I can't like it when bullets who may carry the same name, like SGK, get all lumped together as if they were all the same bullet of the same exact design, just in different calibers. That is because they are not, nor close. Even bullets of same caliber are listed as SGKs, but still all very different. So when one says SGKs have been erratic, unless you are talking about one specific offering, it really means nothing. You may as well be talking of 2 or more different brands.......
