Professor Parabellum - The Table Leg Typewriter by Practical Scrap Metal Small Arms Volume 10. 10-Professor Parabellum

Author:Practical Scrap Metal Small Arms Volume 10. 10-Professor Parabellum
Format: epub

Barrel For legal reasons the demonstration model pictured was built with a non-functioning dummy barrel which is permanently blocked and destroyed by a combination of drilling, cutting and welding. The diameter of the barrel is 16mm (15.88). Alternatively the inner collar tube can also be obtained with a 2.5mm thick wall which will accept a15mm diameter barrel. As with the bolt, the barrel and collar are assembled in an identical manor using two lengths of square tube. The barrel collar sleeves down to 16mm which will allow a 16mm (15.88mm) tube to slide perfectly in place. The square shape of the collars will allow steel plate to be shimmed inside to fit any desired barrel size. A feed ramp is formed as part of the collar which is ground to shape using a dremel fitted with a grinding wheel. The barrel is inserted flush with the opening and welded in place at the front making sure not to overheat. The collar itself is positioned directly in front of the magazine-well opening and retained with either four M5 x 5mm bolts or plug welded in place on either side.

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