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Posted: 12/13/2007 12:17:54 AM EST
brownells
Link Posted: 12/13/2007 12:19:50 AM EST
[#1]
Link Posted: 12/13/2007 12:20:47 AM EST
[#2]
Link Posted: 12/13/2007 12:54:33 AM EST
[#3]
Great Reviews!  Thanks
Link Posted: 12/13/2007 1:01:19 AM EST
[#4]
Link Posted: 12/13/2007 1:28:55 AM EST
[#5]
Damn fine write up....thank you!
Link Posted: 12/13/2007 1:33:47 AM EST
[#6]
Wow..
Link Posted: 12/13/2007 1:40:30 AM EST
[#7]
Thanks for the hard work, this will help me decide what upper to go with, thanks again.
Link Posted: 12/13/2007 1:52:23 AM EST
[#8]
Good read.  Thanks for all the hard work gentlemen!  I can't wait to see the additional pics and vids.
Link Posted: 12/13/2007 1:58:51 AM EST
[#9]
Well.....All I am going to say is.........

If Larue makes a 6.8 upper with the success of their current Quad S (5.56)....

kcolg30 will be the first in line
.....


kcolg30 also recommends that this thread be made a STICKY.

Link Posted: 12/13/2007 2:15:28 AM EST
[#10]
Great review!!!
Link Posted: 12/13/2007 3:17:47 AM EST
[#11]
Excellent information - thank you for all your hard work in putting this together.
Link Posted: 12/13/2007 3:21:12 AM EST
[#12]
Its hard for you guys to phathom how much personal time new-arguy put into this...

there are many times I'd come in and see him just blasting away at the computer for hours on end on his OWN time.

Not even considering the range time it took to get things shot. The range is 70miles away..one way.
Link Posted: 12/13/2007 3:28:48 AM EST
[#13]
Sweet report, much obliged for the hard work involved here; report printed out for filing and better viewing.

 Cudos to the MSTN product as well; only fitting that one of the best and oldest dealers around here should prove once again why you can't go wrong w/ a MSTN product.


One question - any reason given by CMMG for not participating in this 6.8mm SPC upper testing?

mike
Link Posted: 12/13/2007 3:56:27 AM EST
[#14]
Link Posted: 12/13/2007 4:03:53 AM EST
[#15]
Link Posted: 12/13/2007 4:45:18 AM EST
[#16]
Great write-up!

Thanks doing the work and sharing the results!!!
Link Posted: 12/13/2007 4:48:08 AM EST
[#17]
Thank you!
Link Posted: 12/13/2007 4:51:38 AM EST
[#18]
Thanks for the review.
Link Posted: 12/13/2007 5:06:04 AM EST
[#19]
Link Posted: 12/13/2007 5:21:31 AM EST
[#20]
Link Posted: 12/13/2007 5:48:55 AM EST
[#21]
It looks like everything performed well except for Remington Ammo.


Good job all!
Link Posted: 12/13/2007 6:01:00 AM EST
[#22]
OUTSTANDING EVAL -- many thanks to you, new-arguy!
Link Posted: 12/13/2007 6:14:33 AM EST
[#23]
Link Posted: 12/13/2007 6:36:19 AM EST
[#24]
Nice, VERY professional
thanks
Link Posted: 12/13/2007 6:36:58 AM EST
[#25]
You, Da Man!

Thanks for your time and effort and thanks to all those who put uppers in his hands.
Link Posted: 12/13/2007 6:52:31 AM EST
[#26]
Link Posted: 12/13/2007 7:18:20 AM EST
[#27]
Thanks for the hard work and detailed report.
Link Posted: 12/13/2007 7:37:47 AM EST
[#28]
Hey, my left foot made it into one of the photos!

I watched Neil shoot 3 of the stages, and it was a lot of work.  It made me realize how difficult it is to run any sort of meaningful test.  

Great job, Neil.
Link Posted: 12/13/2007 7:47:55 AM EST
[#29]
Nice report, NewArGuy. Thank you very much for the time and money you put into this project.

One observation is that all but one (Stag didn't) of the uppers appeared to have free float tubes (someone correct me if I'm wrong, as I don't own a FF tube). Are they that much more accurate? I mount a barrel-mounted light and an Aimpoint (on receiver top) on my personal gun, and frankly don't need the extra rails.

Link Posted: 12/13/2007 10:05:01 AM EST
[#30]
Great writeup man...  
Link Posted: 12/13/2007 10:09:50 AM EST
[#31]
Link Posted: 12/13/2007 10:20:34 AM EST
[#32]
Link Posted: 12/13/2007 10:38:33 AM EST
[#33]
While I'm not in the market for a 6.8 (already have mine) I was looking forward to this report. Very well done and thank you.

yak
Link Posted: 12/13/2007 10:41:50 AM EST
[#34]
Link Posted: 12/13/2007 11:00:44 AM EST
[#35]
Link Posted: 12/13/2007 11:17:09 AM EST
[#36]
Link Posted: 12/13/2007 11:45:52 AM EST
[#37]

Quoted:
Nice report, NewArGuy. Thank you very much for the time and money you put into this project.

One observation is that all but one (Stag didn't) of the uppers appeared to have free float tubes (someone correct me if I'm wrong, as I don't own a FF tube). Are they that much more accurate? I mount a barrel-mounted light and an Aimpoint (on receiver top) on my personal gun, and frankly don't need the extra rails.



Do your normally shoot between 300-650 yards?
Link Posted: 12/13/2007 11:53:27 AM EST
[#38]

Quoted:

Quoted:
Nice report, NewArGuy. Thank you very much for the time and money you put into this project.

One observation is that all but one (Stag didn't) of the uppers appeared to have free float tubes (someone correct me if I'm wrong, as I don't own a FF tube). Are they that much more accurate? I mount a barrel-mounted light and an Aimpoint (on receiver top) on my personal gun, and frankly don't need the extra rails.



Do your normally shoot between 300-650 yards?


Typical shooting is 300 yards, max. Occasional chance to shoot the 400 yard line may happen from time to time. I'm under the impression that the 6.8 isn't a long-range cartridge (77gr 5.56 drops less, but may drift more than a 6.8SPC OTM bullet).

I figure it's a good 300-400 yard gun, even scoped, in my less than expert hands.
Link Posted: 12/13/2007 11:57:13 AM EST
[#39]
I've been busy at work and finally had a chance to read the review.

I want to thank Neil and all of the other guys for all the hard work they put into this.  Also a big thanks goes out to the manufacturers that submitted the uppers for evalution.

Now, before I have to Internet Punch someone for arguing arguing about the accuracy results, let me make a little comment.

Frm the accuracy results, I can say I am very happy with all of the uppers.  These are not sniper Rifles.  You can't base the results by using factory ammo because each barrel has a different taste of bullets and powder.  The only way you are going to get the true accuracy is through handloads.

Anyway, great job.
Link Posted: 12/13/2007 12:24:22 PM EST
[#40]

Quoted:
*snip*
Typical shooting is 300 yards, max. Occasional chance to shoot the 400 yard line may happen from time to time. I'm under the impression that the 6.8 isn't a long-range cartridge (77gr 5.56 drops less, but may drift more than a 6.8SPC OTM bullet).

I figure it's a good 300-400 yard gun, even scoped, in my less than expert hands.


In that case whether or not you want to spend $200+ on a floated rail would probably be a judgement call.

$200 on ammo or $200 on floating your rifle...
Link Posted: 12/13/2007 12:39:05 PM EST
[#41]

Quoted:
Thanks for the review neil, and all the hard work that went into it.

Having said that, I am disappointed with the accuracy portion of the report.  My customers most commonly report getting half-inch groups right out-of-the-box, such as this group that I shot by accident (meaning I was just sighting-in my 18" upper for hunting, and got this group):

ko-tonics.com/images/other/5-shot-half-inch-grp.jpg

Or this five-shot group from a customer:

ko-tonics.com/images/other/5-shot-dime.JPG


Generally, if a customer calls and he isn't able to keep all his shots inside 1" at 100 yards, I ask him to send it in to be checked out.  There have been very few cases of this, and all with the stainless barrels that I no longer sell.

Sorry to whine, but again, I am disappointed.

But that's okay, I understand that there was a lot of pressure to get the shooting done, so I guess allowance must be made for this sort of thing.



What do you mean?

You are disappointed with your rifle? Or disappointed with the shooter?
Link Posted: 12/13/2007 12:47:13 PM EST
[#42]
Thank you very much for a great report!!  
Link Posted: 12/13/2007 12:49:30 PM EST
[#43]
Thanks.

Some bad gas key stacking and feed ramp alignment shown in some of those pics.
Link Posted: 12/13/2007 12:54:06 PM EST
[#44]
Thanx guys.
Link Posted: 12/13/2007 12:54:47 PM EST
[#45]
tag
Link Posted: 12/13/2007 1:11:10 PM EST
[#46]
First, Thanks to all the vendors that submitted an upper for this test! While informal in many respects, it was and is a worthwhile effort giving us all a bit of insight into each of your offerings and parts used.

new-arguy,

Thanks for putting forth the effort and time to provide an invaluable insight into these uppers and the 6.8 SPC.




Link Posted: 12/13/2007 1:22:22 PM EST
[#47]
new-arguy

Thanks for putting so much into this test.
Link Posted: 12/13/2007 1:22:28 PM EST
[#48]
Alot of good info here, good work.
Link Posted: 12/13/2007 2:12:56 PM EST
[#49]
new-arguy THANKS! Now to place my order
Link Posted: 12/13/2007 2:33:39 PM EST
[#50]
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