Maxim Defense Industries PDW Pistol Brace Black Small. That doesn t mean it s short on functionality. The PDW Brace still features rapid deployment. And the dual QD sling attachments in our CQB Series housing have been removed and replaced by a single rear QD plate. Made from the same proven materials as our CQB Series the streamlined housing and extension tube reduce manufacturing time making this our most cost-effective brace option available. DO NOT MODIFY A BCG TO MAKE IT COMPATIBLE. DO NOT REMOVE THE WEIGHT FROM 9MM BCG S. JP DOES NOT RECOMMEND FOR SELECT FIRE. Specifications for Maxim Defense Industries PDW Pistol Brace Small Buffer/Spring: Manufacturer: Maxim Defense Industries Gun Type: Pistol Weight: 7.6 oz Stock/Brace Material: 7075 Aluminum Additional Features: 7.6oz Pistol Caliber Version Gun Model: Wilson Combat CQB Features of Maxim Defense Industries PDW Pistol Brace Small Buffer/Spring: Stainless steel guide rods for strength Easy install 7075 aluminum housing Knurled collapse lever 6 O'Clock QD sling mount The PDW Brace is compatible with all Maxim Defense CQB series buffer systems. Package Contents: Maxim Defense Industries PDW Pistol Brace Small Buffer/Spring What firearm models does the manufacturer say Maxim Defense Industries PDW Pistol Brace Small Buffer/Spring is compatible with? The manufacturer says that Maxim Defense Industries PDW Pistol Brace Small Buffer/Spring is compatible with Wilson Combat CQBMaxim Defense Industries MXM-47534: PDW Brace AR-15 Black Small