Jan 17, 2011 #1 M mjs300wby Beginner Jan 17, 2011 2 0 If anyone has load data for the 300 wby mag using WC860 powder I would like to here about it and get your recommendations on its use in this caliber.
If anyone has load data for the 300 wby mag using WC860 powder I would like to here about it and get your recommendations on its use in this caliber.
Jan 18, 2011 #2 A Antelope_Sniper Handloader Jan 25, 2008 2,618 0 WC860 is surplus .50 caliber powder, it is very slow. Most lots are about 8% slower then H870. Start with H870 data, and work up 8% above, with a good heavy bullet.
WC860 is surplus .50 caliber powder, it is very slow. Most lots are about 8% slower then H870. Start with H870 data, and work up 8% above, with a good heavy bullet.
Jan 19, 2011 Thread starter #3 M mjs300wby Beginner Jan 17, 2011 2 0 Thanks for the info,I haven't bought the powder yet, still deciding if it's worth changing to for cost cutting price per round in the 300 WBY
Thanks for the info,I haven't bought the powder yet, still deciding if it's worth changing to for cost cutting price per round in the 300 WBY
