Mag-AD .45ACP M&P Magazine Adapter – The Ultimate Upgrade for Your AR Build
Designed for Speed, Performance, and Dependability.
Convert your standard mil-spec AR-15, M4, or M16 lower assembly to accept .45ACP M&P magazines with the Mag-AD .45ACP Adapter. In seconds, this adapter installs and enhances your AR platform, enabling compatibility with M&P .45ACP mags. Featuring a last round hold open—a groundbreaking innovation for improved reliability—this adapter is essential for both law enforcement and civilian shooters looking to optimize their AR builds.
Built for quick installations and rugged performance, the Mag-AD .45ACP Adapter is made from 6061 T6 aircraft-grade aluminum for durability and lightweight construction, combined with an ergonomic design that makes it easy to use in high-stress situations.
Please note: The Mag-AD .45ACP Adapter requires a .45ACP barrel and a Glock-cut bolt for full functionality.
✅ Why Choose the Mag-AD .45ACP Adapter?
- Last Round Hold Open: A vital feature for improved reliability, ensuring your firearm stays operational until the last shot
- Made in the U.S.A.: Designed, machined, and assembled in the United States for top-tier craftsmanship
- Quick Installation: Installs in seconds, transforming your AR build to accept .45ACP M&P magazines
- Ergonomic & Lightweight: Constructed from 6061 T6 aircraft-grade aluminum for strength without added bulk
- Versatile: Compatible with all generations of M&P .45ACP magazines
- Sturdy Construction: Designed to handle the demands of heavy use, from tactical operations to target practice
⚙️ Technical Specifications
- Material: 6061 T6 aircraft-grade aluminum for durability and lightweight performance
- Feed Ramp: 4140 NiB-coated feed ramp for maximum durability and smooth operation
- Finish: Type 3 hard coat anodized for superior wear resistance
- Compatibility: Works with any mil-spec AR-15 lower receiver
- Ergonomic Design: Enhanced mag release for fast, reliable operation
- Magazine Compatibility: Works with all generations of M&P .45ACP magazines
⚠️ Important Notes
- Buffer Requirement: Must be used with an 11-ounce buffer or heavier when using a carbine spring.
Click here for the recommended buffer - Upper Compatibility: .45ACP uppers must have an enlarged ejection port for proper function.
Click here for a compatible upper - Let's check the compatibility of your setup by clicking here
⚙️ Looking for a Complete Conversion Kit?
We’ve got you covered with everything you need to get started.
Transform Your AR Build with the Mag-AD .45ACP Adapter
If you're looking to enhance your AR-15 or M16 with the power of .45ACP, the Mag-AD .45ACP M&P Magazine Adapter is the way to go. Quick installation, rugged reliability, and top-tier design make this adapter a must-have upgrade for shooters looking to push their AR builds to the next level.