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$1095.00Slow fire upper receiver for use with the M-10/9 or M-10/45 SMG. Uses 72 and 50 round Suomi M31 9mm magazines or DC-31 30 round stick magazines.
Features include a 16-3/4" long accessory rail on top and hard mount points for additional M1913 rails on right and left side of front handgrip. Bottom rail is integral. Contained within the upper receiver is a heavy weight bolt assembly with a longer length of travel than the stock M-10 upper receiver . This reduces the rate of fire (ROF) from 1,100 RPM down to around 600 RPM. Due to the reduced ROF and longer bolt travel, muzzle rise is reduced, the gun feels much smoother in operation and easily stays on target. The MAX-10/31 attaches to the stock M-10 lower receiver without any modification to the lower receiver and uses your existing retaining pin. 50 round M31 "Coffin" magazines and DC-31 30 round magazines can also be used with the MAX-10/31. Suomi 36 round double feed magazines are not compatible.
The picture above shows a MAX-10/31 with additional Lage Mfg. accessories that are not included with the MAX-10/31 upper receiver. Registered lower receiver is not included.