I also load the Woodleigh 450gn soft with 106gn AR2209 (H4350). Haven't chrono'd yet but is gentle recoil. My 500 3 1/4" was proofed 570gn load but regulated for the 480gn bullet.

Graeme Wright list some nitro for black loads.

AAA Arms and ammo also have some Re powder in stock! Bought some Re22 and Re15 today, finally!

Cheers,

Chris