Originally Posted By TANKBUILDER:
Why not work off the MGI receiver and Saiga mags?
Because then it wouldn't be just the upper
Originally Posted By shrikefan:
It is on the AR10.
Good point, I'm not seeing the exact dimensions (with 30 seconds of googling) but that would work too. It would generate ALOT more sales on the AR-15 platform though if it were feasible.