Notes: "The M42A scope rifle is a 10mm pulse action semi-automatic
as a sniper
rifle for the USCM. The rifle is issued on a scale of one per company.
laid out in a bullpup configuration, with a casing of 10mm pulse action
semi-automatic rifle. The internal mechanism in the M42A is the same as
that found in an M41a pulse rifle.
is free-floating with a right-hand twist. Barrel options include a flash
brake. Ammunition feed is from a 15-round Match Rounds magazine located
the thumbhole of the pistol grip. The match-standard batched M252 HEAP
Armor Piercing) round has a maximum effective range of 2950 meters. (CMTM)"
Taken From USCM Operations Manual