Pistol braces (also called stabilizing braces or arm braces) remain a popular accessory for large-format pistols like AR-15 and AK builds. They provide forearm support and improved stability without turning your pistol into a short-barreled rifle (SBR) under current federal guidelines. Whether you’re building a compact home-defense pistol, a range toy, or a truck gun, choosing the right brace makes a big difference in comfort, control, and portability. Here are the 5 main types of pistol …