How do I get the rail gun in Fallout 3

How do I get the rail gun in Fallout 3 Video Clips.

On show how to learn all patterns and parts for the gun rail, and a little 'demo of it! Enjoy!

Keywords: fallout, railway, rifle, rail, spike, way, gun, megaton, steam, gauge, assembly, schematics, crutch, pressure, cooker, fission, battery, fort, constantine

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