C Products 9mm MagWell Block

This polymer magazine adapter drops into an AR-15 lower receiver and allows the use of 9mm C-Products magazines with 9mm Luger AR-15 upper receivers. This adapter installs from the top of the lower receiver and allows the standard magazine catch to be...

Hahn Precision Bottom 9mm MagWell Block

Designed for quick caliber change between 5.56mm and 9mm with minimal effort. Adapter loads in from the bottom of the magazine well and secures with a tension device. Ideal for users using Colt type magazines and frequently changing between calibers that...

Hahn Precision Dedicated 9mm MagWell Block

Designed for the professional with a dedicated 9mm weapon system. The standard 5.56mm bolt hold open is utilized because of its superior strength over the 9mm version. The adapter can only be removed at the Armorer's level once installed. Holds open on...

Hahn Precision Top MagWell Block

Adapter drops into the top of the receiver and virtually impossible to remove unless the upper receiver is opened. Ideal for users using Uzi and Colt type magazines not concerned with having the bolt hold open feature. Uzi magazines require modification...

ProMag Quick Change 9mm Magwell Adapter Block

Colt Style Compatible This is ProMag's 9mm Magazine Adaptor Block. It easily installs in AR-15 lower-receivers and allows the use of 9mm Colt SMG in Colt pattern 9mm upper-receivers. The block is constructed of high a strength polymer with steel...

RRA 9mm MagWell Block

Designed for quick caliber change between 5.56mm and 9mm with minimal effort. Adapter loads in from the bottom of the magazine well and secures with a tension device. Ideal for users using Colt magazines and frequently changing between calibers that...