The ProMag PM140A is an ambidextrous sling attachment plate designed for AR-pattern rifles. Made from carbon steel with a black-oxide finish, it replaces the collapsible buttstock retaining plate and provides a practical sling attachment point.

Its ambidextrous design supports sling use from either side of the rifle. The plate is made in the United States and is intended for installation on compatible AR-pattern platforms.

Key Specifications

• The product type is a sling attachment plate for compatible AR-pattern rifles.
• The plate is made from carbon steel.
• The finish is black oxide.
• The design is ambidextrous for left- or right-side sling use.
• The plate is designed to replace the collapsible buttstock retaining plate.
• The listed model is PM140A.
• The product is made in the United States.
• The listed color is black.

For builders and owners seeking straightforward sling hardware, the PM140A offers a durable steel construction, low-profile format, and ambidextrous layout for flexible use on compatible AR-pattern rifles.