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Lage Manufacturing

MAX-31 mk2 Upper Receiver

MAX-31 mk2 Upper Receiver #504


Slow fire upper receiver for use with the M-11/9 SMG. Uses 72 and 50 round Suomi M31 9mm magazines.

Backordered- Add to waiting list

Barrel Upgrades-

The MAX-31 mk2 comes standard with a 1/2-28 barrel thread and a flash hider installed. The optional 3/4-10 thread is the original OEM thread of the M-11/9 SMG, for use with the standard M-11/9 suppressor. Select one of these options for a different barrel thread. Only select one.

3/4-10 Barrel Uprade +$20.00

3-lug Barrel Upgrade +$104.00


Manual Video