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help 7mm RUM sendero no accuracy

 
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  #1  
Old 05-24-2011, 10:58 PM
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help 7mm RUM sendero no accuracy

hi guys i was woundering if anyone cauld help me/ I recently purchased a new in box rem 7mm rum sendero. and toped it off with a leupold 8.5 x 25 lr . I bought the gun with the hopes of taking adwantige of the VLD bullet from either berger of the hornady a- max in 168 grn or 162 i have tried everything i can do to get either of these bullets to shoot accuritly with not alot of luck best group @ 100 1.25 and i know that these bullets need a little time to sleep but still sub par at longe range .this gun has so much free bore i cant get a bullet to touch the rifelings i just purchasd a box of hornady sst and am going to try them also oh i loaded some 140 nosler btips 7 shot .75 @ 100 but hope fully dont have to shot them or i might as well have just bought a regulare 7 mag any help would be greatly apprechated or of anyone has had this problem whats the solve thanks
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  #2  
Old 05-24-2011, 11:37 PM
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Join Date: Jul 2004
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Re: help 7mm RUM sendero no accuracy

Quote:
Originally Posted by shedhead View Post
hi guys i was woundering if anyone cauld help me/ I recently purchased a new in box rem 7mm rum sendero. and toped it off with a leupold 8.5 x 25 lr . I bought the gun with the hopes of taking adwantige of the VLD bullet from either berger of the hornady a- max in 168 grn or 162 i have tried everything i can do to get either of these bullets to shoot accuritly with not alot of luck best group @ 100 1.25 and i know that these bullets need a little time to sleep but still sub par at longe range .this gun has so much free bore i cant get a bullet to touch the rifelings i just purchasd a box of hornady sst and am going to try them also oh i loaded some 140 nosler btips 7 shot .75 @ 100 but hope fully dont have to shot them or i might as well have just bought a regulare 7 mag any help would be greatly apprechated or of anyone has had this problem whats the solve thanks

Certain rifles don't like certain bullets so you have to find a bullet that they like.

It sounds like you have already found a bullet style that it likes.

Don't sell the Ballistic tips short they work well at long range and the Accubond does very well.

Don't fight the free bore and load standard length rounds with standard ogives. (The SMKs have
the same ogive and have a proven track record).

Just my opinion.

J E CUSTOM
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  #3  
Old 05-25-2011, 05:51 AM
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Join Date: Nov 2007
Posts: 110
Re: help 7mm RUM sendero no accuracy

Try. 150 off the lands, try the OCW load testing method, try a couple different powders. Is your barrel broken in? do you clean your weapon after every range session with agressive copper cleaners? If not do so. I have purchased 10 new rifles in the last 3 years. Everything from Weatherby SVM22/250,CZ550 375H&H, 300 Weatherby, Remington 30/06, and on and on. Every one of these weapons required a break in period before they would settle down and shoot. I would go to the range and shoot two or 3 rounds, twidle the dials on my scopes and go home dissappointed and disgusted with my groups on every one of my rifles. I would take em home and clean em with an agressive copper cleaner such as WipeOut. Reload some rounds and head back to the range and shoot some more. Get disgusted with my groups again go home and its the same thing all over again. After shooting 50 -100 rounds or more out of each rifle I noticed that the groups in all my rifles without fail suddenly and mysteriously tightened right up to SUB MOA at 100. It was then that I did the OCW method of load testing. You can find it just by googling OCW Load Testing. I have a feeling that if you undertake the above exercise you rifle will shoot tight. Hope this helps.
Cheers & Tighter Groups: Eaglesnester
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  #4  
Old 05-25-2011, 08:45 AM
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Location: az
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Re: help 7mm RUM sendero no accuracy

my 7mm rem mag snedero is not finnicky at all. the BIG groups from a 140 nosler partition .8". the rest from 140 acubond , 140 berger, 168 berger , 139 horn and 140 balistic tip form .1 to .7.
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  #5  
Old 06-02-2014, 06:31 PM
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Join Date: Jun 2012
Posts: 17
Re: help 7mm RUM sendero no accuracy

You have a good Rifle in the 7RUM no question there . They are super accurate , it's not the Rifle . I have one and it's my Rifle of choice . When I'm at a range with it so is my Sweets 7.62 . I may shoot three rounds let it cool then clean it well with the 7.62 and it stays on point that way . Some rifles you may be able to shoot more before letting it really cool down and I'm sure some shooters wait until they get Home until they clean out that barrel . I'm not one of them I clean it out between each 3 shot group and it will get 1/4 inch groups at a hundred yards . It loves long range it will hit targets way out there . Work out the issue with your Rifle . Do you have it Pillar bedded and or glass bedded ? Are you posititve there is no contact between barrel and stock ? What about scope , rings and bases ? All that can be a factor with any Rifle . I won't need more than one shot which is why I practice that "first shot" kill so much , as like most hunters . Some may not want to go to the trouble of cleaning a Rifle Barrel at the Range , Me I don't mind a bit and it works as far as accuracy goes . It works for my Big 7 and I'm sure it would work for yours as well . Try it and good luck .
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Old 06-02-2014, 07:18 PM
den den is offline
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Re: help 7mm RUM sendero no accuracy

my factory Remington bdl 7 rum shot the 160 acubonds the best and @ max mag length of aprox 3.680
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  #7  
Old 06-02-2014, 07:36 PM
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Join Date: Dec 2005
Location: Tucson Az
Posts: 1,264
Re: help 7mm RUM sendero no accuracy

First be sure your stock is torqued to specs. Rem says 45 in/lb HS Precision IIRC says 55 in/lb

I would suggest you try the 180 or 168 hybrid instead of a VLD. I have found that more rifles will shoot them even with a substantial jump to rifling.

You never mentioned powders.
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