Originally Posted by
Snipe315
It was my understanding that the new LWRCI UCIW Six8 ammo wouldn't fit into a standard AR15 magazine well.
That was why they made a totally new lower for it.
The problem is with all 6.8 ammo, not just the Federal UCIW Six8 ammo. 6.8 magazines generally aren't very reliable due to the larger case diameter, and they are only 20-25 rounds. The LWRC lower accepts a proprietary magazine, designed by Magpul, that features an optimized double stack configuration, but it won't fit in a standard AR15 magazine well.
--Nick
Owner, Reptilia & Side Project, LLC
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