A 10.5″ 5.56 pistol kit gives you everything you need to build a compact, hard-hitting AR-15 pistol chambered in 5.56 NATO. The 10.5 inch barrel keeps things short and maneuverable without sacrificing reliable cycling. At Daytona Tactical, we stock 10.5″ 5.56 pistol kits from trusted brands at competitive prices, ready to ship fast across the USA.