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 Post subject: 6.5 grendel load info
New postPosted: August 11th, 2017, 9:18 am 
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Would any one care to share some load info, I would like some info on a .264 123g hornady ELDX with hornady new brass load for the 6.5 grendel, I will be shooting it out of a 20" 1:8 twist barrel on a Ar platform. Just looking for powder and primer recommendation and a good start load thanks


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 Post subject: Re: 6.5 grendel load info
New postPosted: August 11th, 2017, 10:58 am 
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Been mostly shooting purchased ammo to build a brass stockpile but I have a few loads prepp'd for when it gets cooler out. The one I have had a chance to shoot was 27.0gr ARcomp using a 123gr Amax projectile in Hornady once fired brass, 2.23 OAL. This was thru my Radical Firearms 22" AR upper . Haven't had a chance to chrono it yet but was happy with the accuracy (I called both fliers).

Have some 27.7gr loads on deck using ARcomp and some BL-C2 powder to try out under some 100gr Hornady SST projectiles (29-31gr @ 2.26 OAL).

Primers used are the cheap S&B small rifle versions from Cabelas.


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 Post subject: Re: 6.5 grendel load info
New postPosted: August 11th, 2017, 6:58 pm 
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The Amax bullet is a good one to go with. Other powders to consider include the usual AR-types:

- H4895
- Varget
- RL15

I don't shoot 6.5 Grendel but have given it some serious thought for a spacegun. It's either that or 6.5 Creedmoor though some of the 6mm variants look good.

Here's a good starting link:

http://www.6mmbr.com/65grendel.html


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 Post subject: Re: 6.5 grendel load info
New postPosted: August 13th, 2017, 8:25 am 
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Thanks guys for the info I will head over to cabelas and see what powder is available


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 Post subject: Re: 6.5 grendel load info
New postPosted: September 9th, 2017, 11:22 am 
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Finally got to chrono some of my loads, 95 yds, 1 shot every 10 seconds to keep LabRadar chrony going. Rifle is a DD AR15 lower w/ Radical Firearms 24" Upper shot from a rest.

Upper left 123gr AMax 27gr AR-Comp 2.23, 2566fps
Lower left 100gr AMax 27.5gr AR-Comp 2.23, 2742fps
Middle 100gr AMax 28gr AR-Comp 2.23, 2776fps
Upper Right Wolf Steel Case 100gr FMJ, 2824fps
Lower Right same as 1st load above


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 Post subject: Re: 6.5 grendel load info
New postPosted: September 11th, 2017, 3:14 pm 
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Azrockcrawler wrote:
Finally got to chrono some of my loads, 95 yds, 1 shot every 10 seconds to keep LabRadar chrony going. Rifle is a DD AR15 lower w/ Radical Firearms 24" Upper shot from a rest.

Upper left 123gr AMax 27gr AR-Comp 2.23, 2566fps
Lower left 100gr AMax 27.5gr AR-Comp 2.23, 2742fps
Middle 100gr AMax 28gr AR-Comp 2.23, 2776fps
Upper Right Wolf Steel Case 100gr FMJ, 2824fps
Lower Right same as 1st load above


So far what load is to your liking


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 Post subject: Re: 6.5 grendel load info
New postPosted: September 12th, 2017, 6:41 am 
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HAC wrote:
Azrockcrawler wrote:
Finally got to chrono some of my loads, 95 yds, 1 shot every 10 seconds to keep LabRadar chrony going. Rifle is a DD AR15 lower w/ Radical Firearms 24" Upper shot from a rest.

Upper left 123gr AMax 27gr AR-Comp 2.23, 2566fps
Lower left 100gr AMax 27.5gr AR-Comp 2.23, 2742fps
Middle 100gr AMax 28gr AR-Comp 2.23, 2776fps
Upper Right Wolf Steel Case 100gr FMJ, 2824fps
Lower Right same as 1st load above


So far what load is to your liking


So the goal for last weekend was to get velocity numbers on what I had built so far so I could plug them into Strelock (ballistic calculator app). I am working towards two loads, first is a lighter projectile for shooting between 100-300yds w/ no wind. The 100gr projectiles are also roughly .10 cheaper per than the 123's so the light load will also be easier on the wallet. Second load I am looking for is a heavier projectile load (123gr in this case) for 300+ yds w/wind or shorter ranges w/ wind.

The 27gr AR-Comp over a Hornady 123gr Amax is almost a 1 hole load at 100 yards in my semi-auto so that is my load to test at 300yds next weekend. I am pretty confident it is dialed so I just need to do my part. Time to get out the bipod and shooting mat.

The lighter load is still up in the air. Was shooting to get velocities last weekend so I was not taking my time (I was also shooting from a plastic table). The two 100gr loads I worked up look pretty good and are approximately the same group size as my reference 123gr load when shooting quickly. Next step is to shoot them prone w/ bipod and shooting mat. From what I have read, AR-Comp is not the best for lighter projectiles so I still have some 8208 loads I want to chrono. A lot of people claim a 29.7gr load is their go to for 100gr projectiles. Will be testing some of those this weekend.


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 Post subject: Re: 6.5 grendel load info
New postPosted: September 17th, 2017, 11:30 am 
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Azrockcrawler wrote:
HAC wrote:
Azrockcrawler wrote:
Finally got to chrono some of my loads, 95 yds, 1 shot every 10 seconds to keep LabRadar chrony going. Rifle is a DD AR15 lower w/ Radical Firearms 24" Upper shot from a rest.

Upper left 123gr AMax 27gr AR-Comp 2.23, 2566fps
Lower left 100gr AMax 27.5gr AR-Comp 2.23, 2742fps
Middle 100gr AMax 28gr AR-Comp 2.23, 2776fps
Upper Right Wolf Steel Case 100gr FMJ, 2824fps
Lower Right same as 1st load above


So far what load is to your liking


So the goal for last weekend was to get velocity numbers on what I had built so far so I could plug them into Strelock (ballistic calculator app). I am working towards two loads, first is a lighter projectile for shooting between 100-300yds w/ no wind. The 100gr projectiles are also roughly .10 cheaper per than the 123's so the light load will also be easier on the wallet. Second load I am looking for is a heavier projectile load (123gr in this case) for 300+ yds w/wind or shorter ranges w/ wind.

The 27gr AR-Comp over a Hornady 123gr Amax is almost a 1 hole load at 100 yards in my semi-auto so that is my load to test at 300yds next weekend. I am pretty confident it is dialed so I just need to do my part. Time to get out the bipod and shooting mat.

The lighter load is still up in the air. Was shooting to get velocities last weekend so I was not taking my time (I was also shooting from a plastic table). The two 100gr loads I worked up look pretty good and are approximately the same group size as my reference 123gr load when shooting quickly. Next step is to shoot them prone w/ bipod and shooting mat. From what I have read, AR-Comp is not the best for lighter projectiles so I still have some 8208 loads I want to chrono. A lot of people claim a 29.7gr load is their go to for 100gr projectiles. Will be testing some of those this weekend.


Hmmmm... I guess if you shot enough at one target you might end up with "almost one hole"... a couple inches in diameter.


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 Post subject: Re: 6.5 grendel load info
New postPosted: September 18th, 2017, 6:41 am 
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Had a good outing last weekend for the most part.

The bad - Discovered the 100gr Amax projectiles have a different ogive than the 123gr Amax projects so the new loads I came up with using 8208 were jamming the projectile into the grooves and not allowing the gun to go into battery. My fault for not checking the rounds first but I assumed they would work with the same OAL that the ARcomp loads did. Now I am wondering if the ARcomp loads were pushing the projectile back when chambering as they did not give me feeding issues (perhaps ARcomp is more compressible than 8208). When I got home I marked some of the 100gr Amax loads with a sharpie before chambering them by hand. After some testing it looks like I need to knock the OAL down to around 2.15 before they will pass a plunk test so I will have to work up the powder load again.

The good - We plugged all the chronograph data I gathered from the previous weekend into Strelock for both my 6.5 Grendel and my sons 308 rifle (zeroed both at 100yds). We both made direct hits at 250yds on the first try. Since my 100gr loads were not chambering I fired off a few 123gr loads I had then started using wolf steel cased FMJ's. The 123gr loads allowed for easy hits on the 3" mini gong. The wolf ammo was definitely less accurate but still pretty easy to hit the 12" gong at 250 yards with an occasional hit on the center mini gong.

Time to move the targets out to 400 :D


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 Post subject: Re: 6.5 grendel load info
New postPosted: November 28th, 2017, 4:02 pm 
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Great brass source - Hornady brass cased 123gr BTHP on sale now at Sportmen's Warehouse - 109.99/200rnds in a plastic ammo can. Had at least 8 cans of it at the I-17 and 101 location. From what I have read on the 65 Grendel forum this stuff is pretty accurate.


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 Post subject: Re: 6.5 grendel load info
New postPosted: December 2nd, 2017, 12:28 pm 
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I hope you don't mind me asking a question here about loading Grendel for AR. I'm looking at getting a Grendel upper, and I do reloading. Do you crimp your hand loads? Just wondering if it's necessary.


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 Post subject: Re: 6.5 grendel load info
New postPosted: December 4th, 2017, 6:48 am 
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AZdude wrote:
I hope you don't mind me asking a question here about loading Grendel for AR. I'm looking at getting a Grendel upper, and I do reloading. Do you crimp your hand loads? Just wondering if it's necessary.


I don't crimp any of my rifle rounds.


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 Post subject: Re: 6.5 grendel load info
New postPosted: December 4th, 2017, 7:38 am 
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Great video discussing Grendel bolts/chambers and reloading.



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 Post subject: Re: 6.5 grendel load info
New postPosted: December 6th, 2017, 12:00 pm 
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Jeff H wrote:
Great video discussing Grendel bolts/chambers and reloading.




Thanks for the video


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 Post subject: Re: 6.5 grendel load info
New postPosted: December 9th, 2017, 9:55 pm 
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Azrockcrawler wrote:
AZdude wrote:
I hope you don't mind me asking a question here about loading Grendel for AR. I'm looking at getting a Grendel upper, and I do reloading. Do you crimp your hand loads? Just wondering if it's necessary.


I don't crimp any of my rifle rounds.



thx


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