300BLK 190GR Speer Gold Dot Tipped Subsonic (24484)300BLK 190GR Speer Gold Dot Tipped Subsonic (24484) Gold Dot Duty Rifle bullets are optimized for expansion at a range of velocities out to 200 yardseven out of barrels as short as 10 inches. In addition, these loads boast outstanding feeding in short, very short and standard length AR platforms. Like their handgun counterparts, these rifle bullets are constructed using Gold Dot technology. The patented process of joining the jacket and core