This thread will track my work slicking up my Winchester (Miroku) 1873 rifle. Other than some minor (really minimal) smoothing, my big complaint is the lever safety spring. I know I can run the rifle faster if I can lighten it up.   Ordered some kits.   I ordered 2 kits from SliXprings (includes Firing Pin and Lever Safety Spring). Since some degree of fitting is required with this kit, figured it was best to just order two sets out of the gate. Also ordered their 12GA shot s