Seafire:

Thought of you since you have pondered on this round and the new Lapua 47mm ...

dwl

Registered: 11/17/07
Posts: 2
Yesterday #22

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M21Sniper;

No one really knows what you want like you do, when you decide. However, seeing all the replies for the 6.5X55 and other larger cartridges, I thought I'd add a data point on the smaller end.

I'm sitting here looking at a 6.5x250 aka 260 Bobcat. I have some experience with this cartridge, 100s though not 1,000s of rounds. It's a mild recoiling round with good accuracy in my Lilja barreled Rem 700. I use 32 grains of RL15 under the Sierra 142 gr MK for a bit over 2600 fps. The 107 gr SMK gets just over 2800 fps with 34 gr of RL15.

My rifle was built for High Power Silhouette with a max distance of 500 meters and with and eye for minimum recoil. I'm not sure what shooting you are planning for but I would think 600 meters and beyond reasonable. I haven't checked to see if it is still supersonic at 1,000 yards.

Accuracy has been good for a gun still in a Rem ADL stock and wearing a 2 lb trigger: .5 down to .298 at 100 yards with a couple of .5 - .6 groups at 200 yards using the 142 gr SMK.

I would suppose that that the 6.5XC and 6.5 Creedmoor would be similar and might have a bit more capacity and therefore a bit more speed with the same bullets.

As for stuck cases, The Winchester 250 Savage cases that I use are probably softer than 6.5X47 Lapuas but I don't have an issue and neither do the two other guns I know of since we aren't pushing the limit. In silhouette the goal is sufficient accuracy and momentum with minimum of recoil. The sweet thing about the 6.5-250 is case forming is no more than necking up .007!

One thought, you might consider a mid 6.5 (6.5 Creedmoor, 6.5XC, 6.5-250/260 Bobcat, 6.5 IHMSA) in that new barrel and then set it back if you want more. Hmm, I know where a 6.5-250 reamer is.


Hope that thread helps.