Description
The Midwest Industries Alpha Series M4 Beam Side Folder is a side-folding stock adapter designed to accept Mil‑Spec diameter stocks and interface with a 1913 Picatinny rail. Its heavy-duty folding mechanism uses 4140 steel with a full-length locking lug to provide a positive lock in both extended and folded positions. The modular design accommodates a variety of stock attachments while adding minimal weight and length to the host firearm.
Key Specifications
- Folding mechanism constructed from 4140 steel.
- Complete assembly weighs 11.6 oz.
- Adds 7.0 inches to overall firearm length.
- Adds 0.75 inches to the firearm in the folded position.
- Compatible with Mil‑Spec diameter stocks.
- Attaches via a 1913 Picatinny rail interface.
- Includes 2 QD sling attachments.
- Can be configured for right or left side folding.
- Steel parts receive a mag phosphate finish.
- Made in the USA and covered by a lifetime warranty.
The Alpha Series M4 Beam Side Folder provides a durable, low‑profile folding solution for users who want the flexibility to mount a preferred Mil‑Spec stock while retaining a robust locking interface. Built with serviceable materials and practical features like QD sling points and reversible folding, it is suited for users seeking a dependable, modular stock adapter for range use, transport, or compact storage.
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