If you were only going to have one caliber?

If you could only have 1 caliber for target shooting, deer and antelope out to 500, and maybe the once every 10 years elk hunt, what would it be? Just curious on what everyone would pick, since I’m building a rifle for that exact scenario. I was stuck on the 6.5prc, but I don’t reload so I’m thinking either 6.5cm or 7mm rm.
 
If you could only have 1 caliber for target shooting, deer and antelope out to 500, and maybe the once every 10 years elk hunt, what would it be? Just curious on what everyone would pick, since I’m building a rifle for that exact scenario. I was stuck on the 6.5prc, but I don’t reload so I’m thinking either 6.5cm or 7mm rm.
7mm Mag
 
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If you could only have 1 caliber for target shooting, deer and antelope out to 500, and maybe the once every 10 years elk hunt, what would it be? Just curious on what everyone would pick, since I’m building a rifle for that exact scenario. I was stuck on the 6.5prc, but I don’t reload so I’m thinking either 6.5cm or 7mm rm.

Without hesitation, 7mmRM; very good variety of factory loads and can reach out to 1000 yds for elk or deer.
 
Ok Steel Head, I reload for 260 REM. I got a lot of flack because I chose the caliber over the 6.5 CM. Question, what loads do you use? My current loads are 139gr Scenar with 37.0 gr N160, and 123 gr Scenar with 38.4 N150.
These days it’s 130’s at 2950+ with a scoop of H4350.
I started with 260 just when 6.5 GAYMORE was released and there was no ammo or brass to be found.
 
More Than One Caliber.jpg
 
Not saying other cartridges are inferior or incapable of handling your selection of game, but I have had 50+ yrs of 30-06 hunting and it has served me extremely well (Rem 700 - my go to hunting rifle.) One well placed shot using off-the-shelf Winchester Super X 165gr ammo has done the job every single time. I have never lost a deer or hog. Just my opinion.
Regardless, good luck with whatever cartridge you select.
 
I'm partial to the 300WSM, as it gives you the stopping power of a 30cal, it provides significantly more energy over the 30.06 (which is especially important for 500+ yards on larger game), while also retaining the benefits of a shorter action. It's my "go to" caliber for White Tail, Mule Deer, Elk, and any large game in North America. It's dropped everything I've harvested with it immediately in it's tracks, including an over 400" Red Stag in New Zealand, yet it's not overly destructive to the meat.
 
If you could only have 1 caliber for target shooting, deer and antelope out to 500, and maybe the once every 10 years elk hunt, what would it be? Just curious on what everyone would pick, since I’m building a rifle for that exact scenario. I was stuck on the 6.5prc, but I don’t reload so I’m thinking either 6.5cm or 7mm rm.

I would have one which is 6.5 PRC!
 
If you could only have 1 caliber for target shooting, deer and antelope out to 500, and maybe the once every 10 years elk hunt, what would it be? Just curious on what everyone would pick, since I’m building a rifle for that exact scenario. I was stuck on the 6.5prc, but I don’t reload so I’m thinking either 6.5cm or 7mm rm.
Only one caliber? Easy 30 caliber
Only one clambering? 30-06
 

But if it was me .308 at 500 or less that elk took a bit long to drop. Oh and for the 45/70 guys who needs a stiiiinking scope you pikers.
 
Research, research, research. I settled with the 280AI but its a highly favorable caliber for reloading but there is decent factory ammo out there. If you don't like the factory offerings there are plenty of custom ammo makers out there like Copper Creek, Hendershots, and others. You can even buy the projectiles you want, if they don't have what you want, and send to them to make ammo.
 
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OK I hope it aint in bad form to double dip in the thread. Ive never been accused of being well mannered. So here goes . Any time I have an impossible time makn a logical decision cuz there are so many suitable (outstanding) choices . I apply a very simple algorithmic formula which I developed years ago . I call it the doughboy principle , here is how it works starting about the time the modern metallic cartridge eatin magazine fed battle implement was devised until the present. Calculate how many tons of wormshit said round is responsible for producing. Find the square, ad that to the number of buzzard landings on foreign fields that are direct results of said caliber. Now multiply by how many years that this projectile has been helping qualified professional ghost makers affectively, efficiently ply their trade. You will find a select few guns and calibers stand head and shoulders above the crowd. And they are still favorites of genuine widow makers and hunters alike.
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But if it was me .308 at 500 or less that elk took a bit long to drop. Oh and for the 45/70 guys who needs a stiiiinking scope you pikers.

A bit long to drop? That was a clean kill. And it was a sample size of 1. What makes you think a typical 308 elk shot at 600 yards would be any different? Not that there was anything wrong with that harvest. I've had small white tails run farther from a 50 yard 3006 shot in the vitals.
 
I appreciate the feedback guys. I’m building a 6.5cm, but I’m picking up a magnum bolt and having a 6.5prc barrel spun up for the times I need the extra energy for larger game. There were a lot of good recommendations, but the majority of time it will be punching paper and steel out to 600.
 
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