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#5831580 - 07/14/15 12:22 PM 6.8 SPC in a 11.5" SBR?
ccreyeder Offline
Bird Dog

Registered: 08/07/11
Posts: 310
Loc: San Antonio, Tx
Well, my tax stamp should be coming back any day now for my SBR, so beginning to research what to top it with...

Trying to decide between 300 BO and 6.8 SPC....

Will be running it suppressed, although prob will shoot super-sonics (plans for the SBR are as a night hunting rig)...

Am leaning towards staying with the 6.8 as it is what I currently have my NV gear on and have had good luck with it...

Originally thought 12.5" ARP barrel, but they are out of stock... In my research have found Bison Armory has complete uppers in 11.5 in for a reasonable price...

Any experience with the 11.5 in 6.8?

Also, any experience with Bison Armory?

Thanks for any input!

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#5831594 - 07/14/15 12:29 PM Re: 6.8 SPC in a 11.5" SBR? [Re: ccreyeder]
TexFlip Online   content
THF Trophy Hunter

Registered: 08/18/12
Posts: 9301
Loc: Chambers County
What caliber and length is it registered in?


Edited by TexFlip (07/14/15 12:30 PM)
_________________________

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#5831610 - 07/14/15 12:44 PM Re: 6.8 SPC in a 11.5" SBR? [Re: TexFlip]
ccreyeder Offline
Bird Dog

Registered: 08/07/11
Posts: 310
Loc: San Antonio, Tx
Originally Posted By: TexFlip
What caliber and length is it registered in?


Dang, I forgot about that...I will have to go look...

Will I forever be stuck with what I originally entered?

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#5831613 - 07/14/15 12:47 PM Re: 6.8 SPC in a 11.5" SBR? [Re: ccreyeder]
DocHorton Online   content
Extreme Tracker

Registered: 12/06/10
Posts: 3783
Loc: DFW
Originally Posted By: ccreyeder
Originally Posted By: TexFlip
What caliber and length is it registered in?


Dang, I forgot about that...I will have to go look...

Will I forever be stuck with what I originally entered?


No, you can change it as soon as you get it approved. The only caveat is that you are supposed to be able to readily return it to what is on your Form 1, meaning you should keep the upper it was registered under.

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#5831681 - 07/14/15 01:30 PM Re: 6.8 SPC in a 11.5" SBR? [Re: ccreyeder]
ccreyeder Offline
Bird Dog

Registered: 08/07/11
Posts: 310
Loc: San Antonio, Tx
ahh.. originally filled it out for an 8" 300 BO... Which obviously I didn't/don't have because I didn't have my stamp yet! typical govt bang lol

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#5831771 - 07/14/15 02:14 PM Re: 6.8 SPC in a 11.5" SBR? [Re: ccreyeder]
seacam Online   content
Pro Tracker

Registered: 10/18/09
Posts: 1127
Loc: Kyle, TX
Bison Armory is good to go. I have built several uppers with their barrels. Reports are they are shooters.

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#5831789 - 07/14/15 02:30 PM Re: 6.8 SPC in a 11.5" SBR? [Re: ccreyeder]
Crews Offline
Tracker

Registered: 07/03/10
Posts: 679
Loc: Longview, Tx
Is your can rated for 6.8 in that barrel length?

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#5831840 - 07/14/15 03:01 PM Re: 6.8 SPC in a 11.5" SBR? [Re: Crews]
ccreyeder Offline
Bird Dog

Registered: 08/07/11
Posts: 310
Loc: San Antonio, Tx
Originally Posted By: Crews
Is your can rated for 6.8 in that barrel length?


it is the Silencerco Omega. They don't have 6.8 SPC listed in their specs... Website says min barrel lengths are 8" for 300 BO, 10" for 556 and 16" for 308. I think I read somewhere (6.8 forum maybe) that down to 10" was good for the 6.8 as well, but I cannot verify that anywhere...

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#5831935 - 07/14/15 03:50 PM Re: 6.8 SPC in a 11.5" SBR? [Re: ccreyeder]
TTUhunter4 Offline
Tracker

Registered: 07/03/10
Posts: 656
Loc: Texas
.300 BO is the clear choice because the Omega is only rated for 16" 6.8 barrels in up. So, if you want to use your can on your SBR it can't be a 6.8.
_________________________
"God made man, but Samuel Colt made them equal."

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#5831939 - 07/14/15 03:50 PM Re: 6.8 SPC in a 11.5" SBR? [Re: ccreyeder]
TTUhunter4 Offline
Tracker

Registered: 07/03/10
Posts: 656
Loc: Texas
By the way, the 16" barrel minimum for 6.8s comes straight from Silencerco. I love the Omega, though!
_________________________
"God made man, but Samuel Colt made them equal."

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#5831960 - 07/14/15 04:01 PM Re: 6.8 SPC in a 11.5" SBR? [Re: TTUhunter4]
ccreyeder Offline
Bird Dog

Registered: 08/07/11
Posts: 310
Loc: San Antonio, Tx
Originally Posted By: TTUhunter4
By the way, the 16" barrel minimum for 6.8s comes straight from Silencerco. I love the Omega, by the way!


yep, just found that out mad ... well, dang.. back to the drawing board...

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#5831981 - 07/14/15 04:14 PM Re: 6.8 SPC in a 11.5" SBR? [Re: ccreyeder]
TTUhunter4 Offline
Tracker

Registered: 07/03/10
Posts: 656
Loc: Texas
Originally Posted By: ccreyeder
Originally Posted By: TTUhunter4
By the way, the 16" barrel minimum for 6.8s comes straight from Silencerco. I love the Omega, by the way!


yep, just found that out mad ... well, dang.. back to the drawing board...


Build that 8" .300 BO and shoot some subs! All is not lost!
_________________________
"God made man, but Samuel Colt made them equal."

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#5832389 - 07/14/15 09:12 PM Re: 6.8 SPC in a 11.5" SBR? [Re: ccreyeder]
ccoker Offline
Veteran Tracker

Registered: 09/17/09
Posts: 3374
another reason I recommend the Crux Nemesis30, rated for 300 win mag and full auto SBR (if running the brake)
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Disclosure statement
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Affiliated with Trijicon, Wilson Combat and Crux Suppressors


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#5832479 - 07/14/15 10:17 PM Re: 6.8 SPC in a 11.5" SBR? [Re: ccreyeder]
huntandfish Offline
Pro Tracker

Registered: 11/29/07
Posts: 1683
Loc: Seclusion, tx
Love my 12.5" arp barrel! i run from 90 grain on up to 120. I get 2680 fps shooting the factory 90 grain federal xm 6.8 and 2420 factory hornady out of the ARP 12.5" barrel.
Heres where i got my 12.5" arp barrel from a arp dealer and they are in stock! Its a little more, since they where on sale at arp, but they ship very fast. I used the stag 6.8 bolt from them also. I Was having a little problem with hornady 120 factory ammo being tight in chamber, but it ended up being out of spec factory ammo. I still have a few rounds left that are hard to manually eject out of rifle, but Every box i bought afterthat first batch ejects perfect.
http://www.stuttstacticalsupply.com/AR15...tock_p_199.html

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#5832536 - 07/14/15 11:05 PM Re: 6.8 SPC in a 11.5" SBR? [Re: ccreyeder]
ccreyeder Offline
Bird Dog

Registered: 08/07/11
Posts: 310
Loc: San Antonio, Tx
Thats why this forum is so great! Get loads of good helpful info and yall bring up things I failed to take into account (min barrel length etc..)

Huntandfish.. . what can are you running with your 12.5?

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