223 REM 55GR Federal Tactical TRU® Sierra BTHP (T223E)223 REM 55GR Federal Tactical TRU Sierra BTHP (T223E) is part of the Federal Tactical TRU product line; specifically designed for use in semi automatic rifles or "Urban Rifles" such as variants of the M 16 or AR 15. TRU bullets are specifically engineered, ranging from fragmenting designs for tactical entry to deeper penetrating bullets. This is particularly important for use in urban settings. Quantity 100 rounds 500 rounds Manufacturer Federal