The XTech MAG-ADAPT S365-17xl is the best available Sig Sauer P365-XL mag sleeve from XTech Tactical. This top-rated handgun extension offers better performance and control while adding rounds to your shooting activities. Gun enthusiasts who need extra magazine capacity for personal defense or other uses will enjoy the added stability of the slightly longer grip. Adding more rounds in your hand for ready use with only a slight increase in size is ideal for concealed carry or other holstering applications. XTech sleeves significantly upgrade the already wildly popular Sig Sauer P365 9MM pistol with X/XL frame sizes. Shooters with larger hands or those needing better precision control know this Sig P365-X pinky extension offers considerable benefits for its slight size. Many like to think of it as a 17 round mag conversion for the P365 X/XL. Like all XTech Tactical magazine sleeves, the MAG-ADAPT S365-17xl is easily installed with no special tools. Slide it into place over the existin...