Midwest Industries MIALPHAM4BSF Alpha M4 Beam Black Steel Folding, Fits 1913 Picatinny Rail Adapter, for Mil-Spec Stocks

Overview

The Midwest Industries Alpha M4 Beam stock is a modular, heavy-duty side-folding stock designed to fit firearms equipped with a 1913 Picatinny rear rail section. Constructed with a 4140 heat-treated steel folding mechanism featuring a mag phosphate finish, it provides a full-length locking lug for maximum strength and a solid positive lock-up in both open and folded positions. The steel clamp utilizes a large surface engagement and can be configured to fold to either the left or right. The modular design is compatible with Mil-Spec diameter AR-15 stocks and features a 5-position locking beam with a textured button for quick adjustment. Its curved top is engineered to mitigate wobble from the skeletonized beam. The assembly includes two integrated QD sling attachments, measures 7 inches in overall length, adds 0.75 inches to the firearm when folded, and has a complete weight of 11.6 ounces.

Price & Stock History

Listings