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Rifle Rebuild, Which Caliber???

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Old 08-06-2009, 03:55 PM
Bronze Member
Join Date: Apr 2009
Location: Stockton, Utah
Posts: 30
Rifle Rebuild, Which Caliber???

I have a Remington model 700 XCR in .300 Ultra mag. and it's almist time for a new barrel. I am just having a hard time decicing whether to stick with the .300 ultra, build a .338 ultra, or go to something like a .338-.300 Ultra Just looking for opinions and reasons for the change if that is your opinion.

My other question while I am here is which barrel manufacturer/barrel would you guys suggest? Thanks.
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Old 08-06-2009, 04:26 PM
Platinum Member
Join Date: Jun 2009
Posts: 1,654
Re: Rifle Rebuild, Which Caliber???

Here goes my opinion , I just rebarreled my 300rum with a broughton heavy contour barrel if I had it to do all over again I would go to a .338 edge . Right now I'm shooting 210 grain bergers my best 200 yrd group is .318 that's 3 shots as far as I'm concerned you want be at a disadvantage with a broughton rifle barrel just one talk on the phone with tim is all it will take, he's really a nice person and always answers my questions.

"Molon Labe"
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Old 08-06-2009, 04:52 PM
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Join Date: Jan 2003
Location: The rifle range, or archery range or behind the computer in Alaska
Posts: 3,524
Re: Rifle Rebuild, Which Caliber???

After cooking two 300 RUM barrels, I have moved on the the 338 Edge. I only have 120 rounds down the bore but I can tell you I am ultra impressed with the ease of tuning loads and how well the barrel and throat are holding up. The ballistics are also staggering. I honestly dont know how it gets any better than the 338 Edge for a true long range rig. Everybody always talked about how accurate their edge is and how their extreeme velocity spreads are in the single digits etc.......Yeah I thought, I have heard all the hype before and always ended up dissapointed. After playing with it for a while, I am a believer. I have been searching for the ultimate 1000 yard hunting rifle for quite some time. I believe that this is it. The 300 is awesome it is just too hard on throats and bores IMHO.
Long range shooting is a process that ends with a result. Once you start to focus on the result (where the shot goes, how big the group is, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.
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Old 08-06-2009, 05:01 PM
Silver Member
Join Date: Jul 2009
Location: Border City (on the poor side}:-()
Posts: 145
338 Gaillard

I shoot the 338 Gaillard. Mine is a 26 inch Magnum Contour Ted Gaillard barrel on an AIII Sako action in a McMillan Hunter stock topped off with a 4.5x14x40mm 30mm LR Leupold scope with a B&C reticle. The scope is mounted with Talley rings! My pet load for mine is as follows:

8mm Rem Mag case that has been fire formed!
CCI 250 Primer (all I had at the time, I now have some F215M to play with)!
250gr HPBT Sierra
89.5gr RL25
3050-3070 FPS

This is my 338 Gaillard barreled action sitting in a custom Screwbean Mesquite stock I have. It is very pretty, nice to hang on the wall to show off. I have a Fiberglass stock I hunt with.



The top left target was some 416 Rem Mag brass I was fireforming with 225 Hornady Interlocks. 85gr IMR 7828 & CCI 250 primers. 2967 FPS (Low), 2995 FPS (High). I also notice that that target should have been rotated 90 degrees CCW as that is how it was at the range.

The top right target was the last 3 rounds left from my 1st 338 Gaillard that I had. They were loaded with 250 Sierra HPBT, 340 Fire Formed Norma cases 89.5gr RL25 and CCI 250 primers.
2887FPS (Low), 2959FPS (High).

The lower left target is a 5 shot group of Barnes 225gr XXX. These were Fire Formed 8mm Rem Mag cases with 86gr IMR 7828 and CCI 250 primers. 3054 (Low), 3077 (High).

The lower right target was an experiment. 200gr Nosler Ballistic tips with Fire Formed 8mm Rem Mag cases with 88gr RL22 and CCI 250 primers. Nosler does not make a ballistic tip in 200gr anymore, only the Accubond. I figured I'd try these before I used my Accubonds. I must say I was impressed!
3249FPS (Low), 3271FPS (High).
Amanda. May 11/1984 - Mar 21/2011. Smile down & watch over me & the kids.
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Old 08-06-2009, 05:05 PM
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Join Date: Jan 2008
Posts: 1,103
Re: Rifle Rebuild, Which Caliber???

definatley the .338 edge. I have a .338 RUM in the XCR that will be an edge when the barrel goes. It makes even more sense for you because you have 300 Rum brass kickin around from your stock barrel. slap a DM in a fibergalss stock and put a nice barrel on it in .338 edge and you will have your new favorite gun. Cant go wrong with the .338 RUM either if you are concerned with factory rounds.
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Old 08-08-2009, 01:10 AM
Platinum Member
Join Date: Mar 2002
Location: Wyoming
Posts: 2,615
Re: Rifle Rebuild, Which Caliber???

338 ultramag or 338-300 ultramag. Your barrels will last way longer and a lot more whack on the business end of the bullet.

That 338 Galliard looks like a lot of trouble to get a 340 wby. Sounds like a 340 wby without the radius shoulder. The velocities you posted are identical to the 340 wby with the 250 grain. My 340 wby gets 3300 fps out of the 215 gameking.
Predictions are difficult, especially when they involve the future
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Old 08-10-2009, 03:30 PM
Bronze Member
Join Date: Apr 2009
Location: Stockton, Utah
Posts: 30
Re: Rifle Rebuild, Which Caliber???

Just wanted to say thanks guys sounds like the .338 edge is the general consensus. How much longer will the barrel last on a .338?
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