I would say that the low point of 29s had to be the -3. Loss of P&R and the finishes not quite as nice as 29-2 and older. The -4 thru -6 had the endurance upgrades, so I rate them better than the -3. Also, after -6 the MIM (cast) parts (hammer & trigger) come into being, and I personally don't like them, although others find no fault in them. So IMHO, to rate the 29s, it would go something like this:
1. 29-1 and older
2. 29-2
3. 29-5
4. 29-4 & -6
5. 29-3
Not a thing wrong with the 29-3s (I have a few), but the above are my personal preferences.

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ken
SWCA #1959