Tag Archives: MPA570SST

MasterPiece Arms Introduces New (SBR) Short Barrel Rifle

MasterPiece Arms has introduce the new MPA570SST-SBR Short Barrel Rifle. The new rifle is based on the successful MPA57SST 5.7x28mm Pistol. The new MPA570SST-SBR Short Barrel Rifle features a ten-inch threaded barrel with ½ x 28 threads to accommodate an … Continue reading

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