The cost for anodizing a stripped receiver is $35.00. We also recommend the final coat of black teflon, which is an additional $30.00. We cannot guarantee a specific color match to a receiver which we did not finish. Your best bet is to have both done together if you need to have a color match.
Turnaround times vary, as they are done in batches to keep costs down. If your upper happens to come as we're preparing to do a batch, it could be done within days. If it comes right after a batch is completed, it could take 4 to 6 weeks ot get enough to do a batch.