Defiance Wyatt's Ultra Mag Cut?

kb1

Sergeant
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Full Member
Minuteman
Supporter
Dec 12, 2004
381
119
Colorado
So the receiver has a mag cut that is .110 longer. The cut is in the rear of the receiver. Does this mean it is possible to use CIP length 338 AICS mags with a BM like the APA RTG CIP? Or is the cut different? Trying to put together a 300WM, an it would be nice to be able to use a bit longer mag.