The Gen 7 CQB Pistol System by Maxim Defense is your choice for simplicity and compactness for your AR-15 pistol. This system features a Gen 7 style housing'” and CQB length buffer tube. It is compatible with your standard bolt carrier group'” but you will need the proprietary CQB buffer & springs or JP Silent Captured Spring if you don”t have one. The CQB Pistol System is compatible with any MIL-SPEC lower receiver and it does not accept a stabilizing brace. For those that are looking to convert their existing CQB brace into the Pistol System'” you only need the housing as your existing extension tube is compatible.
Maxim Defense Industries Gen 7 CWB Pistol System, Standard Kit, Buffer Tube Complete Assembly, Anodized Finish, Black, Includes – Housing, Tube, Standard Buffer, Spring MXM-48531