Rost Martin RM1 Barrel Features The Rost Martin RM1 Barrel is machined from steel for durability under repeated firing cycles giving shooters confidence that the part will hold up to regular range use and duty carry alike. Its 3.6 inch length matches the factory specification for the RM1 ensuring proper slide cycling and consistent lockup when installed. The serrated slide description reflects the barrel s fit within the RM1 s slide assembly contributing to smooth reliable operation. Chambered in 9mm this barrel suits shooters who want a dependable factory replacement without hunting for aftermarket parts of uncertain fit. At 1.1 inches wide the barrel is sized to drop into the RM1 pistol without requiring modification simplifying installation for owners comfortable with basic pistol maintenance. Replacing a barrel is one of the most common upgrades a pistol owner makes whether due to wear damage or a desire for a fresh factory component. This Rost Martin barrel gives RM1 owners a straightforward path to keep their pistol running at its best. Its steel construction and factory dimensions make it a sensible choice for anyone maintaining their RM1 for the long term. Rost Martin RM1 Barrel Specifications Manufacturer: Rost Martin Model: RM1 Barrel Caliber: 9mm Barrel Length: 3.6 Slide Material: Steel Slide Description: Serrated Width: 1.10 Available At: GrabAGun