Description

Upgrade your AR-15 with the Stern Defense AD9 Magazine Adapter, expertly crafted in the USA from 6061 T6 aircraft-grade aluminum. This hard coat anodized Type 3 adapter allows your AR-15 lower receiver to accept 9mm and .40 S&W Glock magazines, compatible with all generations. Featuring a 4140 NiB coated feed ramp and ergonomic mag release, the AD9 ensures seamless compatibility, maintaining your rifle’s original components aside from the bolt and barrel. Perfect for enthusiasts, the AD9 requires a Glock cut bolt and a 5.4-ounce buffer or heavier (buffer not included).