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#6861154 - 08/18/17 08:27 PM What could my problem be?
C.K. Offline
Woodsman

Registered: 12/07/12
Posts: 118
Recently bought a Remington Mohawk 600 action with a Brown Precision 7mm-08 barrel. The stock and bolt aren't original either. I installed a Leupold VARI-X III.

I can't get this gun to shoot worth a hoot. I'm shooting 140gr core-lokt but will make some 139gr handloads soon to see if it changes anything. My group at 100 yards is about 7 inches and ranges from the top of the target to the bottom, and a couple on the side.

I wish I knew more about the history of the gun but the previous owner has passed away, but he was a master gunsmith. I just don't know if he did the work or knew anything about it.

Not sure what to do with the gun, any ideas?

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#6861158 - 08/18/17 08:31 PM Re: What could my problem be? [Re: C.K.]
SapperTitan Online   content
Taking Requests

Registered: 11/17/10
Posts: 22595
Loc: Killeen/Ft Hood, TX
I would first tighten all the scope mount screws to spec and then the rings to spec and try again if that doesn't help I'd try a different scope just to be sure it's not the scope. If that doesn't fix the problem I'd take it to a gunsmith
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#6861176 - 08/18/17 08:52 PM Re: What could my problem be? [Re: C.K.]
FiremanJG Online   content
THF Celebrity

Registered: 12/16/08
Posts: 21735
Loc: Wolfe City, TX
Tighten ALL the screws first, with an inch pound torque wrench.

Second, ditch the Core-Lokts.
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#6861180 - 08/18/17 08:55 PM Re: What could my problem be? [Re: C.K.]
C.K. Offline
Woodsman

Registered: 12/07/12
Posts: 118
I will try that, maybe even ditch the dove tail style mount and get a rail and rings. I know it's not the scope because it did the same thing with the scope it came with. Will also be ditching the core lokts for handloads.

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#6861181 - 08/18/17 08:55 PM Re: What could my problem be? [Re: FiremanJG]
SapperTitan Online   content
Taking Requests

Registered: 11/17/10
Posts: 22595
Loc: Killeen/Ft Hood, TX
Originally Posted By: FiremanJG
Tighten ALL the screws first, with an inch pound torque wrench.

Second, ditch the Core-Lokts.
a lot of people love core-lokts but I tried them in my Browing A Bolt when I first got it and I couldn't get them to group worth a dang, it was horrible. I switched to federal fusions and they were lights out. Now I shoot Chad's 270 loads.
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#6861183 - 08/18/17 08:57 PM Re: What could my problem be? [Re: C.K.]
garyrapp55 Online   content
Bird Dog

Registered: 12/26/11
Posts: 326
Loc: Ft. Worth
I recently tried to free float my factory stock (I knew I would eventually buy aftermarket) to see if it helped tighten groups. My targets too looked like I was using buck shot at 70 yards. That was a miserable failure. I since put a better stock on it and torqued the action screws to specs. It shoots much better now. Check your action screw/s. If you have a different scope maybe on another rifle, try that too.

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#6861184 - 08/18/17 08:58 PM Re: What could my problem be? [Re: SapperTitan]
FiremanJG Online   content
THF Celebrity

Registered: 12/16/08
Posts: 21735
Loc: Wolfe City, TX
Originally Posted By: SapperTitan
Originally Posted By: FiremanJG
Tighten ALL the screws first, with an inch pound torque wrench.

Second, ditch the Core-Lokts.
a lot of people love core-lokts but I tried them in my Browing A Bolt when I first got it and I couldn't get them to group worth a dang, it was horrible. I switched to federal fusions and they were lights out. Now I shoot Chad's 270 loads.


Zero rifles I've shot, with Core-Lokts have shot well. And ice watched many others, on my range, do the exact same thing.

Does the bullet do well on hide, flesh, and bone? Lots, and lots of people say it does. But if a guy can't put it where it needs to go, then they aren't worth anything.
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#6861321 - 08/19/17 02:39 AM Re: What could my problem be? [Re: C.K.]
Sneaky Online   content
The "Grouch"

Registered: 10/22/12
Posts: 17288
Loc: Winters
Core-lokts used to be fine bullets. They changed. Now I won't touch them. They don't even kill like they used to.
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#6861478 - 08/19/17 09:00 AM Re: What could my problem be? [Re: C.K.]
Grizz Offline
THF Trophy Hunter

Registered: 02/28/08
Posts: 6637
Loc: Granbury, TX
I agree with checking all of the mounting screws and action screws first. As far as the Core-Lokts, I've have mixed results with them over the years. My Rem. 788 22-250 shoots them great.
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#6862876 - 08/20/17 05:07 PM Re: What could my problem be? [Re: C.K.]
HandgunHTR Offline
Woodsman

Registered: 11/10/14
Posts: 125
Loc: Cypress, TX
You should also check how you are benching the gun. I had a Remington Model 7 that would only shoot good from the bench if the front bag was directly under the front mounting screw. Any further forward and it would start slinging shots all over the place. Not sure why those short Remingtons are like that, but they are.
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#6862955 - 08/20/17 06:37 PM Re: What could my problem be? [Re: C.K.]
Buzzsaw Offline
THF Celebrity

Registered: 06/29/11
Posts: 10300
Loc: Frisco, Texas
While everybody here bickers over the merits of the Core Lock bullets maybe try a lighter bullet, try the Nosler 120gr Ballistic tip . 45.0 gr IMR 4895

Do you know the history of the gun? If tightening everything, really good bore cleaning and good ammo don't work. I would take it to a good gunsmith. Not having the original bolt scares me. The gunsmith can figure it out.

where are you located?
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#6863165 - 08/20/17 09:06 PM Re: What could my problem be? [Re: C.K.]
Texas Dan Online   content
THF Celebrity

Registered: 07/28/08
Posts: 12343
I have to ask, but are you resting the gun on the forearm or the barrel?
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Spring, Texas

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#6863313 - 08/21/17 01:32 AM Re: What could my problem be? [Re: C.K.]
Greg Z Online   content
Tracker

Registered: 02/01/05
Posts: 880
Loc: TX, Rockwall
Do all the above and try Hornady ammo.
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Sewell Lexus
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#6863352 - 08/21/17 06:21 AM Re: What could my problem be? [Re: C.K.]
C.K. Offline
Woodsman

Registered: 12/07/12
Posts: 118
I'm resting the gun as close to the action as possible. Shot much better with handloads but still about a 4" group. At least it shoots in one area of the target now. Next I'll play with different loads and see if I can tighten the group.

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#6863526 - 08/21/17 09:09 AM Re: What could my problem be? [Re: C.K.]
aggiehunter03 Online   content
Veteran Tracker

Registered: 11/13/09
Posts: 2577
Loc: Mineral Wells, Texas
Buzz already said it but is it clean? Try some foaming bore cleaner with a copper solvent in it and see if the patches are bright blue. The guy that taught me to reload also showed me many times that guys rifles that wouldn't shoot were usually a result of them being filthy and copper fouled. Yours may not be the case but I'd make sure it was clean before I spent money on a gunsmith.
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