True Precision True Precision X-Fluted Barrel for Sig P365 XL. The XL offers standard features such as XRay3 day/night sights, extended slide, and the new 365 XSeries grip module with an extended Which is available in seven stunning color options. Save big on a new sig p365 xl. The best price for sig p365 xl for sale online. Click here to read more. Handgun Barrels & Accessories. Yes, it is the NRA edition, but that aside, do you like it in FDE? Sig Sauer Flat Trigger, Trigger Bar Spring and Trigger Pin included. Get the best deals for sig p365 xl accessories at eBay.com. What do you think of the @SIG SAUER, Inc P365 XL in full FDE? P365 XL TYPE: Semi-Auto Pistol ACTION: Striker Fired FINISH: Nitron® STOCK/FRAME: Steel Frame