Favorite 6mm BR Loads,20 Merged Posts)
I'll throw in some data for the guys that like light bullets. I had a 21 1/2" HS fluted barrel,light varmint), .265 neck match standard match chamber. I shot my 60's at 3550 with 33.5g of H335 with a 7 1/2 primer,205's too thin cupped for this load). My bullets have a .2433 shank with a .2436 pressure ring.
In a 27" barrel, this same load shot 3750 fps. Accuracy is extreme,Gene Harwood set a NBRSA 100 yd record with the 60's at 3700 fps with 335).
Due to variations in lots of 335, I would start off at 31.5g and work up. In the guns that I have shot, the hotter the load, the more accurate it got...every gun is different.