BUL Israeli-made BUL M-5 Series Handguns. Developed by a diverse team of experts comprised of championship-level IPSC competitors, combat veterans, Israeli Special Forces operatives, and ergonomics experts, the M-5 series handguns are the ultimate evolution of John Browning’s legendary Colt 1911A1 design – widely regarded as the world’s best and most reliable combat handgun. BUL takes the venerable 1911 into the 21st century, incorporating a long list of the latest high-tech innovations and refinements in their mission to build handguns dependable enough for combat operatives yet refined enough to be competition ready right out of the box.