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+--- Thread: Max coal for a howa mini mag? (/showthread.php?tid=21215)
Max coal for a howa mini mag? - Muleman - 05-11-2020
Just wondering if a 6x47 would fit in a 223 mag?
Max coal for a howa mini mag? - jason miller - 05-11-2020
Not very well. Unless you are already set up on dies or already have a .223 donor, it would make more sense to rebarrel a Grendel to 6mm. Or, you could wait until Hornady likely announces a factory 6mm Grendel at SHOT this year, called the 6 mm ARC.
The shorter Grendel round would provide more COAL leeway, as well as a little more juice. If going 6x47, youd probably want to stick with ~85 grain bullets or shorter.
Max coal for a howa mini mag? - Muleman - 05-11-2020
Yea, you're right. I was just looking at the 6mmAR numbers, I bought a 223 mini for a donor and discovered it shoots itty bitty groups right out the box. I was going to do a 6mmTCU. Time to switch gears.
Thanks
Max coal for a howa mini mag? - A5BLASTER - 05-11-2020
Muleman Wrote:Just wondering if a 6x47 would fit in a 223 mag?
If you mean 6x47 lapua then, no it won't fit.
If you meant 6x45 as in 223/556 necked up too 6mm then yes it would work.
Max coal for a howa mini mag? - JSH - 05-11-2020
Original 6x47 = 6-222 magnum
Going the 6TCU not enough argue over a cup of coffee with the 6-222 magnum.
Max coal for a howa mini mag? - jason miller - 05-12-2020
Muleman Wrote:Yea, you're right. I was just looking at the 6mmAR numbers, I bought a 223 mini for a donor and discovered it shoots itty bitty groups right out the box. I was going to do a 6mmTCU. Time to switch gears.
Thanks
You forgot rule number one- Never shoot the donor!
Hard to unscrew an accurate barrel. Id get a Grendel or 7.62x39 to rebarrel if you still want something 6mm and arent stuck on the 6x47.
Heck, if you wait a year, maybe theyll become available from the factory if this 6mm ARC makes it to market.