A 9mm single-stack is an easy gun for concealed carry, and the Springfield Armory XD-S Mod.2 offers some upgrades that make it an even better option, including the modified frame and grip texture, and optional night sights.
Colt's Combat Elite series offers a family of 1911s - the Defender 3" barrel, Commander 4.25" barrel, and Govt 5" barrel models - with a slew of the same features to handle everything from competition to concealed carry. Plus, a tip on running 1911s from Colt's Mark Redl.
Aiming the Mossberg Shockwave can be a challenge... Enter the Crimson Trace LS-250 Lasersaddle laser sight. Available in both red and green lasers, with three-point activation and an external battery pack, plus an option to mount a rail if using it on the Mossberg 500/590.