THE TRAIL-LITE HAS MANY OF THE SAME GREAT FEATURES AS Tactical Solutions' 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. RSR -