Was the 6.5 cm really a necessity?

Mine is around 2.8" with 140s at the L&Gs. Criterion Barrel and a 260 AI Match reamer.
This has been the limiting factor. I assumed that the match reamer that they said was for long/high bc bullets would be close enough to max me out, but I am showing no pressure signs and am compressed to the point of not holding seating depth. May need to switch from h4831sc to h4350. On the other hand, it shoots pretty well so....
What is your actual COAL? I think he's trying to get a measurement for how long the mag box would need to be to allow max OAL.
 
Remington's technical people developed what I consider the perfect deer hunting round in the .260 Rem. Then the round was passed to marketing and strategic planning where it got almost no support.

I loved the .260 Rem specs and when it came time to get my daughter her first deer rifle, I found a use Model 7 in .260 for her. The rifle should have been the epitome of a mountain rifle, but it didn't shoot well — with my best groups running 1.75" or larger. Yes, this is definitely "good enough" for most deer hunting rifles, but it won't excite outdoors writers or inspire emotional attachment. At the same time long-range shooters were building custom rifles for the .260 that had little trouble holding .1", proving Remington could have marketed the .260 first in premium rifles that would develop a following and only later release "lesser" rifles chambered in it — if they had a management team capable of building demand for a product.

You might already know this, but off-the-shelf Model 7's often need a long OAL in order to shoot well. It's that lawyer-proof factory leade. My daughter's 7-08 shoots badly - 3" groups @ 100 - when I load to standard OAL/magazine dimensions. But after some experimentation with seating depth, I found the spot where the bullets like to be in relation to the rifling and as a result she gets 3 shot groups where all are touching. It limits her to one cartridge in the chamber and only one on the top of the mag, but she is much more confident with her shots and usually drops them dead without needing the follow up.

Unfortunately I have a few other remington 700's and winchester 70's that exhibit the same issue.
 
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Since Obama left office and the weapons industry has taken a hit from a lack of sales, companies (both weapons manufacturers and ammo) needed a way to make money. It is called marketing pure and simple. How do you make money you ask? You find something that nobody needs but everybody wants. That is where the 6.5 creedmoor fits in. The 6.5x55, 260 remingtion and actually the 6.5x284 will outdo the 6.5 creedmoor. When Hornady and Creedmoor combined with this massive marketing campaign, the door was wide open and the masses rushed to jump in. I for one will never give up my 6.5x55 Swede. My rifle will make dime sized holes at 100 yards and quarter sized holes at 200. I have never had any animal that I have taken with it take more than 3 steps. That is all I need.

Who is "creedmoor". This cartridge was designed by Dave Emary a Hornady Engineer and Dennis Demille a well known high power shooter. Dave asked Dennis what he thought the perfect 6.5 would look like. Dave gave his input. Be able to load long BC bullets and fit in a short action. 30 degree shoulder and off the shelf factory ammo for competitors to shoot. Use components available to the public and put the load data on the box. Dave designed and then had to pitch it to Hornady. At the time the market for the round was small. The competition crowd. They scoffed at putting the load data on the box but had to be reminded they sold components too. Eventually as the round gained attention Hornady realized the potential and began to aggressively market the round. Who cares if we "Need" another 6.5. I'm just glad to see a company succesfully bringing a new caliber to market,selling stuff and keeping americans employed. Remington could learn a few lessons.
 
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Yep! But as much as I love the .260 AI, I'd really hate to waste a long action...I'd probably just jump up to a 6.5 Sherman and get the most out of the magazine length, pushing the new 155 Bergers. ;)

Short action .260 AI, I'd just do some cutting on the mill and put a Wyatt's box in it, so I can utilize the most out of the SA.

With this new 155 coming my brain is screaming 6.5 Sherman! Plus I have a Rem 700 270 setting in a McMillan game scout just gathering dust in the safe.......
I need to call Rich.
Great minds think alike... :cool:
 
Don't know how fast the Sherman will drive a 155. But my Sherman with a 28" Hart and a full dose of N570 drives a 140 Berger at 3339 fps. 3000 fps shouldn't be a problem.
 
I have an XP100 R that I bought new back in the 90s. It's chambered in 260rem. It's crazy how accurate it is. I used to shoot it often but ammo started getting harder to find. I'm about to buy a bunch of new 260 brass that I found online at a really good price. I really like the 260 and I never could figure out why everyone else didn't like it. I have a friend with an AR10 in 260. He says ringing steel at 1000 yards get boring with it. I have another friend who hunts with a bolt gun chambered in 260. He claim he's yet to have a deer not drop with it. The 260 is an excellent cartridge. It just doesn't seem to have a very big following.
 
Yep!
I need another 6.5mm about as much as I need a hole in the head. That would be a simple and cheap build though. If the Sherman would move that 155 at 3000' plus it would be a very impressive setup.
t moves the 160 matrix iirc 3100. Elkaholic can clarify/correct me. He has posted about using them
 
There appears to be no free lunch for everyone with the 6.5's. The 47L is absurdly accurate, easy on brass, and fine for whitetail. It just won't do very close to the magical 3000 fps with higher BC bullets and a sporter barrel. The 260 is too long and has a sloping shoulder. The Creedmoor is too popular and is used by novices that think it has special powers. The x55 is obscure and frequently chambered for long round nose bullets. The 6.5-284 is a barrel burner. Truth be told, with Lapua brass available, the CM probably comes closer to the perfect 6.5 than the rest. I still like my 6.5x47.
 
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