by Shooting Illustrated Staff posted on April 21, 2011 Optics Support NRA Shooting Illustrated DONATE XS Sights are excellent aftermarket additions to any defensive firearm. In this article handgun sights, iron sights, rifle sights, shotgun sights, Tactical, tritium, XS Sight Systems Related Stories XS Sight Systems Using Iron Sights on an AR-15 Gallery First Look: XS Sights R3D 2.0 Tritium Night Sights for 1911 Pistols First Look: XS Sights R3D 2.0 Minimalist Tritium Night Sights First Look: XS Sights For Heckler & Koch Pistols Most Popular .22LR For Self-Defense? New Large Format Pistols for 2024 First Look: Breda Competition Shotguns New Pistols for 2024 Understanding the FBI’s Ammo-Testing Protocol Body Language and Personal Defense