Midwest Industries is proud to announce the Alpha Series M4 Beam. This easily installed stock adapter allows the end user the ability to add whichever milspec stock they would like to their side folding beam design. This is achieved by connection to a 1913 interface.

Features :

• Heavy-duty side-folding mechanism constructed from 4140 steel
• 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
• Modular design can accommodate different stock attachments
• 2 QD Sling attachments
• Compatible with Mil-Spec diameter stocks