The Black Dirt Rifleworks 9mm AR15 Magwell Adapter allows you to easily convert your standard .223/5.56 AR15 lower receiver to Colt mag compatible 9mm. The simple, user friendly drop-in design installs in minutes with no gunsmithing or permanent modifications required to the lower receiver.
- Last round bolt hold open
- Steel feed ramps
- Installs from the bottom of the magwell and locks in with both top and bottom locking screws
- No disassembly of the bolt catch or magazine catch required
- Remove the top screw and washer that is pre-installed next to the ejector
- Insert the adapter into your lower receiver's magwell like you would a regular magazine making sure the mag catch locks into place and is operable. NOTE: Depending on your lower receiver some light tapping with a rubber mallet may be required to complete this step.
- Make sure the top of the adapter is sitting flush with the top of your lowers magwell then re-install the washer and screw.
- Once the top screw is in place check once again that the magazine catch is able to travel its full range then install the two small set screws into the bottom of the adapter until they contact the inner wall of the magwell.