not really... they've just worked for decades, and one doesn't need to reinvent the wheel every season to be up on what the 'egg spurts' call the latest and greatest...
How does the 154 work with the Seafire Signature load of 40 grains of 3031?
RM
"An archer sees how far he can be from a target and still hit it, a bowhunter sees how close he can get before he shoots." It is certainly easy to use that same line of thinking with firearms. -- Unknown
