Stand 1 Armory 223 77gr Sierra TMK 77g Sierra Tipped Match King (long-range precision): These polymer tipped 77g Sierra TMK bullets buck the wind very well and produce extremely consistent results at distances out to one mile. These are the best long-range 223 bullets on the market, and are carefully loaded in new brass. Our precision ammo is designed, tested, and manufactured to exacting standards. The goal was to create something that would shoot better than the best hand-loaded and specialty precision ammo out there, and this round delivers. Extreme spread and standard deviation of velocity are very low, for consistent, repeatable results. Test it against your favorite ammo -- we are certain you won't be disappointed! Matchkingby Sierra Bulletshave been used to win more target shooting competitions than all other manufacturers combined. The enhancedacetal resin tippedTipped Matchking (TMK)offers a further reduction in drag, producing a better ballistic coefficient, along with more reliable feeding.