Tikka mags: Orange, 223, flush, etc. project / future product

The 2.55 of Tikka length is probably sufficient as the arc is designed around ar mag lengths. However the fatter case provides less case head presentation in a 223 spec mag. A lil wider feed lip would likely be better for the bolt to have more case head to purchase on. This is just speculation on seeing photos of guys showing the arc cases in 223 mags.

Agreed - an ARC mag would be great.
 
So I took a swag at printing some 6 arc dummy rounds to play with. Seems like they function in the normal M mags fine. I was stripping them into my 6cm so not like I could run the bolt fast since they aren’t engaging the extractor.

What is the goal folks are after, a shorter COAL version of the medium caliber mags?

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So I took a swag at printing some 6 arc dummy rounds to play with. Seems like they function in the normal M mags fine. I was stripping them into my 6cm so not like I could run the bolt fast since they aren’t engaging the extractor.

What is the goal folks are after, a shorter COAL version of the medium caliber mags?

View attachment 941782

I don't have a 6 ARC barrel installed yet, but using my 223 mag, I can feed 6 ARC, but they snag on the front of the mag a bit (probably from sitting a bit low).

To answer your question - yes, I think I'd be looking at an M mag with slightly shorter COAL for 6 ARC. I was set on buying a Waters mag, but $180 + shipping is pretty steep.
 
I don't have a 6 ARC barrel installed yet, but using my 223 mag, I can feed 6 ARC, but they snag on the front of the mag a bit (probably from sitting a bit low).

To answer your question - yes, I think I'd be looking at an M mag with slightly shorter COAL for 6 ARC. I was set on buying a Waters mag, but $180 + shipping is pretty steep.
What coal do folks want? Does anyone have one up and running already? It’ll be a bit till the quoted spring run but I can make some testers that would used factory springs (user to provide their own) in the meantime.
 
I had contacted Duramag about their flush fit mags for the RAR at one time and they told me that the ARC/Grendel mags had a COAL of 2.346”.
Just as a reference for you.
 
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