ODIN Works Extended Magazine Release Gen II Blk ACC-XMR-2. Machined from billet 6061 aluminum and designed to work with KNS pins and the BAD lever. The XMR3 has the largest profile yet making it easily accessible by all shapes and sizes of hands and fingers. Works with both AR15 and AR10 lower receivers. Easy install that takes minutes. Specifications for ODIN Works Extended Magazine Release Gen II: Manufacturer: ODIN Works Gun Model: AR-15 Fabric/Material: 6061 Aluminum Condition: New Features of ODIN Works Extended Magazine Release Gen II: Compatible with BAD Lever. Compatible with KNS Pins. 0.1 oz (including paddle button and screws). Large surface area for quick magazine reloads. Easy to reach. Ergonomic design. Release magazine without changing grip or position. Contoured for positive depression and reduced slip. Machined from billet 6061 aluminum. Easy to install. Package Contents: ODIN Works Extended Magazine Release Gen II What firearm models does the manufacturer say ODIN Works Extended Magazine Release Gen II is compatible with? The manufacturer suggests that ODIN Works Extended Magazine Release Gen II is compatible with AR-15ODIN Works ACC-XMR-2: Extended Magazine Release Gen II Blk