Midwest Industries Side Folding Adapter for AR-15 Buffer Tube, MI-STAP-SF-BT

Taken directly from the Midwest Industries website :

-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
-Allows attachment of Mil-Spec buffer tube
-Adds 2.5 inches to firearm length in the open position
-Adds 0.75 inches to firearm length in the folded position
-Complete assembly weight: 8.4 oz.
-Steel parts are mag phosphate finished
-100% made in the USA