new 257 caliber bullet

[Jonathan_S]

Lots of overbore quarter bores out there. Wish these came out several months ago when I was rebarreling a .25-06

Tough to find twist rates faster than 1:10” but these should help change that

[mountainman]

Might try these in my Ackley improved '06

[yorketransport]

Lots of overbore quarter bores out there. Wish these came out several months ago when I was rebarreling a .25-06

Tough to find twist rates faster than 1:10” but these should help change that

That's why I'm glad that they're offering barrels with an appropriate twist rate too. I ordered up a 1-7" X-Caliber blank from them since they're on sale for  $199 right now. I haven't had any of the X-Caliber barrels but I know a couple people who've been using them for a while with good results. I'll nail down what to do with it later I guess.

[Biggerhammer]

Just ordered a X-Caliber myself, from Blackjack. $214.00 Shipped is a great deal. I have had great accuracy with them when it comes to AR15 and AR10 barrels.

I had a reamer done by Dave Kiff some time back. My version of a .25 Souper, just more case capacity. Minimum body tapper. Shoulder blown forward (37 Degree). That’s a .243 case sitting under the reamer.

I like short action 25’s. I had a .257 DGR when Duane first did them and a 25 Souper years back. Shot allot of Chucks with them.

[yorketransport]

My PRS superstar friend has shot out 2 X-Caliber barrels so far and he’s working on a third. They’ve shot extremely well but they do copper foul worse than a premium barrel.

[yorketransport]

Just found out today that the guys at Blackjack Bullets have their X-Caliber blanks marked down even more. Using the coupon code “longrange257” takes the price down to $179 for a contoured blank.

https://www.longrangehunting.com/threads/barrel-blank-coupon-code-price-too-low-to-show.205155/

I’m thinking of grabbing a magnum sported contour to go with the Sendero profile I ordered last week.

[Biggerhammer]

Thanks for spending another $200.00 bucks for me.

[Jonathan_S]

Would be super interested in a .25-06AI to mess with these.  Regular -06 would do well but not get a little extra zip?

[yorketransport]

Would be super interested in a .25-06AI to mess with these.  Regular -06 would do well but not get a little extra zip?

The 25-06 is boring, you need to be a guinea pig for my 257 BS (Boondoggle Short).

 6.5 Grendel on the left, 257 BS, 25-06.

[jasnt]

Maybe I missed it. What’s the boondoggle parent case?

[yorketransport]

Maybe I missed it. What’s the boondoggle parent case?

In keeping with my mission statement of using readily available brass and dies, the 257 BS is basically a 6.5 PRC necked down to 257. I formed that case from piece of 375 Ruger basic brass that I cut down, sized in a 338 RCM die, then a 300 RCM die, necked down to 270 with a 270 WSM die, then ran it into a 6.5 PRC bushing die that I just picked up on clearance for $28 from Midway with a .296 bushing first then followed up with a .289 bushing. It could also be made from cut down 8x68s brass.

I haven't decided if I want to use the 6.5 PRC case or use the 300 RCM case though. The 300 RCM would give a longer neck while the 6.5 PRC just makes the whole thing easier.

[jasnt]

Lol I enjoy doing that stuff. Never done anything with so many steps but I have made 243 brass from some mil 308 brass with one of my tests trying to get thicker brass. I think it would have been better if I had turned necks.

[Jonathan_S]

Would be super interested in a .25-06AI to mess with these.  Regular -06 would do well but not get a little extra zip?

The 25-06 is boring, you need to be a guinea pig for my 257 BS (Boondoggle Short).

 6.5 Grendel on the left, 257 BS, 25-06.

I like the look of that. Plus I’ve been thinking about what to rebarrel a short action with that isn’t “boring” or a WSM/SAUM

Might have to hit you up on that in a year or so.

[jasnt]

Would make one heck of a 6mm

[Angry Perch]

Maybe I missed it. What’s the boondoggle parent case?

In keeping with my mission statement of using readily available brass and dies, the 257 BS is basically a 6.5 PRC necked down to 257. I formed that case from piece of 375 Ruger basic brass that I cut down, sized in a 338 RCM die, then a 300 RCM die, necked down to 270 with a 270 WSM die, then ran it into a 6.5 PRC bushing die that I just picked up on clearance for $28 from Midway with a .296 bushing first then followed up with a .289 bushing. It could also be made from cut down 8x68s brass.

I haven't decided if I want to use the 6.5 PRC case or use the 300 RCM case though. The 300 RCM would give a longer neck while the 6.5 PRC just makes the whole thing easier.

Sounds like a Rube Goldberg wildcat!