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#5866265 - 08/06/15 01:16 PM Which caliber for AR-308 build?
tenyearsgone Offline
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Registered: 04/21/13
Posts: 1492
The time has come to step up from the AR-15 platform and I've narrowed it to these three. I hand load so factory ammo isn't a concern.
AR-308 build
Only one choice allowed


Votes accepted starting: 08/06/15 01:14 PM
View the results of this poll.

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#5866741 - 08/06/15 05:13 PM Re: Which caliber for AR-308 build? [Re: tenyearsgone]
Cleric Online   content
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Registered: 03/11/12
Posts: 2982
Tough call....

I was thinking of going gas but its a pain to keep track of brass with gassers. And with the specialized calibers they get a bit pricey


I would do 6.5 Creedmoor personally. the 7mm0-08 would be a second.

Wonder if you could fit a 6.5x47 into a 308 ar...

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#5866752 - 08/06/15 05:19 PM Re: Which caliber for AR-308 build? [Re: tenyearsgone]
Cast Online   happy
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Registered: 12/14/08
Posts: 16761
Loc: North Texas - God's Country
I built a 260 rem and a 338 fed. Both are nice.
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#5866805 - 08/06/15 05:53 PM Re: Which caliber for AR-308 build? [Re: tenyearsgone]
QuitShootinYoungBucks Online   content
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Registered: 11/01/12
Posts: 8339
Loc: Lubbock, TX
.260 or 7mm-08, brass for days and cheaper. I voted for the '08.
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#5866819 - 08/06/15 06:05 PM Re: Which caliber for AR-308 build? [Re: tenyearsgone]
FiremanJG Online   content
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Registered: 12/16/08
Posts: 22916
Loc: Wolfe City, TX
6.5 Creedmoor
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#5866823 - 08/06/15 06:06 PM Re: Which caliber for AR-308 build? [Re: tenyearsgone]
P_102 Online   content
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Registered: 09/23/08
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For what use?
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#5867115 - 08/06/15 08:52 PM Re: Which caliber for AR-308 build? [Re: tenyearsgone]
boonee Offline
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Registered: 01/09/11
Posts: 2182
Loc: Mesquite/Canton
300 RSAUM, had one it shot well but brass was hard to find. Hard to go wrong with a 6.5 bullet.
I built a 308, because I have a 6.5 Grendel.
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#5871368 - 08/09/15 10:14 PM Re: Which caliber for AR-308 build? [Re: P_102]
tenyearsgone Offline
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Registered: 04/21/13
Posts: 1492
Originally Posted By: P_102
For what use?


Just to have an AR-308 platform.

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#5871384 - 08/09/15 10:23 PM Re: Which caliber for AR-308 build? [Re: tenyearsgone]
6.5x47Lapua Offline
Tracker

Registered: 12/13/14
Posts: 525
Loc: dfw
Slow powders used by the 6.5's usually don't mix well with semi-autos. Factory creedmoor ammo has been known to blow primers in ar10's. On top of that, you are going to loose several hundred fps compared to a bolt action. Something to think about.

I would stick with a plain jane 308 running 155, 168, 175's. Maybe 190's if I could squeeze them into 2.8 inches.

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#5871727 - 08/10/15 09:48 AM Re: Which caliber for AR-308 build? [Re: tenyearsgone]
ccoker Offline
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Registered: 09/17/09
Posts: 3693
I have heard the same thing..in fact a friend's 6.5 AR10 was blowing primers on the Hornady factory ammo.

I have another friend who just built up a lightweight 20" 243 for hunting.

My AR10 is a lightweight 308, Wilson Combat,my 6.5 will be a precision bolt gun.

EDIT
Re read your initial post..
I would look hard at the 7mm08, I think you can get away with a slightly shorter barrel which is good if you want to hunt, especially with a can.


Edited by ccoker (08/10/15 09:50 AM)
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#5872189 - 08/10/15 03:22 PM Re: Which caliber for AR-308 build? [Re: tenyearsgone]
Tye Offline
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Registered: 01/18/07
Posts: 3369
Loc: Eastland county
I built a 6.5 creed and love it. Was shooting clay pigeons at 1000 the other day. The factory 140 grain amax is a little hot. I have not blown primers in the few that I shot. I was getting excessive swipes though. I reload my own ammo so it does not matter.
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#5872278 - 08/10/15 04:16 PM Re: Which caliber for AR-308 build? [Re: tenyearsgone]
ccoker Offline
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Registered: 09/17/09
Posts: 3693
clay pidgeons at a grand is fun stuff

is that a Mark6 3-18?
I run one on my 308...


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#5872284 - 08/10/15 04:20 PM Re: Which caliber for AR-308 build? [Re: ccoker]
Tye Offline
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Registered: 01/18/07
Posts: 3369
Loc: Eastland county
Originally Posted By: ccoker
clay pidgeons at a grand is fun stuff

is that a Mark6 3-18?
I run one on my 308...




Yes, with the m5c2 turrets. I love the scope and rifle.

Nice rig
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Originally Posted By: AmoCuernos
If you shoot a young deer because a neighbor will shoot it, you are that neighbor.

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#5872292 - 08/10/15 04:23 PM Re: Which caliber for AR-308 build? [Re: tenyearsgone]
ccoker Offline
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Registered: 09/17/09
Posts: 3693
likewise!
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#5872371 - 08/10/15 05:10 PM Re: Which caliber for AR-308 build? [Re: tenyearsgone]
tenyearsgone Offline
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Registered: 04/21/13
Posts: 1492
These guns look nice. Just not looking forward to the price hike on parts.

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