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#3090221 - 09/08/17 06:37 PM 6mm DTI aka 6DTI
DiRTY DOG Online
Die Hard Member III

Registered: 08/27/09
Posts: 2585
Loc: West
I put together a 6DTI for predator hunting. The barrel is a 22" 1:10 light contour fluted Shilen from Dtech. Thank you Mike! I added a Syrac adjustable gas block, Gieselle SSA-E trigger, and a Leupold VX-3i 4.5-14 CDS side focus scope. Total weight with scope and empty mag as shown is 8.4 lbs.




6mm DTI uses a 6.8 Remington SPC case necked down and the shoulder blown forward 30 degrees. A custom Hornady die set is available from Dtech. The 6mm DTI chamber and load data is very similar to 6x6.8 and 6mm WOA.

The plan is to use the 80gr TTSX for big game, and 55gr Nosler Ballistic Tip lead free for coyotes. My first range trip was to establish a max load since there is no load data for the longer than normal lead free 55gr NBT. 80gr TTSX on the left, 55gr NBT-LF on the right.


Both 55gr NBT and 80gr TTSX printed 3-shot groups less than 1/2 inch. It runs 100% with the 6.8 PRI mag, and recoil is tame.




A nice buck ran out here right in front of my targets while I paused for my barrel to cool.




This week I took it out to 215 yards. The wind was crazy gusting from 5-20 mph just my luck. 55gr NBT-LF and 31.5gr 8208 XBR shot well at 3545fps SD 10. I may try adjusting the seating depth but I'm happy so far. 80gr TTSX shot well with 28.0gr 8208 XBR at 2975fps also SD 10.


55gr NBT-LF at 215 yards. Four shots in .4 moa plus a wild fifth shot. Probably me or the wind. I'm pleased so far especially that it shoots lead free well, and I'm looking forward to punching some holes in critters.


Dtech, 6mmDTI, 6mm DTI, 6DTI, 6 DTI
_________________________
Aim small miss small.

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#3090343 - 09/09/17 07:13 PM Re: 6mm DTI [Re: DiRTY DOG]
yotehunter243 Offline
Die Hard Member III

Registered: 12/20/10
Posts: 2218
Loc: Indiana
Nice rifle

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#3090372 - 09/09/17 08:55 PM Re: 6mm DTI [Re: DiRTY DOG]
Ivet Offline
Seasoned Member

Registered: 06/15/12
Posts: 193
Loc: here
Looks to be ready to roll.
Shooting like Id expect.
My 6x6.8 likes 28g x8208 like your 6DTI and ran at 2865 fps.
If you try other powders, H335 does wonders for 55-95g bullets.

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#3090406 - 09/09/17 10:22 PM Re: 6mm DTI [Re: DiRTY DOG]
reddog964 Offline
Die Hard Member III

Registered: 04/06/08
Posts: 3904
Loc: In the sage brush behind you
Nice setup and you will enjoy a good shooting 6mm DTI, I love mine! but i'm also glade i don't have to shoot lead free...
_________________________
Hang Em High and leave Um for the Birds...

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#3090421 - 09/09/17 11:52 PM Re: 6mm DTI [Re: DiRTY DOG]
tj66 Online
Seasoned Member

Registered: 11/23/08
Posts: 300
Loc: Nebraska
Nice rifle. Looks like it's a shooter.

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#3090470 - 09/10/17 11:49 AM Re: 6mm DTI [Re: DiRTY DOG]
zr600 Online
Die Hard Member II

Registered: 02/21/14
Posts: 1329
Loc: North dakota
Nice rifle glad it's shooting good for you. What kind of hand guard is that? What's the barrel measure at the muzzle, just wondering if you could thread it 5/8 for a surpressor?

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#3090473 - 09/10/17 12:22 PM Re: 6mm DTI [Re: DiRTY DOG]
luder Offline
Die Hard Member II

Registered: 01/07/04
Posts: 1149
Loc: Wisconsin
Nice looking setup and pics. Enjoy....

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#3090485 - 09/10/17 01:30 PM Re: 6mm DTI [Re: zr600]
DiRTY DOG Online
Die Hard Member III

Registered: 08/27/09
Posts: 2585
Loc: West
Originally Posted By: zr600
Nice rifle glad it's shooting good for you. What kind of hand guard is that? What's the barrel measure at the muzzle, just wondering if you could thread it 5/8 for a surpressor?

Thanks! The handguard is a 15" ALG EMR V1 M-LOK 8.4oz. The barrel diameter at the muzzle is the same as my RRA PP, about .750", I can measure it later tonight.

_________________________
Aim small miss small.

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#3090974 - 09/12/17 06:17 PM Re: 6mm DTI [Re: DiRTY DOG]
Tim B Offline
Junior Member

Registered: 03/03/16
Posts: 26
Loc: Missouri
What twist barrel is that a 1 10 or 1 in 12

Thanks
Tim

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#3090991 - 09/12/17 08:07 PM Re: 6mm DTI [Re: Tim B]
DiRTY DOG Online
Die Hard Member III

Registered: 08/27/09
Posts: 2585
Loc: West
Originally Posted By: Tim B
What twist barrel is that a 1 10 or 1 in 12
It's a 1:10.
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Aim small miss small.

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#3093943 - 09/28/17 08:57 PM Re: 6mm DTI [Re: DiRTY DOG]
DiRTY DOG Online
Die Hard Member III

Registered: 08/27/09
Posts: 2585
Loc: West
58gr Vmax over 8208 XBR shoots pretty ok too. 0.395" and 3560 fps.


_________________________
Aim small miss small.

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#3094084 - 09/29/17 01:18 PM Re: 6mm DTI [Re: DiRTY DOG]
bug holes Offline
PM Sponsor

Registered: 06/12/17
Posts: 12
Loc: Minnesota
Great pictures DiRTY DOG!

My 10 twist 6DTI loves moly coated 70gn Blitzkings over H4895. It's an ideal load for mid range prairie dogs, 300-600yrds.

An 85gn Nosler Partiion over AA-2520 is dynamite on whitetail.
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Vegetarians are cool. All I eat are vegetarians - except for the occasional mountain lion steak. - Ted Nugent



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#3094944 - 10/03/17 06:25 PM Re: 6mm DTI [Re: DiRTY DOG]
The Virginian Offline
Die Hard Member II

Registered: 03/23/10
Posts: 1646
Loc: Spotsylvania, VA
Beautiful build!
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Show up
Do your best
Don't grumble about the outcome

NRA Life Member

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#3096026 - 10/09/17 08:31 AM Re: 6mm DTI [Re: DiRTY DOG]
17varmint Offline
Seasoned Member

Registered: 01/01/11
Posts: 128
Loc: Georgia, USA
Nice rifle. My cousin is putting together AR in this caliber. He is setting it up suppressed. Great caliber.
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#3106136 - 11/22/17 05:38 PM Re: 6mm DTI [Re: DiRTY DOG]
cturne08 Offline
Junior Member

Registered: 06/06/13
Posts: 45
Loc: Oklahoma
Man, that thing is sexy!!! Mike sure knows how to build em purddy! Looks like it spits em out pretty well too!

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#3108468 - 12/01/17 08:43 PM Re: 6mm DTI [Re: cturne08]
dtech Offline
PM Sponsor

Registered: 12/17/04
Posts: 2277
Loc: Bemidji, MN
Originally Posted By: cturne08
Man, that thing is sexy!!! Mike sure knows how to build em purddy! Looks like it spits em out pretty well too!


Thanks, but this build Dirty Dog did himself. I chambered and fluted his barrel..... if that counts!
_________________________
Mike Milli
There is a very fine line between "Hobby" and "Mental illness"
www.dtechuppers.com



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#3108569 - 12/02/17 08:58 AM Re: 6mm DTI [Re: DiRTY DOG]
venatic Offline
Retired Moderator

Registered: 06/11/03
Posts: 6990
Loc: In the right lane
You both did good. thumbup1
_________________________
"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."

Jack O'Connor 1963


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#3111964 - 12/13/17 01:06 AM Re: 6mm DTI [Re: DiRTY DOG]
DiRTY DOG Online
Die Hard Member III

Registered: 08/27/09
Posts: 2585
Loc: West
Haven't gotten out much this season, but finally got my first coyote with the 6DTI. He charged in to about 40 yards and the veered left where I hit him on the run with a 55gr NBT-LF. Bang-flop.
_________________________
Aim small miss small.

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#3111979 - 12/13/17 07:29 AM Re: 6mm DTI [Re: DiRTY DOG]
MasterBlaster Offline
Die Hard Member II

Registered: 12/31/01
Posts: 1361
Loc: SE. Iowa
Nice! Now pile them up.
MB

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#3116532 - 12/27/17 02:08 PM Re: 6mm DTI [Re: DiRTY DOG]
DiRTY DOG Online
Die Hard Member III

Registered: 08/27/09
Posts: 2585
Loc: West
Been having a great time with my 6DTI, predators drop instantly from the 55gr NBT-LF at 3545 fps. Usyally a tiny entry, no exit or small exit, zero blood.



Another one.


Another one.


Another one.


No exit even on this cat, front chest shot.

_________________________
Aim small miss small.

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#3116573 - 12/27/17 04:57 PM Re: 6mm DTI [Re: DiRTY DOG]
MasterBlaster Offline
Die Hard Member II

Registered: 12/31/01
Posts: 1361
Loc: SE. Iowa
Working good

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#3148717 - 05/18/18 01:50 AM Re: 6mm DTI [Re: DiRTY DOG]
DiRTY DOG Online
Die Hard Member III

Registered: 08/27/09
Posts: 2585
Loc: West
427 yards, 55gr NBTLF @3545fps.
_________________________
Aim small miss small.

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#3148833 - 05/19/18 11:36 AM Re: 6mm DTI [Re: DiRTY DOG]
MasterBlaster Offline
Die Hard Member II

Registered: 12/31/01
Posts: 1361
Loc: SE. Iowa
Nice....... But that's not Iowa
MB

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#3149001 - 05/20/18 10:44 PM Re: 6mm DTI [Re: DiRTY DOG]
venatic Offline
Retired Moderator

Registered: 06/11/03
Posts: 6990
Loc: In the right lane
Musta took a wrong turn at Albuquerque
_________________________
"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."

Jack O'Connor 1963


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#3212414 - 09/14/19 12:41 AM Re: 6mm DTI aka 6DTI [Re: DiRTY DOG]
DiRTY DOG Online
Die Hard Member III

Registered: 08/27/09
Posts: 2585
Loc: West
300 yards proved fatal on this buck with an 80gr TTSX @2975 fps. Quartering away, the bullet struck high in the lung, through the spine, and lodged under the skin of the neck on the opposite side. He dropped in his tracks and never moved.





The TTSX appears to have retained 99% + weight. I'm a little surprised it did not pass completely through, but it performed perfectly. Impact velocity was about 2200 fps. The thwack! sound of the impact was loud and clear from 300 yards away.


_________________________
Aim small miss small.

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#3212423 - 09/14/19 10:48 AM Re: 6mm DTI aka 6DTI [Re: DiRTY DOG]
jrnm Offline
Seasoned Member

Registered: 04/08/13
Posts: 279
Loc: Clayton NM
the 6DTI is the only thing that keeps my DTECH 243 wssm in the safe.

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#3212455 - 09/14/19 07:48 PM Re: 6mm DTI aka 6DTI [Re: DiRTY DOG]
204 AR Offline
Die Hard Member with a vengeance

Registered: 01/31/10
Posts: 4553
Loc: Nebraska
Nice work, and that's an awesome bullet out of a 6mm. My wssm shoots them into itty bitty groups and they drop whatever they hit.
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#3212588 - 09/16/19 03:59 PM Re: 6mm DTI aka 6DTI [Re: DiRTY DOG]
DiRTY DOG Online
Die Hard Member III

Registered: 08/27/09
Posts: 2585
Loc: West
Cleaned up the 80gr TTSX and weighed it. It was 79.6gr meaning it retained 99.95% of it's weight. Max expansion was about 0.450".





_________________________
Aim small miss small.

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#3212655 - 09/17/19 06:03 PM Re: 6mm DTI aka 6DTI [Re: DiRTY DOG]
seasley Offline
Die Hard Member

Registered: 07/23/09
Posts: 913
Loc: oklahoma, Tulsa county
I have a 25 dti and a 6 dti still working on, of the two, which one would you keep if you had to sale one?

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#3212660 - 09/17/19 06:56 PM Re: 6mm DTI aka 6DTI [Re: seasley]
jrnm Offline
Seasoned Member

Registered: 04/08/13
Posts: 279
Loc: Clayton NM
If coyotes are the main target, keep the 6DTI, it will whack a deer plenty well. If you are shooting hogs, maybe the 25, they are a toss up but the 6 has a better selection of lighter bullets

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#3212824 - 09/19/19 11:12 PM Re: 6mm DTI aka 6DTI [Re: DiRTY DOG]
zr600 Online
Die Hard Member II

Registered: 02/21/14
Posts: 1329
Loc: North dakota
What powder with them 80ttsx?

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#3212827 - 09/20/19 12:34 AM Re: 6mm DTI aka 6DTI [Re: zr600]
DiRTY DOG Online
Die Hard Member III

Registered: 08/27/09
Posts: 2585
Loc: West
Originally Posted By: zr600
What powder with them 80ttsx?
8208 XBR does it all.
_________________________
Aim small miss small.

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