Stern Defense AR-15 Conversion Adapter for S&W M&P .45 ACP Conversion Adapter

Description

Product Overview

The Stern Defense AR-15 .45 ACP conversion adapter is built to let you run Smith & Wesson M&P pistol magazines loaded with .45 ACP in a mil-spec AR-15 lower. Installation is quick, and the adapter is designed with a last-round bolt hold-open feature to help maintain reliable operation and familiar AR-15 controls. The unit is machined from 6061-T6 aluminum and includes a 4140 NiB-coated feedramp to support smooth feeding.

Key Features

• Converts a mil-spec AR-15 lower to accept compatible S&W M&P .45 ACP pistol magazines
• Last-round bolt hold-open feature for improved usability
• Ergonomic, easy-to-use magazine release
• Machined from 6061-T6 aluminum for strength and durability
• 4140 NiB-coated feedramp to support reliable feeding

Add the Stern Defense adapter to bring a harder-hitting .45 ACP option to your AR-15 build using compatible M&P-pattern magazines.