2. Install match grade barrel -- 10%
3. Fit / install accuracy bushing -- 20%
4. Minimum chamber headspace -- 10%
5. Eliminate rear barrel side play -- 20%
6. Consistent full barrel lug engagement -- 20%
All 'new barrel' items - 80%.
Kuhnhausen forgot more than I'll ever know, but truly top 1911 guys rate him about a 6 out of 10. Kuhnhausen has some incorrect ideas about unlock timing. Not a big deal until a guy starts operating a 1911 on the edge.
