243 loads-70 gr w/AA XMR 4064

[durango]

Has anyone had any success with AA XMR 4064 and 70 gr Sie in 243? The Sierra manual and accurate labels differ by about 2 full grains-any load suggestions? This is a new build for me, so I'm starting from scratch. ( R-P brass) Thanks for any comments, Steve

[keeki]

im shooting 42.4gr of IMR4064 with 70gr blitzkings .015 off the lands. thats good for around 3600fps and 5 shots that i cover with a dime @100yds

[82boy]

Be careful with reloading and differing from load data, you should match the exact powder name and brand to what is in the loading manual. You need to watch numbers, what number in AA may or may not be close in burn rate to IMR or Hodgdon. When in doubt contact the powder manufacture.

[gotcha]

Ditto !