We now carry a small assortment of RCS 38mm nozzles and fiber washers as a convenience to our customers who purchase AT compatible casting tube and liner sets. Check out more goodies at www.rocketmotorparts.com.
RCS Brand Glass / Phenolic Nozzles (can be drilled out easily to the proper throat)
Note: Depending on the fuel formula, you can get a couple uses out of each one.