Sierra MatchKing (SMK) bullets are the benchmark for precision, delivering unmatched accuracy and ballistic efficiency. Designed for long-range performance, they feature high BC and ultra-tight tolerances for reliable, consistent results. 140 Grain (Item #1740): G1 BC: 0.535 | G7 BC: 0.264 | Standard HPBT | UPC: 09276301740 142 Grain (Item #1742): G1 BC: 0.626 | G7 BC: 0.303 | Closed Nose (HPBT-CN) | UPC: 09276301742 150 Grain (Item #1755): G1 BC: 0.713 | G7 BC: 0.354 | Closed Nose (HPBT-CN) | UPC: 09276301755