S.W.D. Incorporated M-11/NINE 9mm Machine Gun with Lage MAX-11 Upper and MAX-11/22 .22 LR Conversion Kit, Threaded 5.25 in Barrel, Wire Stock
This S.W.D. Incorporated M-11/NINE stands out with its included Lage Manufacturing MAX-11 upper receiver group and MAX-11/22 .22 LR conversion kit. The receiver carries the Cobray serpent logo and period-correct markings from the 1980s, and the platform retains its classic open-bolt blowback operation with a threaded 5.25 in barrel. A full-length top rail, flip-up sights, and a ventilated handguard come with the MAX-11 upper, while the .22 LR kit includes a dedicated bolt, barrel insert, and proprietary magazines.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: The firearm presents with scattered scratches and blemishes, including brass-colored marks on the receiver and trigger guard.
What’s Included
- No packaging included
- Lage Manufacturing MAX-11 upper receiver assembly with full-length top rail, flip-up sights, ventilated handguard, and a threaded muzzle device
- Polymer skeleton buttstock assembly (separate/uninstalled)
- Lage Manufacturing MAX-11/22 .22 LR conversion kit with bolt and barrel insert
- Original Cobray polymer grip panel (uninstalled)
- Wrap-around finger-groove grip sleeve (installed)
- M-11/9 magazine loader
- Hand strap
- Bore rod
- 1x 30-round 9mm stick magazine
- Dedicated .22 LR polymer magazines marked "Lage M-11/22 by Black Dog Machine LLC."
The receiver is marked "M-11/NINE mm S.W.D. INCORPORATED" with the Cobray serpent logo and SAFE/FIRE selector markings on the right side. It uses a top-mounted, knurled "hockey-puck" charging knob with a rectangular right-side ejection port. The action is open-bolt blowback, and the barrel is steel with a stepped shoulder and threaded muzzle.
The factory wireform two-rod stock is a telescoping, rotating steel design, and the length of pull measures 15.5 in. A triangular front sling/strap plate is present, and a hand strap is included. A wrap-around finger-groove grip sleeve is installed, with the original Cobray polymer grip panel included uninstalled.
The included Lage MAX-11 upper assembly adds a full-length top rail, flip-up iron sights, a ventilated handguard, and a threaded muzzle device. This package provides a ready upper receiver group tailored to the M-11/NINE format.
The Lage MAX-11/22 conversion kit equips the gun to run .22 LR with a dedicated bolt and a barrel insert, accompanied by proprietary polymer magazines marked by Black Dog Machine. Comes with a Max11 upper receiver group as well as a 22lr Conversion kit.

