Mate had a large quantity of 747 that he used in a range of cartridges, not just 223. An excellent powder. Also has a lower flame temp so in theory a little kinder on throats although others theorise...
Type: Posts; User: zimmer
Mate had a large quantity of 747 that he used in a range of cartridges, not just 223. An excellent powder. Also has a lower flame temp so in theory a little kinder on throats although others theorise...