My current collection of Badlands Precision bullets, from left to right:
View attachment 251824
.224 70gr Super Bulldozer-2 . . . Will shoot these in a 7.5 twist Brux barrel - 22 Creedmoor.
.284 145gr Bulldozer-1 . . . . . . . Have shot these with good accuracy from 9 and 9.5 twist barrels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7mmRM and 280 Improved.
.308 196.5gr Bulldozer-1 . . . . . . Have shot these with good accuracy from a 9.4 twist CFW barrel - 30 SM.
.308 205gr Super Bulldozer-2 . . Will shoot these in a 8.5 twist Bartlein CFW barrel - 30 SM.
.338 275gr Bulldozer-1 . . . . . . . .Have shot these with good accuracy from a 10 twist 338 Rogue.
.338 275gr Super Bulldozer-2 . . Will shoot these in a 8.5 twist Bartlein CFW barrel - 338 Rogue.
The latest SBD-2 bullets have a single forward relief cut in their bearing surfaces. This will be nicer for seating bullets farther out in the case necks.
The original BD bullets had two relief cups/cuts in their bearing surfaces. Easily visible in the above photo.