HD Defense 9mm Drop-In Conversion for AR15


Convert your AR15 for any caliber to 9mm. Fully “Drop-In” conversion. Requires no tools for installation. Made in the USA. Guarenteed for life!

Out of stock

SKU: 9mm-Conversion Category:


Are you the type of person that likes to train and train often?
Are you looking for a 60% reduction in your range ammo cost?
Well we’ve got the solution for you!

Our 9mm Drop-In Conversion uses a modified MAGPUL PMag to convert your standard AR15 lower into one capable of accepting our 9mm upper receiver. Our kit includes everything you need to convert your existing rifle, into a pistol caliber carbine ready for the next USPSA match or simply to give you an opportunity to further hone your skills and save money for more ammo.
This setup is fully compatible with all MILSPEC Semi and Full-Auto Fire Control Groups.
Installation is completely tool-less and can be done at the range!

The kit includes:
Complete Upper Receiver Group with 16″ barrel (4150CMV Nitride Coated Barrel)
Premium Braided Wire Action Spring with Dedicated 9mm Heavy Buffer
Anti-Rotation Trigger and Hammer Pins (Optional but recommended)


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