Possible correlation between feeding and how worn an M1 Carbine is?

[DaveHH]

I look at the slide and think that a single recoil spring has to induce some side loading, so grease the slots along the side of the barrel and receiver notch on the right side. In addition, I use the white GI oil which stays where it is put and works great. A lot of those worn out slides are caused by WD40 or 3-1 oil use. Amen to what Bruce says. How can an assembled bolt be considered clean by soaking in some solvent or boiling it? The holes for the plunger are full of carbon, dirt and unburned powder. The fact that the parts are much smaller than the big rifle makes cleaning them and looking at them that much more important.

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