Sherman light (not for drinking)

[elkaholic]

It would be nice if Berger had an offering in the 6.5, 150-160 class bullet with a b.c. in the .670 area. I love the 150 Matrix which has a good b.c., but mostly because it is very accurate and super effective on game. Everybody loves high b.c. though!. Comparing SD, the 6.5 150 gr. would be closer to the 170 and 180 in 270, and 7mm. I just calculated the 155 gr. SD in 6.5 and it would be exactly the same as the 270/170 and the 280/180.....Rich

 

[HARPERC]

..........It would be nice if Berger had an offering in the 6.5, 150-160 class bullet with a b.c. in the .670 area.....................[/QUOTE

One can hope!

 

[MudRunner2005]

Actually, my 7 SS has a 26" barrel and it topped out around 3070' with the 180's.

My mistake... I thought I remembered reading that one of your SS calibers you used a 24" barrel. Then again, I could be imagining that I read that.

Either way, the 7mm SS has impressed me thoroughly.

 

[MudRunner2005]

It would be nice if Berger had an offering in the 6.5, 150-160 class bullet with a b.c. in the .670 area. I love the 150 Matrix which has a good b.c., but mostly because it is very accurate and super effective on game. Everybody loves high b.c. though!. Comparing SD, the 6.5 150 gr. would be closer to the 170 and 180 in 270, and 7mm. I just calculated the 155 gr. SD in 6.5 and it would be exactly the same as the 270/170 and the 280/180.....Rich

Maybe they'll come out with a ridiculously high BC 130-140 grain Hybrid .257, and then we can design and develop a .257 SS. Got a nice ring to it, don't it?

 

[alf]

I would go adl.

If that recommendation is for an ultimate LW rig, there's absolutely zero difference in weight between a BDL vs ADL set-up.

Preference is another story.......

 

[CogburnR]

I'll vote for a 270SS.

It is a good compromise between retained energy at long range and recoil in a light carry rifle(mine is currently a Kimber 8400 in 270WSM). The Kimber is pretty light and it has some recoil with the 165 matrix and a case full of RL33.

 

[IdahoCTD]

[FONT=&quot]Cauterucio .264 caliber 155 grain VLD[/FONT][FONT=&quot][/FONT]

[FONT=&quot][/FONT]​

[FONT=&quot]Lot #:[/FONT]​

[FONT=&quot]Unknown[/FONT]​

[FONT=&quot]Ogive Radius:[/FONT]​

[FONT=&quot]21.29 calibers[/FONT]​

[FONT=&quot]Sectional Density:[/FONT]​

[FONT=&quot]0.318 lb/in2[/FONT]​

[FONT=&quot]Rt/R:[/FONT]​

[FONT=&quot]0.44[/FONT]​

[FONT=&quot]Ballistic Performance[/FONT]​

[FONT=&quot]

[/FONT]​

[FONT=&quot] [/FONT]​

[FONT=&quot]Above 3000 [/FONT]

[FONT=&quot]3000-2500[/FONT]​

[FONT=&quot]2500-2000[/FONT]​

[FONT=&quot]2000-1500[/FONT]​

[FONT=&quot]Below 1500[/FONT]​

[FONT=&quot]G1 BC[/FONT][FONT=&quot][/FONT]​

[FONT=&quot]0.703[/FONT]​

[FONT=&quot]0.674[/FONT]​

[FONT=&quot]0.660[/FONT]​

[FONT=&quot]0.634[/FONT]​

[FONT=&quot]0.612[/FONT]​

[FONT=&quot]G7 BC[/FONT][FONT=&quot][/FONT]​

[FONT=&quot]0.333[/FONT]​

[FONT=&quot]0.334[/FONT]​

[FONT=&quot]0.332[/FONT]​

[FONT=&quot]0.337[/FONT]​

[FONT=&quot]0.345[/FONT]​

[FONT=&quot]Averages from 3000 fps to 1500 fps:[/FONT]​

[FONT=&quot]G1 BC: 0.654, variation of G1 BC: 0.073[/FONT]​

[FONT=&quot]G7 BC: 0.336[/FONT][FONT=&quot], variation of G7 BC: 0.015[/FONT]​

[FONT=&quot]G7 form factor: 0.946[/FONT]​

[FONT=&quot] [/FONT]​

[FONT=&quot]Rifling Twist Rate and Stability[/FONT]​

[FONT=&quot] [/FONT]​

[FONT=&quot]Stability Factor[/FONT]​

[FONT=&quot]Barrel Twist[/FONT]​

[FONT=&quot]Best case[/FONT]​

[FONT=&quot]Nominal[/FONT]​

[FONT=&quot]Worst Case[/FONT]​

[FONT=&quot]1:7"[/FONT]​

[FONT=&quot]2.36[/FONT]​

[FONT=&quot]2.06[/FONT]​

[FONT=&quot]1.78[/FONT]​

[FONT=&quot]1:8"[/FONT]​

[FONT=&quot]1.80[/FONT]​

[FONT=&quot]1.58[/FONT]​

[FONT=&quot]1.36[/FONT][FONT=&quot][/FONT]​

[FONT=&quot]1:9"[/FONT]​

[FONT=&quot]1.43[/FONT]​

[FONT=&quot]1.24[/FONT]​

[FONT=&quot]1.08[/FONT]​

[FONT=&quot]1:10"[/FONT]​

[FONT=&quot]1.15[/FONT]​

[FONT=&quot]1.01[/FONT]​

[FONT=&quot]0.87[/FONT]​

[FONT=&quot]Minimum twist required for stability is 1:9.2"[/FONT]​

[FONT=&quot]Recommended twist for optimal performance is 1:8.2" or faster[/FONT]​

This might be a option Rich. It's may not be quite .670 but I bet it works out to be close to that if you look at the BC break down. Most shots at game won't be under 2000fps unless your stretching things.

 

[IdahoCTD]

I talked to Bob Beck about other caliber options and he said they were going to work with Berger on a 240+gr .30 and a 155gr 6.5mm next. It will probably be a few years out though.

 

[IdahoCTD]

I would do a 6.5mm or .270 to try and keep the bullet weight/recoil down as much as possible. Since it's going to be super light it's going to want to jump around much more. That usually translates into harder to be consistently accurate for most people.

I'm trying to lighten my rifles a bit too but I'm going from 12-13lb rifles down to around 10lbs. Either that or I need a better pack so I don't have to sling them so much. I don't like shooting super light rifles so I doubt I would build a 6-7lb rifle.

 

[elkaholic]

Thanks for the info. I was actually thinking about their bullet last night and was going to look it up but you saved me the trouble. I figure I could push it to 3000' even with a 22" barrel.......Rich
Another option would be to get some 6.5 dies and make my own like I do the .308's
Man, I sure wish my uncle owned Chevron!

 

[IdahoCTD]

A 24" barrel would only add probably 3 ounces or less because the diameter is so small. I think I would go with a 24" if it was me.

There are some pretty good bullets around and more in the pipe I'm sure. It would be hard to buy dies when there are some pretty decent options but I know your the tinkering type so get after it.

 

[elkaholic]

A 24" barrel would only add probably 3 ounces or less because the diameter is so small. I think I would go with a 24" if it was me.

There are some pretty good bullets around and more in the pipe I'm sure. It would be hard to buy dies when there are some pretty decent options but I know your the tinkering type so get after it.

I probably won't make my own because, you are correct, a lot of people are finally jumping on the long range band wagon. I am still considering barrel length, but shorter was also part of my new LIGHTER side! We will see! I will probably end up with a 1300 yard pack rifle before it's over.......Rich

 

[IdahoCTD]

I did the calculations and 2" of 6.5mm barrel .650" is 2.47oz.

I built a 6.5x47L on a #5 24" long to shoot suppressed but it will still weigh 8 3/4 to 9lbs most likely. I still have to finish the stock work before I'll know a final weight. It's on a Remington SS SA.

 

[elkaholic]

I did the calculations and 2" of 6.5mm barrel .650" is 2.47oz.

I built a 6.5x47L on a #5 24" long to shoot suppressed but it will still weigh 8 3/4 to 9lbs most likely. I still have to finish the stock work before I'll know a final weight. It's on a Remington SS SA.

Ya, I would still be well under 7 lbs. I just have to decide how much length I want?