The Midwest Industries MIAKALPHAFS is a versatile addition suitable for firearms equipped with a 1913 rail adaptor. Primarily designed for rifle use, it is adaptable for use with a Gear Head Works tailhook to convert into an arm brace. Please be advised that a separately sold cosmetic arm brace plug can be used to even out the back beam.The unit boasts an adjustable polymer cheek piece, which allows for enhanced comfort across all user types. The adjustable butt pad is designed to increase usability with plate carriers or heavy gear. The 5 position locking beam, equipped with a textured button, ensures quick adjustments are always within easy reach.Built to last, the product features a heavy-duty side-folding mechanism made from 4140 heat treated steel. It is also a reversible design, catering to the needs of left-handed shooters. Utilizing a full-length locking lug assures maximum strength. Expect a solid positive lock up in both positions as a result.The steel clamp encompasses a large surface engagement and the unit can be configured accordingly for right or left folding. The product is equipped with 3 QD sling attachments for your convenience. Furthermore, it includes a curved, adjustable top surface designed to make a comfortable cheek weld.On addition, this unit extends the total firearm length by 8.0 and adds 0.75 inches to the firearm length when in the folded position. Its construction involves durable, high strength polymer, aluminum, and steel components. Weighing in at 1lb 5oz, it does not add significant weight. This product is proudly made in the USA.