With the Stern Defense Mag-AD9 adapter, you can easily convert your AR-15 into an AR-9. Unlike other 9mm adapters, the Mag-AD9 is made from lightweight 6061 T6 aircraft grade aluminum which means it’s built for longevity and reliability. With premium features like last round bolt hold open (LRBHO) and an easy to reach mag release, the Stern Defense Mag-AD9 is the only choice for an AR9 conversion!
Stern Defense Mag-AD9 9mm Glock Magazine Adapter for AR-15
4 in stock
4 in stock
- Installs quickly, easily, and most importantly, securely into any mil spec AR-15 lower receiver.
- Designed from the ground up to work with AR-15 and M16 mil-spec upper receivers.
- Made in the U.S.A.
- 4140 NiB coated feed ramp.
- Hard coat anodized type 3.
- Sturdy Construction.
- Works with all generations of Glock magazines*
Requires 9mm barrel and Glock cut bolt*
Why We Love It
The Stern Defense MAG-AD9 is an amazing bit of engineering. When our buyers met with the representatives at Shot Show 2018 and were shown the MAG-AD9 magazine adapter we new it was going to be a hit among shooting enthusiasts. The ability to turn an AR-15 lower receiver into a Pistol Caliber Carbine (PCC) was not a new or unique idea at the show. We looked at several idea models by multiple manufacturers. None came close to the quality of design and materials of Stern Defense.
Stern has created a solid mag well insert the securely locks into place. There is no rattle or slop. Essentially, it becomes part of your gun.
Later, when we had time to put it through it’s paces, the Stern Defense MAG-AD9 ran flawlessly. It chambered every bit of 9mm ammo we could throw at it. We tried several aftermarket Glock magazines and none even caused the MAG-AD9 to skip a beat.
In conclusion, if your looking for a way to turn your AR-15 into an AR-9 without buying a new lower receiver, look no further than the Stern Defense MAG-AD9.
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