Does anyone have data on velocity of the 6.5 Creedmore or 6.5 x 47mm in an AR length barrel?

16, 18, or 20 inches.

I am thinking of having a DPMS AR made up with something other than the 24 inch tube.

Thanks.

Andy

Doesnt seem like there are any 6.5 shooters here. Can anyone suggest a website that has some tactical 6.5 shooters?

Thanks, Andy

Just saw your thread Andy.

I, along with a bunch of my friends, shoot the 6.5 Creedmoor. Although I can't comment on the velocities that can be achieved in an AR barrel, I can tell you what most of us get in our 26" barreled precision rifles.






Most guys are loading around 42.5 grains of H4350 with the 139 gr Scenar and getting around 2750 to 2800. I'm loading 43.5 grains of W760 and getting 2850. I have chrono'd it while working up at over 3000 with the W760 and RL17.

I'll be giving Hodgdon Hybrid 100V a try when it gets rebarreled. The website shows loads with this powder 100fps faster than any other, so I'm guessing it's like RL17.

I seem to be getting the same or slightly higher velocities than the guys shooting the .260 Rem. I think either of these will leave the 6.5X47 in the dust velocity-wise.

In an 18" barrel, you'll probably lose 300 fps.

http://demigodllc.com/articles...7-6.5-creedmoor/?p=1

I shoot a 6.5 Grendel myself so, I can't help you much. Any of the 6.5mm bolt action rounds are good choices for most people. Swede, Creedmore, Lapua ... I'd be happy with any of them. YMMV

RC, Thank you very much for load data. Are you using Hornady brass?

I see you are using a McMillan stock, but who adapted your action to the ten round magazine? Is that a Remington action???

Robar in Phoenix makes a nice ten round adaptation for the savage and Ruger I think. My brother has a scout/Savage magazine rifle they made.

Nice looking outfit.

On paper I see that the 6.5 has less than 10 foot pounds of recoil in a 9 pound rifle, compared to 12.5-14 with a 762. I see you are using a very serious looking 4 chamber brake. How would you compare recoil and follow on shots compared to a 762? Does the bipod change point of impact from supported or prone with that very efficient muzzle brake?

I would be careful with WW760. I used it in several 375 h and h loads with light bullets (250 and 270 grain) where it gave great velocity but if you changed one component, like primer, bullet, or brass it would give you some nasty surprises. But it did have 100 fps over anything else I was using.

Sid, what barrel length are you using in the Grendel? Gas gun or bolt? Have you chronographed it? The 123 Hornady looks tailor made for the Grendel.

Thanks guys!

Andy

Hornady brass

The rifle was built by Charley Robertson at Score High Gunsmithing. He built the first Creedmoor ever made for a Hornady sponsored shooter with the original reamer supplied by Hornady. Go to his site and there is a 6.5 Creedmoor page.

The rifle has AI magazines 5 round and 10 round. Badger bolt knob.

The recoil is insignificant. Bullet impacts and trace can be observed with ease. It's a great brake he makes.

POI always changes between bipod on prone or on the bench to removing the bipod and shooting off of a bag.

RC,

What does your rifle weigh with scope and magazine? Include bipod if that's easier?

I see from Charleys website that alot of his rifles are in the 11-11.5 lb range.

Do you feel like you have an advantage over the 175 grain 308 at all ranges in a tactical match? With less recoil Id think youd smoke them at short and medium range and your come ups and windage would get them at long range.

In your circle of freinds and competitors, does anyone shoot a gas gun?

Andy

PS Have any of you guys tried a Sako extractor on your Mod 700 bolts?

I have a Sako extractor on one of my Rem. 700's, works fine.

quote:

Originally posted by Andy:
RC,

What does your rifle weigh with scope and magazine? Include bipod if that's easier?

I see from Charleys website that alot of his rifles are in the 11-11.5 lb range.

Do you feel like you have an advantage over the 175 grain 308 at all ranges in a tactical match? With less recoil Id think youd smoke them at short and medium range and your come ups and windage would get them at long range.

In your circle of freinds and competitors, does anyone shoot a gas gun?

Andy

PS Have any of you guys tried a Sako extractor on your Mod 700 bolts?

My rifle weighs the same as you see there. I'm building another Creedmoor on a McMillan Remington varmint stock for an all around shooter and hunting rifle.

It's a great round and yes, it has the advantage over anything a .308 can shoot. I'm shooting the 139 gr Lapua Scenar with a BC of .615. No recoil to speak of.

My extractor is factory. I did have a 300 WM with a Sako extractor on a model 721 that worked well.

Update:

Shot an Audette at 600 yards with the new barrel for development. With 43 grains of W760 I'm getting 2900.

Tried some Hybrid 100V that was touted on the Hodgdon site as having about 100 ft/sec more velocity than all the rest but it was disappointing. The accuracy node only had 2750 fps.

I'm going to try to tune the 760 load. If I can't, I'll do what everyone else does and go with the H4350

RC,

I am probably ignorant, but what is an "Audette?"

Think there is a hockey player by that name.

2900 fps is good!

Andy

Andy, not exactly what you asked, but I get around 2900 with a 120gr NBT out of a 20" barreled 260rem. Load is around 43gr Re17 in Lapua 243 brass.

Barrel is a match Lothar Walther with a very tight chamber.

The Creedmore and the x47L should come close to that in a 20" tube.

A Creedmore will give you a little less velocity than a 260 Rem... and there is enough data floating around on that round in an AR platform...

quote:

Originally posted by seafire/B17G:
A Creedmore will give you a little less velocity than a 260 Rem... and there is enough data floating around on that round in an AR platform...

Sorry,

I've loaded RL-17, W-760 and both give more velocity than any of my competitor buddies who shoot the 139 or 140 in their .260's.

I know that the .260 has a slightly higher case capacity so maybe it's just their choice in powder. Most guys use H4350.

The 760 has given me the best velocity of the powders I've tried.

quote:

Originally posted by rcamuglia:

quote:

Originally posted by seafire/B17G:
A Creedmore will give you a little less velocity than a 260 Rem... and there is enough data floating around on that round in an AR platform...

Sorry,

I've loaded RL-17, W-760 and both give more velocity than any of my competitor buddies who shoot the 139 or 140 in their .260's.

I know that the .260 has a slightly higher case capacity so maybe it's just their choice in powder. Most guys use H4350.

The 760 has given me the best velocity of the powders I've tried.

RC, Exactly, it is their choice of powder and the pressure range they are loading too. There is no way a lower capacity cartridge is going to beat one of the same caliber that holds more powder WHEN BOTH ARE LOADED TO THE SAME PRESSURE RANGE.

To answer the posters question I'd get the 260 Rem in the DPMS AR. The ammo is cheaper and you can reload it even cheaper by using 308 brass of any flavor, that includes military too which is damn good brass. The 260 has more body taper then the Creedmoor and will feed a tad better in an AR also.

I like the Creedmore because it allows use of a more streamlined ogive than w the 260. Most bullets are seated to the bottom of the neck or no farther than the shoulder. So the actual useable case capacity is very similar (I think). As a "gamesman" I dont necesarily want to use alot of powder and have the extra recoil that comes with it. The only problem w the 6.5 is its preference for long barrels. The DPMS is 22 inches HB, and since I am not very tall, wanted something a little closer to a carbine. (I already have an SR25). I really wish there was someting between a 6.5 Grendel and the Creedmore or Lapua. AS Claret said, I might have to drop down to a 120 or 123 grain. Thanks for all your input!

Andy

YOu might consider a 6x45. I know it's not a 6.5 but it's a solid perform, will work with a short barrel like 18 inches, and it can be had on the AR 15 platform which will make it shorter and lighter then an AR 10.

Just finished load development on the new Brux Stainless 8 twist 26" barrel on my Creedmoor.

42.6 grains of H-4350 with a WLR primer results in a 139 grain Lapua Scenar seated at .015" off of the rifling leaving the perfectly crowned muzzle at around 2900 fps...

RC, isnt that 100-150 fps more than you would expect with H4350?

I see you are a happy man!

Andy