20N29 Rifle powder for .50 Browning cases This Vihtavuori rifle powder was originally developed for .50 BMG and for military use, and even the name 20N29 originates from the Finnish Army standards. 20N29 is a single-based, surface treated powder with grain dimensions of 2,3 mm length and 1,3 mm diameter. The burning rate is slower and grain
Powdergroup: N100
24N41 rifle powder
Vihtavuori 24N41 for .50 BMG Vihtavuori 24N41 is a single-based treated rifle powder very similar to the 20N29. It has a very large grain size (length 2,3 mm by diameter 1,3 mm) and an extremely slow burning rate ideally suited to the .50 BMG. It can also be used for some large capacity cases, such