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View Full Version : Any one playing around with the 6.5 cartridges in their AR?



mustangfreek
12 May 2014, 00:46
Anyone?

I am intrigued in by the numbers and such the 6.5's put out , Whether it be the grendel or creedmoor.

I have wanted to do a build in a 6.5 creedmoor, for when i really want to reach out and touch something..lol..My old man has a 6.5x .284 bolt action that is a laser beam and dime sized groups out at 300 so far...

Fast and carry their speed for a while.

So anyone playing with 6.5's? Maybe a list of needs and such and what barrels, mags, etc you used and how it shoots etc. factory or handloads.... As i would be hand loading for either.

GOST
13 May 2014, 05:10
I had considered a 6.5 grendel. I have heard that it's still supersonic at 1000 yards, which is better than a AR-10.

UWone77
13 May 2014, 07:58
I've been meaning to build up a 6.5 Grendel. I have a Black Hole Weaponry 16" barrel and a bolt, but so far the project has been on the back burner. Not a lot of opportunity to stretch her legs on a proper range for distance.

Here's a chart I copied from 65grendel.com

20" Barrel from 65grendel.com

Bullet Muzzle 100meters 200meters 500meters
108gr 2700 2502 2312 1793
123gr 2600 2427 2261 1803
144gr 2450 2296 2147 1736

Computalotapus
13 May 2014, 08:20
I have thought about it and the Alexander Arms rifle is what really got me back into wanting an AR. The more I think about it the more the 308 works for me as an all purpose long range/hunting rifle. Doesn't mean I don't want a 6.5 just means that build is a good ways down the road for me.

mustangfreek
13 May 2014, 08:26
All good info. I have always been interested in building something different then the "normal AR calibers"... and the grendel and even more the creedmoor have some very good numbers especially to reach out there..Which is what i will do or get another bolt gun..

Computalotapus
13 May 2014, 08:39
All good info. I have always been interested in building something different then the "normal AR calibers"... and the grendel and even more the creedmoor have some very good numbers especially to reach out there..Which is what i will do or get another bolt gun..




If you don't want a bolt gun.. And you want a big boy round...Nemo Arms has a 300 Win. Mag that looks very awesome.

mustangfreek
13 May 2014, 11:07
Thanks, but the 6.5 round is where my mind is at, one day it will happen.

But .300 win mag in a bolt gun setup right is a helluva shooter also.. Im thinking AR platform.

Does any one do 6.5 creedmoor or .260 rem barrels?

Computalotapus
13 May 2014, 11:24
Thanks, but the 6.5 round is where my mind is at, one day it will happen.

But .300 win mag in a bolt gun setup right is a helluva shooter also.. Im thinking AR platform.

Does any one do 6.5 creedmoor or .260 rem barrels?


JUst clarifying the Nemo Arms is not a bolt gun...it is an AR platform 300 Win. Mag

mustangfreek
14 May 2014, 00:45
Got ya, ya i googled it just now..

Joeyk
15 September 2014, 20:58
I bought LMT MWS .308 to use with their 6.5 CM offering barrel.

Haven't shot the 6.5CM yet as I am waiting for some free time to go to range...
but the 308 barrel I have which is 16" SS barrel is pretty accurate. More so than I thought it would from a gas gun.
I'm shooting FGMM 175 's out of it.

The 6.5CM I will use hornady 140 gr A-max match rounds.

Will update after I get back from the range.

Most of my shooting will stay under 1000 yards.

mustangfreek
16 September 2014, 02:48
I bought LMT MWS .308 to use with their 6.5 CM offering barrel.

Haven't shot the 6.5CM yet as I am waiting for some free time to go to range...
but the 308 barrel I have which is 16" SS barrel is pretty accurate. More so than I thought it would from a gas gun.
I'm shooting FGMM 175 's out of it.

The 6.5CM I will use hornady 140 gr A-max match rounds.

Will update after I get back from the range.

Most of my shooting will stay under 1000 yards.

Welcome...and thanks for reviving this...lol...a 6.5/.260 still in the back of my mind

Please do stick around and let us know how the 6.5 shoots for you..

acirema
21 September 2014, 18:29
Just built AR in 260 Remington. Currently running 22" JP Super match barrel 1:8 twist. I have a 24" Kreiger barrel on order, but it won't be delivered until March 2015. No factory match ammo available, so I've been reloading for it. So far have used 123gn Nosler and 142gn SMK'S, Lapua brass and H4831. Still looking for a load it likes, as accuracy has not matched my AR 308, using Federal 168gn match. Range from 100-300yds. It is a much smoother shooting platform compared to the 308. I hope to get both rifles out to 1000yds next April at Quantico.

WHSmithIV
21 September 2014, 20:02
I intend to build one in 6.5 Grendel for sure. I'm very impressed with the ballistics curve of the round. At 500 yards it passes a .308 bullet in flight. Its accurate designed range is 800 yards. Yep, I want one.

FortTom
21 September 2014, 21:44
If you don't want a bolt gun.. And you want a big boy round...Nemo Arms has a 300 Win. Mag that looks very awesome.
That's interesting. Back in my serious hunting days the .300 Win Mag was my favorite go to rifle for deer/boar and up sized game. Later, that cal. was replaced with the 300 Wby Mag. That's what caught my attention in an article I was reading, just the other day, that the S.E.A.L's were using the .300 Win Mag. I'm assuming this is for a long range gun, but I'd also heard that SOCOM units were also using .300 Lapua for some long range tag games. I'm surprised that belted cartridges would be reliable, rapid fire, out of a magazine. Learn something everyday, I guess.

Lolife
22 September 2014, 12:10
I'll be in the market for a 6.5 Grendel upper build right after I get the ball rolling on a 7.62 Saker...... The whole idea of having a powerful, accurate chambering to reload is right up my alley.

mustangfreek
27 September 2014, 04:38
Ahhh...Was just looking at 6.5 grendel parts the other day..then someone bumps this..lol


Just built AR in 260 Remington. Currently running 22" JP Super match barrel 1:8 twist. I have a 24" Kreiger barrel on order, but it won't be delivered until March 2015. No factory match ammo available, so I've been reloading for it. So far have used 123gn Nosler and 142gn SMK'S, Lapua brass and H4831. Still looking for a load it likes, as accuracy has not matched my AR 308, using Federal 168gn match. Range from 100-300yds. It is a much smoother shooting platform compared to the 308. I hope to get both rifles out to 1000yds next April at Quantico.

Nice sounding setup, the 260 has been on my radar as well..


I intend to build one in 6.5 Grendel for sure. I'm very impressed with the ballistics curve of the round. At 500 yards it passes a .308 bullet in flight. Its accurate designed range is 800 yards. Yep, I want one.

Im still game as well for a AR grendel build...someday...Probably start out with a upper...Yes they have a very good BC and are still supersonic at around 1200 yards...Very accurate little bullet...I am very intrigued and im about due for another caliber...all my other AR's are the std 556/223 wylde stuff....

I have been eye'ing the satern barrel and bolt combos..

Zagmp03
2 October 2014, 10:34
Mustang, have you shot one before? I, like you, have been looking at this for when I get home, as an intermediate cartridge - even though it's not necessarily intermediate in price between 5.56 and .308.

mustangfreek
2 October 2014, 10:38
Shot a grendel, not per say, shot the old mans 6.5 x .284 bolt action...

Little more recoil can be expected..case capacity is up around 30 grains...using a larger case then 223..thus the need for its own bolt...much like a 762x39 bolt it seems like..its close but not the same..

I Also have looked at the 260 as a option also, for a big boy build..lol... I reload so ammo is not a problem/worry per say...

yellowfin
2 October 2014, 10:57
I've gotta get to it sooner or later, as I bought 300 6.5 bullets on clearance last year in anticipation of having something to feed them to.

JoshAston
2 October 2014, 11:56
I was planning on going with a 6.5G several years ago. Found out about the 6BRX from AR15 Performance and went with that instead. With a 22" barrel I'm getting right at 3,000 fps with 105gr Berger VLDs.

Ryo
3 October 2014, 19:34
It's not a 6.5, but a buddy of mine had a 6mm AR built up. He uses it in competitions and it sounded like it worked out very good.

Zagmp03
7 October 2014, 04:41
Well, I took the first step towards a 6.5G and bought a upper receiver (Aero Precision) and a 13" forearm (Parallax FFSSR)...now I'm looking at barrel and bolt combos, which is really the expensive stuff. I'm looking at the Brownell's 18" as a starter, anyone have any experience? I have read pretty good reviews about them for the price - I'm just not ready to commit $500+ for a round that I'm not sure I'm committed to. I started with the UR and forearm because I turn that into almost anything AR15 related....

I do like everything I'm reading about the 6.5G, except for finding brass to reload.

Joeyk
7 October 2014, 05:07
Been lazy and havent shot the 6.5creed yet...
Most likely will go shoot it within a month or two since the weather is nice now.

Farva
22 October 2014, 20:52
I have a 6.5 Grendel with an 18" Alexander Arms barrel. Its a smooth shooter. I havent had a chance to really test it out and better myself as a distance shooter. Ive only put about 200 rounds of Hornady factory ammo through it. Max distance was about 300 yards, but thats my limitations as of right now. Its capable of reaching out to 1k with the right person pulling the trigger. I love the 6.5 but man the ammo is not cheap by any means. With the Grendel being SAMMI spec now I would hope the price comes down some.

RaceBannon42
23 October 2014, 07:41
I've got Atomic Tactical building me a Mega Arms AR in 6.5 Grendel. I went with that 18" Brownell's barrel. It was too attractive a price point at under $300 including the bolt. From some of the reading I've done they get them from Liberty/Satern, so I'm hoping its decent quality. I'm getting antsy to get it and get out and shoot it.

Kopis
30 October 2014, 08:25
6.5grendel.com has a lot of good info. The grendel can give you close to what a 308 ar10 does but in the ar15 size lower is my understanding? Plus it has better long range ballistics.

WHSmithIV
30 October 2014, 08:48
I very much intend to build a specific 6.5 Grendel rifle for 1 mile shooting. I did it with my .303 Lee Enfield with its iron sights on a 1ftx3ft target. I most certainly can do it with a 6.5 cartridge. I simply hate the cost of the ammo though.

Kopis
30 October 2014, 09:27
^ yeah, i think there will be some more commercial options in the next few years but I'd probably reload for the grendel.

saburkha
12 November 2014, 18:45
I have a 6.5 Grendel with a 20" Proof Research barrel. Fantastic shooter and I hope to take a whitetail this year with it. I love reloading, so it was right up my alley. It loves the 100gr as well as 123 gr AMAX. I've also shot some 120gr hollow points. I run it with a Specwar 7.62.

caporider
13 November 2014, 08:47
The Brownells 18" 6.5 Grendel barrel is a shooter. Using factory Hornady 123gr SST loads I can consistently get 0.75MOA 5 round groups at 100 yards.

mustangfreek
8 January 2015, 04:13
I might be late to the party, but just noticed Rainier Arms is now carrying 6.5 creedmoor barrels in fluted and non fluted, the fluted is about a pound lighter..

http://www.rainierarms.com/rainier-arms-ultramatch-6-5-creedmoor-barrel-24


Stainless Steel Match Grade Shilen Blank
Length: 24"
Twist: 1:8
Gas Block Seat: .936 Diameter
Thread Pitch: 5/8X24
6.5 Creedmoor Rainier Match Chamber
Rifle Gas System
Ratchet 4 groove
M4 Feed Ramps
Proprietary Contour
Bead Blasted Finish
Weight: 4 lbs 5.8 oz

http://pull01.rainier.netdna-cdn.com/media/catalog/product/cache/1/image/650x650/99043cc1cf05a75bc1697c6b119a2899/6/_/6.5-creedmoor-um-24-fluted-b.jpg


http://pull01.rainier.netdna-cdn.com/media/catalog/product/cache/1/image/650x650/99043cc1cf05a75bc1697c6b119a2899/6/_/6.5-creedmoor-um-24-c.jpg

mustangfreek
9 January 2015, 02:16
Forgot to say, i wonder if they will offering 18 or 20" barrel versions of these

mustangfreek
27 April 2016, 02:24
Bump

As I have seen quite a few new 6.5 builds lately

Details, pics.....

Joelski
27 April 2016, 04:02
Does the Creedmoor mate to a .308, or .223 lower? I have a friend who has been a lifelong hunter and reloader who sees this caliber as his worthwhile step into hunting ARs. He's a staunch bolt gun hunter, but likes ARs for pleasure shooting. I'd like to help him "see the light" with respect to precision ARs.

LHTwist
27 April 2016, 04:45
Anyone?

I am intrigued in by the numbers and such the 6.5's put out , Whether it be the grendel or creedmoor.

I have wanted to do a build in a 6.5 creedmoor, for when i really want to reach out and touch something..lol..My old man has a 6.5x .284 bolt action that is a laser beam and dime sized groups out at 300 so far...

Fast and carry their speed for a while.

So anyone playing with 6.5's? Maybe a list of needs and such and what barrels, mags, etc you used and how it shoots etc. factory or handloads.... As i would be hand loading for either.
Yup, built an AR-10 in 260 REM for exactly the reasons you've mentioned, long range BC. But that gun turned out to be a12lb+ beast that didn't lend itself to any sort of stalking type of hunting. It's mostly a bench gun that I hope to take to at leat 800yd, all the room I have at home.
So I built a 6.5 Grendel to get the same ballistics in a lighter platform. I'm now amazed at the long range capabilities of the Grendel, planning to see how far it will go.
6.5 is now my favorite!

Sent from my SM-G900R4 using Tapatalk

SINNER
27 April 2016, 21:04
I have a few of the 6.5's. I am really seeing the potential of this round. Not exaggerating the recoil impulse is almost nothing and 2000+ FPS at 500 yards is hard to debate.

1056

Mega Maten with 26" Rainier Arms Ultra match barrel
Rainier BCG
Geissele super SGA trigger

1057

Aero M5E1
20" Ballistic Advantage barrel
Aero BCG
Geiselle SSA-E trigger in it now that it's finished

mustangfreek
28 April 2016, 00:35
Very Nice ......,I approve... lol

Ya I still want to build something 308 based either 308 .6.5, 260, etc

BoilerUp
1 May 2016, 21:07
Does the Creedmoor mate to a .308, or .223 lower? I have a friend who has been a lifelong hunter and reloader who sees this caliber as his worthwhile step into hunting ARs. He's a staunch bolt gun hunter, but likes ARs for pleasure shooting. I'd like to help him "see the light" with respect to precision ARs.

Creedmoor is for "large frame" (AR10) and Grendel is for "small frame" (AR15). For hunting, I'd recommend that your friend looking into the 6.8 SPC. It's essentially a "270 short" and works out of the standard AR15 platform. New barrel, bolt, and mags.

alamo5000
2 May 2016, 11:55
Geez man... I read this kind of thread in a moment of weakness... LOL

On one hand I want to keep my builds all bread and butter calibers so that I can stock just those calibers of ammo....

But on the other hand I would be so tempted to try some of these other calibers... especially ones where I can just build new uppers...

Dstrbdmedic167
2 May 2016, 13:32
Creedmoor is for "large frame" (AR10) and Grendel is for "small frame" (AR15). For hunting, I'd recommend that your friend looking into the 6.8 SPC. It's essentially a "270 short" and works out of the standard AR15 platform. New barrel, bolt, and mags.

I went with 6.8 for a while. When the wlv came around I loved the fact it used the same mags and bolt for 5.56 and still got 90% of the performance of the 6.8. I just like the 277 bullets better.

yellowfin
23 April 2017, 17:32
I'm seriously considering the 6.5CM as my next rifle after shooting one a couple of weeks ago. Can anyone tell me much about the accuracy of the PWS MK2 in 6.5 vs some of the others in its price range such as GAP and LaRue?