Bond Arms BAPB Papa Bear 45 Colt/410 Pistol Single 45 Colt (LC)/410 Gauge 3" 2 Round Rubber Stainless. The Papa Bear by Bond Arms is available in .45 Colt (LC)/.410 gauge and is compatible with all Bond Arms interchangeable barrels. It features a cross-bolt safety and extend rubber grips. Its spring-loaded cammed locking lever allows for a tighter barrel/frame fit and rapid loading and unloading.