[ARCHIVED THREAD] - M1A/M14 castle nut thread pattern

Posted: 2/24/2008 5:27:28 PM EDT

I was curious what this is. I know it's unique to the rifle.

While we're on it, what are the receiver and gas lock ring threads?

Ben

Posted: 2/25/2008 6:28:54 AM EDT

[#1]

uh, son of a gun... all of the books and manuals I have, not one listed the thread pitch timing of any of these.

Posted: 2/26/2008 11:07:24 AM EDT

[#2]

.595-32 tpi Yea baby!

I wonder who told me this?

Posted: 2/26/2008 4:14:20 PM EDT

[#3]

Quoted:
.595-32 tpi Yea baby!

I wonder who told me this?

And the other two?

Posted: 2/26/2008 4:27:42 PM EDT

[#4]

Good question. we should call Smith Ent

Posted: 2/26/2008 4:29:43 PM EDT

[#5]

watch those chinese knockoffs, they have metric threads, found that out the hard way

Posted: 2/26/2008 4:37:38 PM EDT

[#6]

Quoted:
.595-32 tpi Yea baby!

I wonder who told me this?

You are correct!

I don't know if you got it from one of my posts, but I have posted this before...

M14: .595"-32 tpi.

AR10 and Rem 700 Tactical: 5⁄8"-24 tpi

AR15/M4/M16 (5.56 mm): ½"-28 tpi

AR15/M4/M16 (6.8 mm): 9/16"-24" tpi

FAL: 9⁄16" - 24 tpi LH thread

BTW, you can find it in the Brownells catalog in the part description of the muzzle attachments.

[ARCHIVED THREAD] - M1A/M14 castle nut thread pattern

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[ARCHIVED THREAD] - M1A/M14 castle nut thread pattern

[ARCHIVED THREAD] - M1A/M14 castle nut thread pattern