..... for those not aware of this .....
Spolar
RCBS
Ponsness-Warren
Hornady-Pacific
All use the same style AND SIZE of bushings! And are inter-changeable with one another!In other words, one can mix and match bushing with one another!
Only "diff" is some busings from some companies are aluminum vs steel for other makes.
This feature however, does not work with MEC! If you use MEC, you can
only use MEC bushings [and bars].