As I understand it, WXR is Rel-22 in a different can.
Not according to this.
Burn rates (faster to slower):
152. H4831 (Hodgdon)
153. MRP (Norma)
154. Reloder 22 (Alliant)
155. WW785 (Winchester)
156. H450 (Hodgdon)
157. Mag Pro (Accurate)
158. N165 (Vihtavuori)
159. WXR (Winchester)
160. 7828 (IMR)
