I have two sets that may work for you. Please note one has some damage to the toe, the darker one w/o buttplate.
The other is sweet all the way around but does have the annoying little splinters around the top of the buttplate. PM (private message) if you want to.
In addition to those two sets, I have some newer wood sets that do not have a relief for the rear sight boss on the forearm, but would otherwise work. They look like this. You'd need to relieve wood for the rear sight boss, and I suspect you may have small gap along the barrel channel due to the lightweight barrel on your 99C. Not sure on that though.
_______________________________________________________ An 8 dollar driveway boy living in a T-111 shack
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