Midwest Industries Alpha Series Folding Stock Shadow Systems MLS 16 Option: Choose with Byrna MLS 16 Option: Choose with or without the MLS 16 (MOLLE Locking System Accessory Locking Fork) Armor ready: Compatible with hard or soft armor panels 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 Shipped for rifle use