Well might as well put it out there for the world to see.
HB bullets are a whole different animal, they have a softer push. Absorb short start pressures better and even out pressures better in general compared to their solid based counterparts.
Step 1:
Make a dummy round, make sure the bullet is set deep enough to:
have the crimp grab something on the bullet & not be seated sooo long the bullet sticks out the end of the cylinders.
Step 2:
Now that you have found your oal for a hb bullet, you should measure the depth of the base of the bullet that is seated in the case. Compare that bullets length/depth to a known bullet that you load. Hence new hb bullet ='s .370" base of the bullet seating depth and your favorite 200g swc .400" base of the bullet seating depth.
Step 3:
Do the math.....
Compare seating depths and make them the same (same amount of bullet seated in the brass). Keep in mind that a hb bullet takes up less volume than it's solid base counterpart. Use starting loads for the powders you have.
I'd be looking at:
4.0g of:
bullseye
reddot
4.3g of:
greendot
4.8g of:
unique after you tried the loads above for any of the hb bullets you have.
Then adjust from there, those are all safe starting loads. You'll find that using a hb bullet will take away any pressure spikes & equalize the pressures in general, hence accuracy.
A little background:
I currently use/shoot 14 different hb bullets in 7 different calibers. Look for "TARGET/Bulleye" loads for the caliber/weight of the hb bullet in question for what your trying to load.
Something to think about
:
A hb bullet made for a 38s&w (150g hb rnfp). Loaded in a 9mm with a 38s&w target load of 2.0g of am select (american select). This was only playing around @ 50yds trying this combo for the 1st time.
Start low/target loads and enjoy.
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