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Page Armory » Sig Rifles
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Archived [ARCHIVED THREAD] - MCX Lower Options
Posted: 8/18/2020 2:24:59 PM EDT
I have a spare MCX complete lower... just wondering... what are my options for this? Is there any possibility to build a 6.5 Grendel upper that will work on this? Brownell's BRN-180 upper? AR-180 upper?

Or is the sole option a MCX/Virtus/Rattler upper?

Link Posted: 8/20/2020 6:59:32 PM EDT
[#1]
Brownells upper will work, but there will be a goofy gap near the end of the receivers since the MCX receiver is taller than a standard receiver.

I think Faxon makes (or made) some uppers that didn't require a buffer tube.

Alternatively - If you're willing to sell it, PM me, I would love to buy it.

Link Posted: 8/22/2020 1:19:23 AM EDT
[#2]
Thanks very much for the info! Will keep it in mind if I decide to sell.

Archived [ARCHIVED THREAD] - MCX Lower Options
Page Armory » Sig Rifles
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