The KAOS stock system series revolutionizes your tactical setup by transforming your rail-bipoded Havoc launcher into a versatile stand-alone weapon system. Designed for seamless integration, it is fully compatible with a wide range of aftermarket AR-15 stocks, latch plates and pistol grips, offering unparalleled customization and adaptability. Whether you're enhancing your current gear or building a new configuration, the KAOS stock system provides the flexibility and performance needed for any mission. Experience the ultimate in modular weaponry with a system that adapts to your needs, ensuring reliability and precision in every operation. Spike's Tactical Pro Grip Mil-Std-1913 picatinny top rail Mil-spec buffer tube, latch plate and castle nut Tactical M4 stock by Spike Compatible with 9 inches rail mounted havoc launchers