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300 wsm vs 308 or other

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Unread 12-14-2007, 11:01 PM
Silver Member
Join Date: Dec 2007
Location: sebastopol, ca.
Posts: 418
Sounds like you have recieved great advice so far.
I have a 300 win mag rem 700 that is not blue printed but shoots real well. I recently replaced the stock with one from Darrel Holland and it was heavier than the original stock but absolutely kicks the **** out of you. I couldn't shoot the rifle any more. It would come off of the bags 7 or 8 inches when you touch it off.
I didn't know what to do so I did a bunch of research and found a muzzle brake at Brownells manufactured by OPS, Inc. It is used by the SEALS and other special forces. The 300 is now the best shooting gun I have ever shot. All of the horror stories of loud and all that are not true with this brake.
What I am getting at is you could make the 300 wsm or the 338 into mild recoil guns when you are not competing in target matches by adding a brake. We were shooting at 704 yards this morning and you could see the bullet impact through the scope. Kicks less than my 243.
Good luck with your decision.
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Unread 12-14-2007, 11:26 PM
Platinum Member
Join Date: Jul 2002
Posts: 2,855
the recoil from a 300 WSM in a 10-12lb gun isin't bad at all probably about like the standard 270 factory rem 700 , assuming that you have a good pad on it and the stock fits you well. The 300 WSM will serve you well on deer out to and past 1000yds and elk that far if the conditions are perfect , loaded with a good high BC bullet like the 220 SMK or 210 Berger it should do well in some shoot comps as well.

All that said about the 300WSM , the 7mmWSM will do and with the higher BC bullets will shoot flatter and have less wind drift at long range thats a big help in matches. The barrel life will be a little bit shorter but unless your shooting the gun a couple hundered times a month it should last you at least a year and a half.

Now that I own a 260 rem I'll harp on what a great round it is , balisticaly it will shoot with or a little better than your 300WSM (it flat our smokes the 308) and does it with about half the recoil probably twice the barrel life of the WSM , less expensive to reload for and it has all the energy that a big deer and stand out to 700yds. Your wife and kids will enjoy shooting it even in a 8lb gun let alone a 10-12lber It will feed from the mag easly when chambered in a short action Rem , the same thing can be said for the 7-08
Basicaly what I'm getting at is that you don't "need" all that power to shoot long range .

As for the Weatherby , well they are great actions and capinle of making a fine accurate gun , but you will be limited on your aftermarket selection of goodies like with the Rem 700 has , and it will never regain it cost especialy after it hase been trued up. But if you are wanting a round that has more power then any of the 338's shooting a 300gr Sierra Match King bullet out at 2600 +fps will work great.
Si Vis Pacem Parabellum
Molon Labe
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Unread 12-15-2007, 11:31 PM
Bronze Member
Join Date: Apr 2007
Location: Cumberland Plateau
Posts: 65
Have you considered rechambering or rebarreling your current 280 to 280 Ackley Improved? You'll shoot nearly as flat as the 300 WSM with near the same terminal results. It won't cost as much as a whole new custom gun and it will hold more rounds in the mag. You will need to load for it anyway if you shoot long range, but you can shoot factory 280 remingtons in a pinch for close range work.
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Unread 12-16-2007, 01:05 AM
Junior Member
Join Date: Dec 2007
Location: west, central Al.
Posts: 6
I am a recent convert to the .260 Rem also. With 140 gr. is a real deer slayer. I have had a custom 6.5/06 fo a number of years.
They burn less powder and make a lot less noise. But reach out across open fields for whitetails.
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Unread 12-16-2007, 03:42 PM
Platinum Member
Join Date: Jun 2007
Location: Wilmington NC
Posts: 4,690
I have shot the 300 WSM comptetitively for 6 yrs now. I have two and building another. I also hunt with the 300 WSM.

It is a top notch 1k BR caliber for sure. We cannot explain it but, the 300 WSM is having uncommon barrel life compared to the other mags and particularily compared to the 7mm WSM.

My first barrel went 2300 rds and took 9th at the Nationals. I have a friend with 4000 rds thru his 300 WSM and still winning with it. He just posted that the throat has only moved .020 since starting. Now he has been shooter of the year several times also so he is top 2% in comp and extremely knowledgable.

Either 1-10 or 1-11 twists will work. you want a min SAAMI reamer and .338 or .340 neck with the .340 might being no neck turn., but no need to go below .338 IMO. I would recommend going to Pacific Tool and Guage and talking with Dan Kiff and getting him to get your reamer and go guages (under $200). As for smiths, go to a top 1k smith (look at the "top Recommended smiths" url at

As for bullets, 210 Berger or 210 JLK and maybe 200 SMK Sierra, H4350 or MRP powder, Norma Cases and F210 primers.

If you are in NY area would recommend a PA taper barrel, Harrels brake and make weight at 16.5 lbs with NF scope. That way you can shoot PA, IBS, NBRSA or FClass with same gun. Bruce Baer has a modified Edge (extended in front) with MBR rear with 1/2 flat on bottom that is super for 1k. Mark King, Bruce Baer and Eric Springman in PA are all top 1k smiths and LR hunters. John Myer in VA is another.

Go to the PA and IBS websites. The 300 WSM is a top comp caliber.

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Unread 12-16-2007, 09:13 PM
Silver Member
Join Date: Jul 2007
Location: Maryland
Posts: 479
Since you are leaning toward the 300WSM I'll put in my experience .02

I have been shooting the 300WSM since they came available and currently hunt with one.

12.5 pounds
700 SA
25" Broughton 1-11 twist 7.2 contour
Mcmillan Sako Varmint
HS mag

It is a Min SAAMI chamber standard throat. A 175 SMK will fit the Magazine when seated 10 thou off the lands, and the boat tail junction is right at the bottom of the neck. The rifle was built around the 175smk as an 800 yard max deer rifle. Under ideal conditions I feel confident it could do a deer at 1K, but I limit it to 800 or less. At 1K I woukd feel better with a 210vld load or even better , I like the way the big 30's and 338's hit at 1K and beyond. If you want to shoot 210s I would throat it for them as not to cram the bullets in the case. If you are useing a short action and dont want a single shot that will be something to talk over with your smith, there will be a limit in length.
This rifle shoots better then I could of asked for. In the 5-600 range it has become a proven combo.
I even took it to the last Shippensburg G-Hog shoot and it held it's own and then some in light custom.
As BH said it was smithed by one off 6br.coms list (Chris Martthews LongShot Rifles)
I dont think you can go wrong with the 300WSM although I think as a 1k game rifle its pushing the envelope.
"Fast is fine accurate is final"

Last edited by Rimfire; 12-16-2007 at 09:28 PM.
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Unread 12-17-2007, 01:45 PM
Silver Member
Join Date: Dec 2007
Location: Sheridan, WY
Posts: 429
300 wsm hands down. the gun I have now was originally a 300 rum then I bought a shilen and chambered it into a 308win, then I figured out a 308win isn't a good long range caliber for hunting/shooting the hard way. And now it's a 300wsm. I love it, it's not as cheap as a 308win to hand load but it's worth it. my drop chart for it is out to 1200 yrds and it doesn't have any trouble getting there either.
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