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NFA Warning
These upper receivers are designed to be used with the M-10/9 or M-10/45
submachine gun. NFA (National Firearms Act, Title 26, United States Code)
rules apply to their use and possession.
It is the owners/users responsibility to comply with all local, State and
Federal laws and regulations in the use of these products.
Possession of these upper receivers with a semi-auto M-10/9 or M-10/45 lower receiver is illegal and potentially dangerous.
NOTE: Our MAX-10 mk2 upper receivers may not fit all Jersey Arms Works (JAWS) guns.
Texas Leatherwood guns may require fitting of the upper, due to variances in manufacturing and post manufacture welding.