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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 08:58
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For those who recall me talking about my accuracy (or lack thereof) woes with my Kimber 84M in .260, I just wanted to let everyone know that I finally got it to shooting decently.  It won't win any accuracy competitions, but I put about 100 rounds through it this weekend and I got 3 different loads to shoot acceptably (below 1.5 MOA), plenty good enough for such a pencil barreled light sporter intended for deer hunting.  130 grain Accubonds and TSXs performed the best of the bullets I tried (in 120, 130, and 140 gr).  The best 5-shot groups averaged just barely over an inch (1.1 MOA or so) with 43.0 gr. IMR 4350, 130 TSX, BR-2 primers, at 2.75" OAL.  44.0 gr. of RL19 and the 130 Accubond at 2.8" OAL was a close second at around 1.25 MOA.  37.0 gr. Varget with the AB shot fair, about 1.5 MOA.  For all loads, I was using the uber expensive Nosler Custom brass, which is the only alternative to the crappy Remington brass I could find locally.  With both of the 2 best loads, the first 3 shots from a cold bore made small clusters about 7/8", but the skinny barrel heats up so quickly that the last 2 shots open the group up, and I wasn't willing to wait long enough to let the barrel cool down fully.  Works for me.  This rifle won't be used for target or varmint shooting anyway.
 
The improvement came about after I polished the hell out of the bore for over an hour with JB Paste followed by JB Bore Bright.  I had tried all the other tricks I could think of, along with numerous combinations of 5 different bullets, 6 different powders, countless progressive charge weights and bullet seating depths.  This was my last resort before sending the rifle back, and I didn't want to do that because of the many reports I've seen of people sending rifles back, only to be told they are "within their specifications" or getting essentially the same results from so-called "repairs."  Plus, there's that pride thing...
 
Just thought I would provide an update for anyone who is interested.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 09:15
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I know this is tough to get through, nothing sucks more than knowing you can do better.  I always like to be limited by my skill rather than my hardware.

Congrats on getting it dialed in better.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 09:25
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Thunbs Up    Thunbs Up
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 10:07
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Good one Ted and thinks for sharing your methodical madness.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 10:30
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Glad you got it sorted. This type of stuff can drive a person nuts.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 11:15
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  GLAD it worked out to your satisfaction!  I've had to do the JB thing only once but it DID make the difference.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 11:42
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Happy for you Ted..... I wish it didn't take so much effort on your part though. What do you think the problem could be?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 11:49
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ExcellentExcellentExcellent  Obviously, persistence pays off. Way to go Ted. 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 12:46
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It's always frustrating to have rifle that you just can't seem to find the right load for.  Sometimes you get a rifle that seems to take FOREVER to find the right load, but when you finally do....it's something sweet!  I've gotta Sako M591 in 7mm08 that took almost 2 years to get sorted out.  Any other gun I probably would've sold, but it is so pretty, I couldn't stand to part with it.  I'd probably be the same way with a rifle like your Kimber.  Congrats.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 13:58
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Originally posted by cyborg cyborg wrote:

What do you think the problem could be?
 
Well, since the JB treatment helped a great deal, combined with the fact that before I started with the JB, I did a thorough cleaning with Sweets and got a good bit of copper out, I'd say I had a rough bore that picked up copper fouling easy.  Polishing the heck out of the bore really made a difference in how quickly I get clean patches out the bore during normal solvent cleaning!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 14:02
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Originally posted by magshooter1 magshooter1 wrote:

Any other gun I probably would've sold, but it is so pretty, I couldn't stand to part with it.  I'd probably be the same way with a rifle like your Kimber.  Congrats.
 
I hear ya.  If it weren't for the fact this particular Kimber is so beautiful, with an absolutely stunning piece of wood, I probably wouldn't have messed with it for so long before selling it.  Although I am a believer in the "pretty is as pretty does" philosophy, this rifle is gorgeous, and I so wanted it to shoot!  It still isn't quite as accurate as I'd like it to be, especially given that it's chambered in .260, but I can live with it now.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 14:20
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Ted, have you tried Tubb's Final Finish bore polishing system?

I have not tried it myself, but I have heard from a couple of people that it helped with barrels that were pretty rough to start with.

ILya
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 14:51
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Originally posted by koshkin koshkin wrote:

Ted, have you tried Tubb's Final Finish bore polishing system?

I have not tried it myself, but I have heard from a couple of people that it helped with barrels that were pretty rough to start with.

ILya


+1.  Friend had a .280 in Rem 700 that would not shoot and he tried the Tubb's and it brought it around, plus cleaned up a lot easier.

Glad it is starting to shoot respectable groups.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 16:53
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Originally posted by koshkin koshkin wrote:

Ted, have you tried Tubb's Final Finish bore polishing system?

I have not tried it myself, but I have heard from a couple of people that it helped with barrels that were pretty rough to start with.

ILya
 
No, I've never tried the Tubb Final Finish system.  I seem to recall Mike McDonald had tried it and had success with it, but not everyone I've talked to who has tried it had good results.  I thought seriously about giving it a try on this rifle, but before I went that route, I thought I would try the JB paste first since I had it on hand.  Essentially, you are doing the same thing with the JB, albeit at a different rate.  I believe the Tubb system does more polishing toward the throat end of the bore and less toward the muzzle also, for what it's worth. 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 16:57
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Ted, I'll swear by it.  It works. 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 17:20
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I may have to give it a try sometime.  With as much time as I spent working the JB paste in the bore, I was basically doing the same thing as what the Tubb system does -- polishing out the rough spots.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 18:32
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 Glad to hear your efforts paid off Ted, Been there done that, (the trying-to-figure-out-why- thing), and not always with a happy ending.
 
I used the Tubb system  on an M48A Yugoslavian Mauser in 8x57 with a slightly rough bore.
  
It was quick and easy, and the bore just gleams now. It shoots much longer before accuracy drops off to fouling and it's way easier to clean.
 
I believe a lot of rifle accuracy problems can be traced to bore finish,
 
 
 The bore is truly the absolute heart of the rifle.
 
 
 
 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2009 at 20:59
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I have been considering a Kimber for a few weeks and had been a bit apprehensive about one...
glad to see you got it shooting better.

I was just about to comment on the Tubbs system, never tried it but I have talked to people that swear by it

I like JB bore paste and usually hit a new barrel with it
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/22/2009 at 06:15
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ted, im sure glad to hear that things worked out. that is a fine looking rifle, and it would have been a damn shame if it wouldnt have started to shoot. im betting you smiled pretty big when you finally got a good group.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/22/2009 at 18:01
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Originally posted by pyro6999 pyro6999 wrote:

ted, im sure glad to hear that things worked out. that is a fine looking rifle, and it would have been a damn shame if it wouldnt have started to shoot. im betting you smiled pretty big when you finally got a good group.
 
Damn right I did... not to mention there was a smoking hot chick with very tight, micro shorts shooting at the bench next to me while I was at the range!  I tell ya, having her walk downrange in front of me during each cease-fire to check targets probably contributed to my mood as well!Wink
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/22/2009 at 20:15
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Originally posted by RifleDude RifleDude wrote:

Originally posted by pyro6999 pyro6999 wrote:

ted, im sure glad to hear that things worked out. that is a fine looking rifle, and it would have been a damn shame if it wouldnt have started to shoot. im betting you smiled pretty big when you finally got a good group.
 
Damn right I did... not to mention there was a smoking hot chick with very tight, micro shorts shooting at the bench next to me while I was at the range!  I tell ya, having her walk downrange in front of me during each cease-fire to check targets probably contributed to my mood as well!Wink

Loco

i dont think i could hit a 4x8 sheet of plywood in that case.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/22/2009 at 20:18
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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/22/2009 at 20:31
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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/22/2009 at 20:35
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exactly mike!Thunbs Up
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/22/2009 at 21:00
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Originally posted by pyro6999 pyro6999 wrote:

Originally posted by RifleDude RifleDude wrote:

Originally posted by pyro6999 pyro6999 wrote:

ted, im sure glad to hear that things worked out. that is a fine looking rifle, and it would have been a damn shame if it wouldnt have started to shoot. im betting you smiled pretty big when you finally got a good group.
 
Damn right I did... not to mention there was a smoking hot chick with very tight, micro shorts shooting at the bench next to me while I was at the range!  I tell ya, having her walk downrange in front of me during each cease-fire to check targets probably contributed to my mood as well!Wink

Loco

i dont think i could hit a 4x8 sheet of plywood in that case.


I'm just that good, Hunter!Wink

Man, the way she worked her assets when she walked was a thing of beauty!  I particularly noticed that most of the guys there were thinking along the same lines as me and let her walk ahead of us on our way to and from the targets.  Naughty
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