do the trick or plumber's tape. I definitely wouldn't use loctite.

I used an o ring on my FNX45 for a pistol class; almost 700 rounds, no loosening. Here are the ones I bought:

https://www.amazon.com/M2x38-Viton-...005RURHL8/ref=cm_cr_arp_d_product_top?ie=UTF8

You can probably get smaller ones for a 22.

Thread Protector Keeps Coming Loose

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