Midwest Industries Alpha Series Folding Stock Springfield XD9 9 Extra wide and sturdy black FLC FX773009442REG Extra wide and sturdy black binding provides reinforcement for snaps Will my duty size pistol fit inside this fanny pack MPN: MI AK ALPHA FS Adjustable polymer cheek piece for comfortable use with all users Adjustable butt pad for increased usability with plate carriers or heavy gear 5 position locking beam with textured button for quick adjustment Heavy duty side folding mechanism constructed from 4140 heat treated steel Reversable design for left handed shooters Full length locking lug for maximum strength Solid positive lock up in both positions Steel clamp with large surface engagement Can be configured to right or left folding