Say goodbye to the hassle of constantly screwing and unscrewing your pistol caliber suppressor when switching between platforms like your SP5 and AR9. The Alpha Trilug Adapter by Blue Collar Weaponry is the ultimate solution for shooters who demand quick, seamless transitions without sacrificing performance. This innovative adapter allows you to effortlessly mount your Alpha-series ( Pistol ) device onto your suppressor, enabling rapid swaps between multiple firearms while keeping your suppressor securely in place.