My mystery cartridge

[BUFF7MM]

Well that narrows it down. Lol
If it is 243 lite. The only thing that I think can be close to those numbers is 6mm Hagar. My 6x45 has pushed an 85 grain bullet right at 2700 and it's a stiff load.
Oh the suspense..

I never made mention of a 243 lite one way or the other.

I got the barrel today and it's all put together except for a muzzle device, it might make a range appearance this Sunday.

 

[j_h_smith]

I'm telling ya its the 6.8 Remington SPC. Gotta be. It's the only cartridge with those ballistics that runs at the AOL of the AR mag. That's why the bullet is set so deep into the brass. 6.8 is equal to a 27 caliber too.

It's the round the military wanted to replace the 5.56 round with. It's a nice compromise between the 5.56 and the 7.62 x 51.

What do I win?

 

[j_h_smith]

Oh, and by the way. The 6.8 barrels use a 5/8" x 24 thread for suppressor or brake.

 

[BUFF7MM]

I'm telling ya its the 6.8 Remington SPC. Gotta be. It's the only cartridge with those ballistics that runs at the AOL of the AR mag. That's why the bullet is set so deep into the brass. 6.8 is equal to a 27 caliber too.

It's the round the military wanted to replace the 5.56 round with. It's a nice compromise between the 5.56 and the 7.62 x 51.

What do I win?

probably nothing, but I wanted to capture your quote so when it's revealed in a few days I've got a record of it.

 

[j_h_smith]

Either way, good luck with the build. I hope it's everything you're looking for. If I'm right, they say it's a great round and should have replaced the 5.56 in the AR platform.

Good Luck!

 

[Mike3888]

I'm telling ya its the 6.8 Remington SPC. Gotta be. It's the only cartridge with those ballistics that runs at the AOL of the AR mag. That's why the bullet is set so deep into the brass. 6.8 is equal to a 27 caliber too.

It's the round the military wanted to replace the 5.56 round with. It's a nice compromise between the 5.56 and the 7.62 x 51.

What do I win?

One thing u forgot. When Buff was looking for a compensator he said he was cheap.. 6.8 brass is not laying around like 556 and it's not cheap to buy. The 6.8 is underrated by most. I'm shooting a 110 Sierra out of 6.8 and it only runs 2490. With that said I'm gonna say his mystery round is .223 necked to .25 caliber or .277

 

[BUFF7MM]

One thing u forgot. When Buff was looking for a compensator he said he was cheap.. 6.8 brass is not laying around like 556 and it's not cheap to buy. The 6.8 is underrated by most. I'm shooting a 110 Sierra out of 6.8 and it only runs 2490. With that said I'm gonna say his mystery round is .223 necked to .25 caliber or .277

And I am cheap, just ask around, you'll see.

 

[dontpanic]

One thing u forgot. When Buff was looking for a compensator he said he was cheap.. 6.8 brass is not laying around like 556 and it's not cheap to buy. The 6.8 is underrated by most. I'm shooting a 110 Sierra out of 6.8 and it only runs 2490. With that said I'm gonna say his mystery round is .223 necked to .25 caliber or .277

Like maybe .277 Wolverine. It matches fps and muzzle energy he described.

 

[BUFF7MM]

Like maybe .277 Wolverine. It matches fps and muzzle energy he described.

I haven't checked the ballistics yet on this cartridge, I'm just going off the info sent to me by the manufacturer. 4570inMd is going to bring his lab radar to do some test and see just how accurite their info is going to be.

 

[Mike3888]

Like maybe .277 Wolverine. It matches fps and muzzle energy he described.

Gee wonder what powder he's using. Lol

 

[BUFF7MM]

Gee wonder what powder he's using. Lol

H335

 

[Mike3888]

Buff be sure to post your test with us, me and dontpanic have discussed that round numerous times. If it been around when I built my 6.8 I would of went that route. Enjoy. Oh what length barrel and what twist. Thanks

 

[BigRick]

7mm TCU?

 

[outrider58]

I never made mention of a 243 lite one way or the other.

I got the barrel today and it's all put together except for a muzzle device, it might make a range appearance this Sunday.

 

[wbw2123]

Did the creator do more than just re-popularize the sub gun/machine pistol?

 

[BUFF7MM]

On the left ************, On the right 6.8 SPC, both dummy rounds.

 

[4570inMD]

...use Gordon's LabRadar to see if my Buffalo Bore .357 rounds are truly MD compliant for deer season...

Bring them up here most any time, we'll get some chrono data. Accurate numbers really refine the reloading process.

4570inMD

 

[j_h_smith]

On the left ************, On the right 6.8 SPC, both dummy rounds.

Bummer.

 

[jimbobborg]

The 6.8 is underrated by most. I'm shooting a 110 Sierra out of 6.8 and it only runs 2490.

I'm shooting a 110gr Accubond at 250fps more

 

[BUFF7MM]

Should I let the cat out of the bag yet or wait until tomorrow?