MasterPiece Arms has developed a new short barrel rifle (SBR) version of the MPA935SST called the MPA935SST-SBR Defender Semi-Auto. The weapon has been designed for accuracy and manoeuvrability in ...

MasterPiece Arms has a new hammer design out for their weapons. It features a spring-loaded disconnect and will begin shipping on all new MPA weapons beginning January 2012. According to MPA, the new ...

MasterPiece Arms (MPA) unveiled its new MPA BA Enhanced Sniper Rifle (ESR) Chassis. This is an enhanced version of MPA’s highly successful BA Chassis System and was designed as a submission for a ...