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366 Posts
Pictures of my UMP conversions. One on the right built in 2007 and one on the left just finished this month. FBI lower on right, hand-crafted expanded magwell on left. Compliance (922r) parts in both. Got an HDPS ACE stock block for one when my 2nd FBI lower comes in...slots will be cut in both in due time. Oh these things are addictive. Cheers!
SBR is next... gotta do the paperwork soon.

SBR is next... gotta do the paperwork soon.