JSB are launching a 10.03 grain slug in 4.51 . It appears to have a deep base cavity, like a normal diabolo, the cynic in me wonders if it's drag stabilised too.
https://www.facebook.com/17173571620...4084401971812/
JSB are launching a 10.03 grain slug in 4.51 . It appears to have a deep base cavity, like a normal diabolo, the cynic in me wonders if it's drag stabilised too.
https://www.facebook.com/17173571620...4084401971812/