Trinity STRIKER barrel kit for Tippmann A-5, X-7 AND BT MARKERS. 9" barrels features true tactical milling with internal polish honing. Realistic outer Striker Shroud features an integrated front site. Great for those wanted the Submachine Gun MP5 look. Can be used with any marker that accepts a Tippmann A5 threaded barrel. The shroud is removable and has 7/8" front and rear holes.