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Today 2:45:52 PM EDT
What would be a good short barrel length got the 6.5 Grendel?
I have the ammo, I have a completed lower, So I am not interested in a new caliber.
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Today 2:49:25 PM EDT
[Last Edit: 3one5][Edited] [#1]
I haven't shot it out of anything but an 18" barrel and it performs superbly there.  My son used it for black bear hunting this year but unfortunately didn't get the opportunity to take a shot.
Today 2:49:29 PM EDT
[#2]
12.5”
Today 2:53:23 PM EDT
[#3]
Quote History
Originally Posted By SaltySourdough:
12.5”
View Quote


Came to post this,my 12.5 shoots great.
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Today 3:25:07 PM EDT
[#4]
Originally Posted By SaltySourdough:
12.5”
View Quote

Originally Posted By m1awolf:


Came to post this,my 12.5 shoots great.
View Quote


12.5 is the best trade off length.

Unfortunately, mid-tier short barrels are hard to find at the moment.

https://www.ar15.com/forums/ar-15/Mid-priced-short-6-5-Grendel-barrels-unobtanium-right-now-/121-794373/
"All of a sudden, I found myself in love with the world. So there was only one thing that I could do, ding a ding dang my dang a long ling long "
Today 3:26:41 PM EDT
[#5]
Really like my 12.5

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Today 4:06:35 PM EDT
[#6]
Another 12.5” here. With a .30 caliber can, it handles great.

A quote from another member here…….(I’m sorry don’t remember who).

“A 10.5” 123 gr 6.5 Grendel has more ft/lbs energy at 400 yds than a 20” .30-30 150 gr has at 200 yds.  Let that soak in, then think of how much game has been taken with a .30-30.”

…….so a 12.5” would even be a tad better.
Today 4:10:03 PM EDT
[#7]
I've got a 20" so can't help you.  123gr ELD seem to shoot well from it.
Fighting for underscores everywhere.
Today 4:13:07 PM EDT
[#8]
Quote History
Originally Posted By SaltySourdough:
12.5”
View Quote

My 12.5 shoots great , as well.
Today 4:14:53 PM EDT
[#9]
Love the Grendel!   18” BCA stainless bolt action upper stays in overlook condition in my cabin while I work on sawmill.  Have taken several coyotes at 150 yds while eating lunch or on a quick break from milling.  Deer also when in season.  I think it’s a little light for bear.  Jmho.
Today 4:16:47 PM EDT
[#10]
Quote History
Originally Posted By wideglidejoe:
Another 12.5” here. With a .30 caliber can, it handles great.

A quote from another member here…….(I’m sorry don’t remember who).

“A 10.5” 123 gr 6.5 Grendel has more ft/lbs energy at 400 yds than a 20” .30-30 150 gr has at 200 yds.  Let that soak in, then think of how much game has been taken with a .30-30.”

…….so a 12.5” would even be a tad better.
View Quote


Interesting quote on the 10.5 . I have a 10.5 bbl that I intended for some 90gr varmit weight bullets that I haven't built yet .

Today 4:21:00 PM EDT
[#11]
I use a 12” as a dedicated hog gun (thermal/supressed)

I’ve killed a few deer with it too, out to about 200 yds.  123gr ELD-M.  Kills em dead, every time.
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Today 4:22:54 PM EDT
[Last Edit: Genin][Edited] [#12]
I have owned 24, 20, 18, 16 inch Grendels..  Of all those rifles (multiples in some barrel lengths) the 18" barrels gave me the best performance overall.  Sure shorter barrels are a little easier to manipulate in enclosed areas, but that is such a small amount of what I used the Grendels for that I got the most use and benefit from the 18" barreled rifles.   I had other firearms for suppressed use.
Today 4:42:34 PM EDT
[#13]
Grendel in 12.5 is about the perfect whitetail gun.

I’ve got:

12.5 Proof Carbon Fiber
2.5-10 Leupold

13.9 Craddock
1-6 Accupoint

16 Lilja
2.5-10 Credo

18” JP
2.5-10 Credo

18” Noveske
2.5-15 Credo

20” Proof carbon fiber
4-16 Credo

20” Proof SS
3-18 Meopta

All are more geared towards hunting. I’ve got several 6arcs too but they’re more geared towards range while still being compact. Obviously either can do both.
Today 4:48:48 PM EDT
[#14]
Quote History
Originally Posted By Network_Daddy:
I've got a 20" so can't help you.  123gr ELD seem to shoot well from it.
View Quote


Can confirm!

Threw the first shot, recovered afterwards.
Attached File
Today 4:49:29 PM EDT
[#15]
Quote History
Originally Posted By Digger440:



12.5 is the best trade off length.

Unfortunately, mid-tier short barrels are hard to find at the moment.

https://www.ar15.com/forums/ar-15/Mid-priced-short-6-5-Grendel-barrels-unobtanium-right-now-/121-794373/
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By Digger440:
Originally Posted By SaltySourdough:
12.5”

Originally Posted By m1awolf:


Came to post this,my 12.5 shoots great.


12.5 is the best trade off length.

Unfortunately, mid-tier short barrels are hard to find at the moment.

https://www.ar15.com/forums/ar-15/Mid-priced-short-6-5-Grendel-barrels-unobtanium-right-now-/121-794373/

I’m so fortunate to have snagged my 12.5 proof carbon fiber for 299. It’s a very nice barrel for its weight. And with the right ammo it’ll absolutely frag a 123gr out to 300 or so and buck the wind pretty good too.
Today 4:56:17 PM EDT
[#16]
12-12.5"'s are the answer with 6.5G
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Today 4:59:04 PM EDT
[#17]
12" - 13.9"


& there are (2) 12" in EE now  
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Today 6:52:21 PM EDT
[#18]
I really enjoy my 12.5 Grendel.
I try for high shoulder shots and it drops them every time.
I'm using up my SST ammo then probably switch to ELD.
Here's some damage from one.

Click To View Spoiler
Today 7:06:22 PM EDT
[#19]
12.5" Grendel is a great rifle.
Today 7:11:38 PM EDT
[#20]
If i wasn't so heavily invested in 6.8SPC, I'd definitely build a 12.5" 6.5 Grendel with a 1-6×.
Stuff I learned from A-Team: 1)Always pity da fool 2)Carry wire cutters (you may need to defuse a bomb or start a car) 3)Never trust a crazy fool 4)Carry grenade launcher/machine guns in the van 5)Know how to weld 6)Love It When A Plan Comes Together
Today 7:12:58 PM EDT
[Last Edit: 3one5][Edited] [#21]
For those taking deer with the 12.5", what would you consider your effective range?  I'm seriously tempted to build another Grendel off the IC receiver set I have sitting around.  However, I'd like to take Colorado black bear with it and am thinking the 14.5" would give me an edge.

Today 7:40:54 PM EDT
[#22]
Quote History
Originally Posted By Jason280:
If i wasn't so heavily invested in 6.8SPC, I'd definitely build a 12.5" 6.5 Grendel with a 1-6×.
View Quote

Same here.
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Today 7:59:32 PM EDT
[#23]
Quote History
Originally Posted By 3one5:
For those taking deer with the 12.5", what would you consider your effective range?  I'm seriously tempted to build another Grendel off the IC receiver set I have sitting around.  However, I'd like to take Colorado black bear with it and am thinking the 14.5" would give me an edge.

View Quote

Based on chrono and atmospheric data relative to me, my 12.5 will frag reliably to 340m. I use it as a woods gun where it won’t go over 100, and if I planned on going over 1000 I’d use something else, but that’s because I have a lot of rifles. Plus I enjoy having more capability than I’ll need.
Today 8:01:49 PM EDT
[#24]
I have an 18” and love it.

I also built a 12.5” and I like it but I haven’t shot it yet.
Not fly enough to be halal....
Today 8:03:26 PM EDT
[Last Edit: TxRabbitBane][Edited] [#25]
Quote History
Originally Posted By 3one5:
For those taking deer with the 12.5", what would you consider your effective range?  I'm seriously tempted to build another Grendel off the IC receiver set I have sitting around.  However, I'd like to take Colorado black bear with it and am thinking the 14.5" would give me an edge.

View Quote

I’m not taking any deer anywhere but the freezer, but I’d be perfectly comfortable killing one inside 250y with either of mine.  In truth I kill most of my deer at 100y or less if I can.
Not fly enough to be halal....
Today 8:09:54 PM EDT
[#26]
12.5. I’ve built two like that. Wish faxon would make another run of gunner barrels that one shoots pretty good. My psa barreled one is certainly minute of hog though so no worries there.
Today 8:10:53 PM EDT
[#27]
6.5 grendel is popular enough that someone should offer NAS3 cases for it . If they can do 6arc , they can do this.

Also would go well with 12.5" bbl .


Throw in some AerMet100 bolts for good measure .

Oh , and magpul needs some lower cap polymers for the icar too . In Sand ...for dying .

Today 8:14:34 PM EDT
[#28]
I like my 12". It makes for a good Thermal host.

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I don't see no Americans. I see trespassers.
Today 8:14:52 PM EDT
[#29]
What bullet weight do you plan on using the most? That might have some bearing on what's optimal.
Today 8:23:05 PM EDT
[#30]
12.5”



Still throwing 123s at 2350fps



"Penetration , however slight, is sufficient to complete the offense" -UCMJ ART. 125
Today 8:37:39 PM EDT
[#31]
My 12.5 was a DRT on a large doe using the 123SST's. I suppose it would be similar with a turd burglar.
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Today 9:04:11 PM EDT
[#32]
Quote History
Originally Posted By 3one5:
For those taking deer with the 12.5", what would you consider your effective range?  I'm seriously tempted to build another Grendel off the IC receiver set I have sitting around.  However, I'd like to take Colorado black bear with it and am thinking the 14.5" would give me an edge.

View Quote


Depends on what you are comfortable with, 2350fps (31.5gr CFE223)with 123gr SSTs would look similar to this.

"Penetration , however slight, is sufficient to complete the offense" -UCMJ ART. 125
Today 9:08:12 PM EDT
[Last Edit: 20andOUT][Edited] [#33]
Quote History
Originally Posted By TxRabbitBane:
I have an 18” and love it.

I also built a 12.5” and I like it but I haven’t shot it yet.
View Quote


Same pair I have an 18” Larue and a 12.5” built on a proof barrel.

The 18” is probably my favorite because it can ring steel like this at 1k.  I haven’t had the 12.5” past 600yds yet.

"Penetration , however slight, is sufficient to complete the offense" -UCMJ ART. 125
Today 9:40:56 PM EDT
[#34]
Originally Posted By Grizz272:
What would be a good short barrel length got the 6.5 Grendel?
I have the ammo, I have a completed lower, So I am not interested in a new caliber.
View Quote


shoot what?

Home defense?  

Hunting?  

what you want to shoot has a great input as to barrel length.
Today 10:12:54 PM EDT
[#35]
Quote History
Originally Posted By SaltySourdough:
12.5”
View Quote

Today 10:50:12 PM EDT
[Last Edit: depleted_yourcranium][Edited] [#36]
I built an 8 inch once just to see how short I could go. The 12 inch range seems to be the optimal configuration and balance.

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