American Tactical ATI 9mm Adapter For 5.56 Lower Receiver

American Tactical ATI 9mm Adapter For 5.56 Lower Receiver

American Tactical AR-15 conversion adapter that will fit any standard AR-15 556/223 lower and convert it to 9mm with no required modifications to your lower or magazines. Made from 6061-T6 Aluminum, this durable mag well adapter has a built in magazine release for your for Glock mags, locks in place with your standard AR-15 magazine catch, releases the same way AR mags do and has a bolt hold open feature that locks your bolt back after the last round. This 9mm AR adapter accepts for Glock style double stacked 9mm magazines and comes with one 10 round magazine. Plug and play and convert your lower to 9mm affordably today.

Manufacturer: American Tactical

Model: ATI9MMADAPT

Enter your ZIP code for an exact shipping cost on this item. Hazardous-materials fees, where they apply, are included in the total shown.

Read our full shipping policy

Firearms must ship to a licensed dealer (FFL), who completes the transfer and the required background check when you collect the item.

How FFL transfers work · Terms of sale · Product and legal restrictions