APC9 Pro Semi Auto SIG320 Trigger Group
Use to allow your existing B&T Pro APC9, APC9K, APC9SD, or GHM to accept SIG P320 mags with no additional modifications!
Please refer to the different bolt profiles pictured. Also compatible with original (non-Pro) variants BUT requires that the bolt be cut to function. For bolt machining options please contact B&T USA.