9a73cd40 Posted June 21, 2026, 12:05 PM 92 views 4/5 difficulty

My UMP 11/9
Using the MPRTech and remix files in Overture Super/Professional PLA+ for the body and Polymaker HT PLA for the magazines.
MPA bolt, Senjutsu-TekinaSeido hardware and trunnion kit, slim 9mm blastcan.

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