Models 10 & 12 use the exact same bolt. As well as all the others. Save for a few that use the Axis style bolt....which doesn’t apply. Of the classic model’s bolts, they can use the same lift kit. There are a few different lift kits. But I still like the DIY kit.
There are a couple things, in addition to the lift kit that really makes the whole thing work very well. Smoothing/polishing the cocking pin ramp, is imho, a necessity. I also lighten firing pin spring. But would not rec. unless you know exactly what you are doing, as you risk light primer strikes. I also use a Silicone Nitride, ceramic ball bearing in mine. But my bolt is only polished, and does not use the nub. My bolt lifts with one finger after trigger release. SUPER easy! Love it.
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