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7mm RUM LOADS?

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  #8  
Unread 03-06-2006, 05:53 PM
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Join Date: Oct 2005
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Re: 7mm RUM LOADS?

POP, What barrel length are you getting? My 7mm RUM with 26" barrel won't do much over 3400fps using Retumbo and 140 Accubonds. I started with 94 grains and got an average of 3398, I worked up to 96.5 grains and was only getting 3438 . With 160 Accubonds and 93 grains Retumbo I get 3207,
94.5 gets me 3272. Remington factory 160 Partitions (no longer available) got 3253fps. This was all with my 30 year Oehler model 33 chrono. I was told, by someone shooting next to me a while back, that I was getting the biggest fireball from my barrel he had ever seen in the daytime. This was with the Retumbo.
I am now trying Rl25 and best accuracy is with 90 grains and 160 Accubond and no fireball. I haven't run them through the chrono yet.
I am thinking of having it rebarreled to 30 inchs.
Dale
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  •   #9  
    Unread 03-06-2006, 10:38 PM
    POP POP is offline
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    Re: 7mm RUM LOADS?

    sako 75 ss 26" barrel. Craig Boddington claims over 3600 fps but he never publishes loads.
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      #10  
    Unread 03-07-2006, 12:28 AM
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    Re: 7mm RUM LOADS?

    I have a new Sako 75 in 7mm RUM I haven't shot it yet I've been considering 120gr Lazerheads. Does anyone have any experince with these bullets.

    Reloaders nest list a load with 120gr BT 95gr RL25 @ 3800fps. The lazerheads ar suposed to give a little extra velocity due to their coating. Has anyone tried the Lazerheads?
    DR B
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      #11  
    Unread 03-07-2006, 01:14 AM
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    Re: 7mm RUM LOADS?

    bjlooper

    You will soon learn that around here, light fast bullets are not the way we fly for long range, you seem to be thinking along the lines of lazzeroni. bigger bullets at slower speeds with a higher BC are better for longer range, if your into longer range shooting anyways. just been reading some posts from you lately, and seems you like the light fast bullets for calibers. not to diss you or flame you or whatever, but at long range, those light fast bullets fall flat on there face after 600-700 yards.
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      #12  
    Unread 03-07-2006, 08:49 AM
    POP POP is offline
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    Re: 7mm RUM LOADS?

    Actually 25-06 is correct about the higher BC bigger/heavier bullets. The reason I want the small faster ones is because this will be a Wyoming open plains antelope deer rifle and up to about 500 yards or so it really does not make that big of a diff. Now if you were to wonder to 800-1200 yard territory (something I do not do nor do I need to where I hunt) then hell yes you need the big loooooooong ones. [img]/ubbthreads/images/graemlins/grin.gif[/img]
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      #13  
    Unread 03-07-2006, 09:02 AM
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    Re: 7mm RUM LOADS?

    150 gr partition, 95 gr RL 25, Fed 215, Rem Brass, OAL 3.670 chrono'ed at 3450, maybe could go a little higher but I get good accuracy here. Just barely fit my mod 700 magazine. Every gun is different so if you try this one be sure to work up from below. Also RL 25 can differ from lot to lot.
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      #14  
    Unread 03-07-2006, 11:32 AM
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    Re: 7mm RUM LOADS?

    I would be tempted to try IMR 7828 with 140's and lighter. I have some of the short cut version so I may just try that to see what kind of velocity is available.
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