MDT chassis on the way; which mag would handle both 270 and 6.5 creedmoor?

Got a Savage long action DRAKE / MDT chassis on the way, now the question is which magazine to get...

Have a mcGowan 270 win target barrel, and a 6.5 creedmoor Shilen target barrel, and like to get a magazine for the chassis that will handle both. I currently have the 6.5 mounted on a long action and managed to make it feed the 6.5 by a lot of tweaking the metal feed lips (out of the factory long action mag)

Anybody knows which of the following mags has the longer feed lips , MDT or the Magpul Pmags? (or perhaps another one?)

Thanks!

It would have been a good idea to research this sooner.
MDT metal mags.

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MDT Metal Magazines - Long Action, are manufactured for .300WM, .338LM and 300 PRC calibers with a capacity of 5 rounds based on magnum rounds. The .300WM can also be used for 7mm, 30.06 and 6.5x55 calibers. In some cases the feed-lips may need to be bent. The maximum cartridge overall length that will fit in this 3.715 magazine is 3.615.

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Pmag

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Compatible with long action AICS (Accuracy International Chassis Systems) pattern bottom metal and cartridges built on a 0.470" case head such as .30-06 Springfield, .25-06 Remington, .270 Winchester, .280 Remington, 8mm-06, and others*
Accepts a cartridge overall length of up to 3.50"

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The creed will feed the same as it would from a savage 30-06 magazine. Slow and steady.

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Originally Posted by Robinhood

It would have been a good idea to research this sooner.

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yes, but got a deal on the chassis, so jumped on that first :) Going with polymer MDT or pmags probably.

Not shelling out $80plus for a magazine. Question still stands, which one of these 2 has the longer feed lips / is more likely to deal with both 270 and 6.5?

Im sorry if that was offensive. It wasn't my intention. I was focusing on what was to be gained by longer feed lips. I believe there is something to be lost when the 270 cartridge is being used.