Monarch Arms has expanded support for the popular Ruger 57 pistol chambered in the 5.7x28mm cartridge with new threaded barrels.
Monarch Arms states “The Monarch Arms threaded barrel for the Ruger 57 pistol utilize4140 steel blanks from Shaw barrels.
They are then finished, heat treated and black nitrided to a beautiful finish.
The barrels are approx. 5.5″ long and come with a knurled thread protector that utilizes a rubber gasket to keep the protector snug without the need for a special tool.”
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