[ARCHIVED THREAD] - Questions need answers

Posted: 3/11/2015 6:50:00 AM EDT

I have a CMMG 300BLK upper and I want to change the Flash Hider. Cmmg says 5/8 x 24 so do I need a 308 FH or a 556?

Thanks

Posted: 3/11/2015 7:58:02 AM EDT

[#1]

.308. 5.56 is threaded ½ x 28 and the opening would be too small.

Posted: 3/11/2015 8:05:59 AM EDT

[#2]

Thanks, Thats what I thought

Posted: 3/11/2015 8:06:46 AM EDT

[#3]

Quote History

Quoted:

.308. 5.56 is threaded ½ x 28 and the opening would be too small.

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Double check the tread pitch. I bought a HYM 6.8 FH for a PSA 6.8 build assuming it would work...it did not. Ended up getting a VLTOR and it worked well.

Posted: 3/11/2015 3:30:39 PM EDT

[#4]

Quote History

Quoted:
Double check the tread pitch. I bought a HYM 6.8 FH for a PSA 6.8 build assuming it would work...it did not. Ended up getting a VLTOR and it worked well.

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Quote History

Quoted:

Quoted:
.308. 5.56 is threaded ½ x 28 and the opening would be too small.

Double check the tread pitch. I bought a HYM 6.8 FH for a PSA 6.8 build assuming it would work...it did not. Ended up getting a VLTOR and it worked well.

yhm and stag go with some weird and wacky thread pitch for their 6.8

[ARCHIVED THREAD] - Questions need answers

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[ARCHIVED THREAD] - Questions need answers

[ARCHIVED THREAD] - Questions need answers