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Old May 18th, 2019, 10:22 AM #1
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AR15 in 6.5 Creedmoor?

My Google-Fu is all over the place with this. The question takes me to AR-10 builds in 6.5 CM and sometimes complete AR-15 rifles in 6.5 CM. So it looks like "Yes, you can build that". I guess I should ask my FLGPS and if so, just buy the stuff. But I want to know. The why is because I want pow pow instead of pew pew.

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Old May 18th, 2019, 10:34 AM #2
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Quote:
Originally Posted by noddaz View Post
My Google-Fu is all over the place with this. The question takes me to AR-10 builds in 6.5 CM and sometimes complete AR-15 rifles in 6.5 CM. So it looks like "Yes, you can build that". I guess I should ask my FLGPS and if so, just buy the stuff. But I want to know. The why is because I want pow pow instead of pew pew.



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AR-10 for 6.5CM
AR-15 for 6.5 Grendel

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Old May 18th, 2019, 11:06 AM #3
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Thank you H&R. Not what I wanted to hear, but it is what it is...
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Old May 18th, 2019, 11:37 AM #4
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As noted 6.5 Grendel AR15 . These cartridges have COAL lengths of 2.26 to 2.29 or so. AR10’s 2.8 to 2.9 with some magazines. 6.5 Grendel is. Boom Boom rifle. I have one with @ 20” barrel can shoot out to 1,000 yds max effective range at sea level using 1,300 FPS as a yardstick is 1,030 yds using a 130 gr RDF. getting a 24” barrel any day now will give it a max effective range of 1,160 yds. I have a AR10 in 260 Rem 22” barrel. With 130 RDF it give a max effective range of 1,300 yds. So the Grendel is no joke. It definitely goes BOOM .


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Old May 18th, 2019, 11:46 AM #5
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Quote:
Originally Posted by DavidA View Post
As noted 6.5 Grendel AR15 . These cartridges have COAL lengths of 2.26 to 2.29 or so. AR10’s 2.8 to 2.9 with some magazines. 6.5 Grendel is. Boom Boom rifle. I have one with @ 20” barrel can shoot out to 1,000 yds max effective range at sea level using 1,300 FPS as a yardstick is 1,030 yds using a 130 gr RDF. getting a 24” barrel any day now will give it a max effective range of 1,160 yds. I have a AR10 in 260 Rem 22” barrel. With 130 RDF it give a max effective range of 1,300 yds. So the Grendel is no joke. It definitely goes BOOM .


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This!

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Old May 18th, 2019, 01:10 PM #6
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I got my 20" AR in 6.5 Grendel tuned in quite well. The group below is at 200yds. According to Hornady, the bullets were still traveling @ 2247fps w/1379ft/lbs energy.
I haven't taken it out far yet, but would be inclined to say the ballistics would be pretty good out to 800-1000yds. I believe the 6.5 Grendel is the only AR15 cartridge that can remain supersonic beyond 1000yds.
The Grendel could be an accurate and humane deer killer out to 600yds or so.
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Old May 18th, 2019, 06:04 PM #7
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Quote:
Originally Posted by squaregrouper View Post
I got my 20" AR in 6.5 Grendel tuned in quite well. The group below is at 200yds. According to Hornady, the bullets were still traveling @ 2247fps w/1379ft/lbs energy.

I haven't taken it out far yet, but would be inclined to say the ballistics would be pretty good out to 800-1000yds. I believe the 6.5 Grendel is the only AR15 cartridge that can remain supersonic beyond 1000yds.

The Grendel could be an accurate and humane deer killer out to 600yds or so.


There are two 224,s that can make it to 1,000 yds. 22 Nosler with 85 gr RDF at 2,750 get to 1,000 yds just as it goes transonic. Supersonic to 1,170 at sea level. The other is 224 Valkyrie it shoots a 90 gr SMK at 2,700 taking it to roughly the same numbers as the 22Nosler. 6.5 Grendel kick both their asses.


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Old May 18th, 2019, 06:05 PM #8
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Quote:
Originally Posted by squaregrouper View Post
I got my 20" AR in 6.5 Grendel tuned in quite well. The group below is at 200yds. According to Hornady, the bullets were still traveling @ 2247fps w/1379ft/lbs energy.

I haven't taken it out far yet, but would be inclined to say the ballistics would be pretty good out to 800-1000yds. I believe the 6.5 Grendel is the only AR15 cartridge that can remain supersonic beyond 1000yds.

The Grendel could be an accurate and humane deer killer out to 600yds or so.


Nice grouping. Love the Grendel . What a great round out of the AR15 platform.


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Old May 18th, 2019, 06:59 PM #9
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thanks for this

Quote:
Originally Posted by DavidA View Post
There are two 224,s that can make it to 1,000 yds. 22 Nosler with 85 gr RDF at 2,750 get to 1,000 yds just as it goes transonic. Supersonic to 1,170 at sea level. The other is 224 Valkyrie it shoots a 90 gr SMK at 2,700 taking it to roughly the same numbers as the 22Nosler. 6.5 Grendel kick both their asses.


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I built a 22 Nosler when it first came out in a SOTAR class then the Valkyrie came out. Have a large Athlon scope on it. Was afraid I was poo-poo tray platter on it since the Valkyrie. Have not even shot it yet. will attach pics. Not trying to disrupt thread. Glad it can reach. It does have a 6.8 size case, although it is not the parent. Will look at a Grendel for one of my next builds.
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Old May 18th, 2019, 07:33 PM #10
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Originally Posted by babalou View Post
I built a 22 Nosler when it first came out in a SOTAR class then the Valkyrie came out. Have a large Athlon scope on it. Was afraid I was poo-poo tray platter on it since the Valkyrie. Have not even shot it yet. will attach pics. Not trying to disrupt thread. Glad it can reach. It does have a 6.8 size case, although it is not the parent. Will look at a Grendel for one of my next builds.
I was all in on the Valkyrie at first. Then started seeing vids on cutting faces on 5.56 mags to extend OAL of ammo, and the problems that arise from that, I'm back on the Grendel bandwagon...for now.
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