Maxim Defense Industries PDW Brace for AR-15 Standard Buffer/Spring 3.3 oz Black. 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 Brace for AR-15 Standard Buffer/Spring: Manufacturer: Maxim Defense Industries Length: 6.875 in 8.375 in 10 in Weight: 3.3 oz Stock/Brace Material: 7075 Aluminum Condition: New Closed Length: 5.375 in Features of Maxim Defense Industries PDW Brace for AR-15 Standard Buffer/Spring:Stainless steel guide rods for strengthEasy install7075 aluminum housingKnurled collapse lever6 O'Clock QD sling mountThe PDW Brace is compatible with all Maxim Defense CQB series buffer systems. Package Contents: Maxim Defense Industries PDW Brace for AR-15 Standard Buffer/Spring Maxim Defense Industries MXM-47524: PDW Brace for AR-15 Standard Buffer/Spring 3.3 oz Black