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-   -   Any Benefit over 16"?????? (http://www.quarterbore.net/forums/showthread.php?t=3412)

Fastshooter03 01-29-2010 10:49 PM

Any Benefit over 16"??????
 
Just finished threading and chambering my new Broughten 1x<8" twist barrel. Going into a Tikka M595 action. 30-221 ECT reamer.
Now I need to figure out how long to make it.
Is there any benefit to having a length longer than 16-17"?????
This will be shooting subsonic 99% of the time with a suppressor.

My take off barrel is a Lilja 1x8" approximately 17" and threaded 5/8-24. So if anyones interested in a 30-221 barrel for a M595 action........
Not sure if the barrel threads and headspace are the same on the new T3 actions.



Nick

dksd39 01-30-2010 01:08 AM

not for subsonics- the shorter the better..you can get all you need out of 10"

Rikky Lee 01-30-2010 06:21 AM

Agree for subsonic shooting. And 16 inches makes for a handy carbine. My previous barrel length was 21 inches and was great for supersonic loads but tricky for subs.

Fastshooter03 01-30-2010 08:53 PM

Quote:

Originally Posted by dksd39 (Post 17917)
not for subsonics- the shorter the better..you can get all you need out of 10"

That's what I was needing to know.
I sorta figured I wasn't going to be able to load any less powder or have it be any quieter having an 18" vs 16" but I wasn't 100% sure.

Nick

Alleycat 01-31-2010 03:08 PM

I love those barrels. We have them on our 1000 yd guns. we've never had a bad one.

Fastshooter03 01-31-2010 06:55 PM

I'm glad Tim's only 1/2 hour away and I can pick up when done.
I only have 4 more to go.
1-308 AR
3-223 AR
I already have a 17" 1x12 twist AR 223 for 3-gun that shoots freaking great.
Next one will be 18" 1x8 twist AR 223 for 3 gun. I need to shoot heavier bullets at certain matches:uzi2:
The extra 1" will hopefully help out with cycling issues I have with the 17". Can't use fast burn rate powders.
The second 2 AR 223 barrels will be longer with a integral muzzlebrake.
Broughten's makin things easier now with closer to finished contouring than before on the AR type barrels.:smile:
I want to start my own side business which would include making custom barrels using Broughten blanks. They go good with my new prototype uppers.


Nick

Fastshooter03 02-02-2010 10:48 PM

Got it back on the gun.
Here's some pics:
http://i586.photobucket.com/albums/s...3/PDR_0719.jpg
http://i586.photobucket.com/albums/s...3/PDR_0717.jpg


I kept it a little long in case the 5/8-24 threads affect accuracy.
If they do I'll have to make a custom QD with bigger threads.

Nick

Colohunter 02-03-2010 01:15 PM

Nice looking gun.

Fritzcat 02-03-2010 08:16 PM

Nice rifle!

Fastshooter03 02-03-2010 09:39 PM

Thanks!
I forgot to mention that I had to make a new extractor for this Tikka since some were sent out with 308 length extractors.
I ran into one other shooter with the same problem and he was able to get a dealer to order in the 223 one.
The older M595 actions have 6rd mags in 223 size.
I would hope the T3 actions are more thoroughly checked before shipping.
Someday I'd like to see how a T3 is.


Nick


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