6X47L vs 6XC vs 6BR ???

dawgmaster

dawgmaster

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Well, if I can't sell my 12 twist 6AI barrel its gonna get a new chamber! Not cause I need to but rather want to! Boredom you might say. I don't think any of these three would really out perform the AI but I need a change. So, what are the pros and cons of each...obviously its a 12tw so for now I would be shooting 70 to 80 grain pills...mostly for varmint and short range f class.
 
Well you can go on 6mmbr and change your mind 4 times in a hours reading. Of the ones you named I shoot a couple 6brs and I chose that mainly on it's popularity. Like you I like my 6's and I like going to different brass and changing it if need be. If you're a competent handloader building brass is half the fun. I shoot 3 different 6's now and I think I'll try a couple more down the line. I will probably look at a Dasher or a CM when I switch
 
I like the short cases too but I think any new barrels are going to be 7 or 8 twist. I'm just getting set up to shoot 700 and 1000 yd so I may need more capacity down the line. If you wanted to go thru the 6mm line-up you'd need about 8 barrels.
 
After weeks of research and going insane at least 10 times, here is my opinion:
You should get a 1-8" or 1-7.5" (my choice) twist barrel for any of the 3 cartridges.
You could also include 243 Win and 6mm Creedmoor in the list if you want extra performance but shorter barrel life.
  • best 600 yards accuracy + smooth magazine feed = 6mm x 47 Lapua (my choice)
  • best 300 to 599 yard accuracy + don't care smooth magazine feed = 6mm BR
  • best 100 - 600 across the range cartridge = 6XC Norma

I went for 6mm x 47 Lapua mainly because I wanted the ultimate in 600 yards accuracy and don't care about larger bores (6.5mm, 7mm, 30 cal) because of excessive recoil.

Alex
 
6BR running 70gr Ballistic Tips is an awsome varmint cartridge. It burns less powder meaning the barrel heats less and it doesn't burn the throat so quickly. Then there is the excellent Lapua brass.

This case is easy to load for and is extremely accurate. I have found accuracy to be very easy from my 6BR. Test two or three loads and one of them will be nice and tight. Then load up rounds and go shoot varmints
 
It's looking more and more that any of the 6's will more than hold their own at 1000. A 6
Dasher narrowly missed beating the smallest thousand yard group ever and it does hold
some records. What really is the difference if the bullet has a 15ft arc rather than a 12ft. It seems many are choosing to live with 5lbs of recoil rather than 25lbs. I think that
anyone with an interest in long range should read the book Precision Shooting at 1,000
Yards. There is so much information in there by guys that have been doing it for so long
it's a must read.
 
bedrock said:
It's looking more and more that any of the 6's will more than hold their own at 1000. A 6
Dasher narrowly missed beating the smallest thousand yard group ever and it does hold
some records. What really is the difference if the bullet has a 15ft arc rather than a 12ft. It seems many are choosing to live with 5lbs of recoil rather than 25lbs. I think that
anyone with an interest in long range should read the book Precision Shooting at 1,000Yards. There is so much information in there by guys that have been doing it for so long
it's a must read.
Click to expand...

Have it and started reading it. But didn't finish it. :(
 
I agree with bedrock...the 6s are defenitely hangin with the 6.5s! I think D.Tubb proved that with the 6XC and many experinced and decorated f-class shooters have made comment that they own 6BRs that will compete with their 6.5s out to 1000!
I belive my 6AI will do me well at fclass...just want to give another calibre a try on rifle #2!
 
i would think about a 6ppc with the 12 twist. The BR and 6XC are fine cartridges, incredible even, but they work their magic with heavy bullets and tight twists. you can get a real fast shooting br or xc but it won't be much good for long range. if you want the most accurate cartridge ever made, i would build a 6ppc and shoot some of the incredible 65-70 grain bullets out there.

i have never used on myself but i have had lots of feedback that the 6x47 lapua is a finicky cartridge to make work. never liked the idea of a small primer in that size cartridge and that may be the problem.
 
paperslayer said:
i would think about a 6ppc with the 12 twist. The BR and 6XC are fine cartridges, incredible even, but they work their magic with heavy bullets and tight twists. you can get a real fast shooting br or xc but it won't be much good for long range.
Click to expand...

You are aware the 6BR has set world records at 1000 yds? Which would suggest it performs just fine at long range.
 
People have shot some incredible groups and clean scores at 1000y with the 6xc as well. I don't think suggesting 65-70 gr bullets for long range shooting is going to help. The proven performers are all in the 105-115gr range.
 
Suputin said:
You are aware the 6BR has set world records at 1000 yds? Which would suggest it performs just fine at long range.
Click to expand...

that was my point. the br is a fine cartridge at 1000 yards or meters but it only shoots those distances with heavy bullets such as the 105-117 grain heavy bullets. 12 twist wont stabilize those, not by a long shot and shooting a 68 grain bullet at 1000 yards is a waste of powder and barrel life.
 
At the Western Canada F-Class Championships last summer (shot at 700,800 and 900m) the standings for top 3 were:

1st 284 Shehane (by 1 point)
2nd 6mm BR
3rd 284 Win.

If that helps your decision any.
 
I've got the two rifles right now...a 10tw shootin 90s a 12tw that maxs out at 80s...the dilemna is to change the 12tw calibre so I might use it or put my new 8tw on it and hope I will shoot the 10 and 8 as the same calibre!
 
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