The Trail-Lite has many of the same great features as our Pac-Lite barrels it offers the Buck Mark® pistol improved balance accuracy and a lighter weight. As with all Tactical Solutions products installation of the Trail-Lite barrel on your existing Buck Mark frame is quick and easy and requires no gunsmithing. – Specs: – Weight: 6oz – Twist: 1-16 – Threads: 1/2×28 – Matte OD Green Fluted