My brother and I bought 4 bottles of it about 2 and half years ago. My brother never liked it in his long range hunter. I love it in my mk85. Other then clump a little bit if it sits more then a couple of months I have not had any problems with it. After my stash of powder is gone I will be probably going back to triple 7. I have done searches online to see if I can find a store that may still have some bm3 but no luck.