The Sierra Matchking (SMK) is a tangent ogive with a ballistic coefficient that makes it a bit slow and more wind-affected compared to VLDs and other sleeker secant ogive types; you'll find maybe 200 fps slower at 600 yds for same starting MV. BUT the SMKs shoot well and are less finnicky with seating depth and lands jump or jam. I have regularly shot 1/2 MOA on elevation but struggle with windage from a Savage mod 10 repeater; 24" 1:10 twist. For target, these are great up close less than 600 yds but pack some VLDs too for if the breeze picks up. If you have a rifle that doesn't group the SMKs will tell you if it can...or not. The TMK Sierras are much the same but a fair bit more expensive; it depends on how much you want to spend to put holes in paper.