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Sporter weight barrel as a LR rifle ?

 
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  #1  
Old 04-06-2010, 02:24 PM
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Sporter weight barrel as a LR rifle ?

Looking at maybe building a LR rig on a M 700 action and a 26" sporter weight barrel in 7mm rem mag ... RIfle will be used for hunting deer ( and smaller game ) out to 600-700 yds (maybe 800) .. Just curious if anyone is aboe to get the accuracy needed for this out of sporter weight barrels.

Thanks
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Old 04-06-2010, 02:58 PM
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Re: Sporter weight barrel as a LR rifle ?

Quote:
Originally Posted by cmillett79 View Post
Looking at maybe building a LR rig on a M 700 action and a 26" sporter weight barrel in 7mm rem mag ... RIfle will be used for hunting deer ( and smaller game ) out to 600-700 yds (maybe 800) .. Just curious if anyone is aboe to get the accuracy needed for this out of sporter weight barrels.

Thanks
I dont know that Id choose to order a sporter wt. bbl, but that being said, theres quite a few factory barreled rifles that are capable of doing the task. Luck of the draw I suppose. But if I were ordering a bbl strictly for a L/R rig Id probably go with a #5 or #6 taper from a reputable barrel maker(shillen, kreiger, lilja, broughten etc.) sorry my spelling SUCKS! If wt. is a concern Id get a fluted bbl.
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  #3  
Old 04-06-2010, 03:30 PM
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Re: Sporter weight barrel as a LR rifle ?

My response to this would be that I took a Rem 700 LH in 338 Win Mag stuck a brake on it, redid the outside of the stock plus pillar bedded. Shot exceptionally well with 225s and 250s.

However, Win Mag just wasn't 'nifty' enough so I had a local smith fit a 26" Rem 338 RUM new take off barrel that I got from Kirby Allen for next to about nuthin'. Had the brake moved to it also.

Doesn't shoot 225s or 250s very well but does wonders with 300 SMKs.

It's my carry gun but is tuned to go 875 yds.

The only reason for not going farther is limitations of the Mil Dot reticle and 1/8th minute clicks that I don't trust and certainly can't count.

Your largest consideration is weight. Heavier just seems better the farther ya shoot. But that isn't always the case.

Give it a go.....and see what happens.
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Old 04-06-2010, 03:37 PM
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Re: Sporter weight barrel as a LR rifle ?

Quote:
Originally Posted by cmillett79 View Post
Looking at maybe building a LR rig on a M 700 action and a 26" sporter weight barrel in 7mm rem mag ... RIfle will be used for hunting deer ( and smaller game ) out to 600-700 yds (maybe 800) .. Just curious if anyone is aboe to get the accuracy needed for this out of sporter weight barrels.

Thanks
If you reload and tune a load to the rifle, 600-700 yds should be no problem with a lighter profile barrel. Some factory rifles will fill that role nicely. I've got two Tikka T3 7mm Rem Mags and they both perform acceptably well out to 800 yds with some finely tuned hand loaded ammo. And those rifles weigh 6 3/8 lbs with 24 3/8" long barrels.
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Old 04-06-2010, 03:50 PM
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Re: Sporter weight barrel as a LR rifle ?

Thanks for the reply people .. Just to add I will be reloading for it .. I will be loading 150-175 gr bulletts.. Reason I chose the 7mm rem mag is the bullett diameter is still small enough to not thin the barrel as a 30cal or larger would..Also that I am familar with loading for the 7mm mag and I also already have all the reloading gear for it...I was looking at starting with a used stailnless SPS barreled action pillar bedded into a laminated Ross thumbhole from boyds , and then take it from there. Starting the build would be under $700 bucks so I dont think thats to bad unless I decide to go with a bit heavier barrel .. I would like the rifle not to be as heavy as a sendero , which I know a sendero is not heavy when it comes to LR rifles .. Just sometrhing I wouldnt mind carrying around in my pastures that will be just as dependable and accurate as the heavier rifles out to 600-800yds.
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  #6  
Old 04-07-2010, 05:55 AM
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Re: Sporter weight barrel as a LR rifle ?

Have you considered going with a shorter barrel?

Sort of "thinking out loud" here.

This is a hunting rifle so the reason for a heavier barrel would be to get stiffness for accuracy purposes while keeping the velocity that goes with a 26" barrel. The additional mass to compensate for heating isn't needed on a hunting rifle (1 shot most of the time, very rarely 3 shots) like it would be on a competition rifle. Reducing the length would stiffen the barrel with the sacrifice some velocity but probably have a negligable effect on the rifles usefulness for the hunting described.

Taking 4" to 6" off the sporter weight 26" barrel should stiffen it up noticably. The MV loss can be compensated for by using good range data out to the distances you mention and shouldn't affect it's ability to take the game you discuss at those ranges.

Not recommending anything here because I haven't studied it. But it might be worth thinking about especially if you already have a sporter length barrel that can be cut down to experiment with.

Fitch
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  #7  
Old 04-07-2010, 07:13 AM
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Re: Sporter weight barrel as a LR rifle ?

Quote:
Originally Posted by Fitch View Post
Have you considered going with a shorter barrel?

Sort of "thinking out loud" here.

This is a hunting rifle so the reason for a heavier barrel would be to get stiffness for accuracy purposes while keeping the velocity that goes with a 26" barrel. The additional mass to compensate for heating isn't needed on a hunting rifle (1 shot most of the time, very rarely 3 shots) like it would be on a competition rifle. Reducing the length would stiffen the barrel with the sacrifice some velocity but probably have a negligable effect on the rifles usefulness for the hunting described.

Taking 4" to 6" off the sporter weight 26" barrel should stiffen it up noticably. The MV loss can be compensated for by using good range data out to the distances you mention and shouldn't affect it's ability to take the game you discuss at those ranges.

Not recommending anything here because I haven't studied it. But it might be worth thinking about especially if you already have a sporter length barrel that can be cut down to experiment with.

Fitch

You just explained one of my greatest concerns Fitch .. This is one thing that I am thinking about..Honestly Id like to keep the barrel length 26" if possible in the 7mm mag..If I have to go 24" or less I would go with a NONmag standard caliber..I once had a 280 and a 7mm mag .. The 280 had a 22" barrel and the mag 24" .. The difference in vel. was min. when pushing "accurate" loads in the same bullet weight..There was no real world advantage with the mag .. This was after a couple months worth of trial loads .. I believe the 280 in 150gr sierras (neck sized) was only 80-120 fps slower than the 7mm mag with the same bullet but loaded for accuracy.. I think the mag was pushing it at 2950+/- and the 280 was a hair over 2850fps.. This is one reason if I saty with the 7mm mag to keep the barrel lengtrh at least 26" ... I wonder if going with a one contour heavier barrel than factory and adding flutes would stiffen it or maybe having it chryo'ed ?
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