F Fortis Manufacturing Magazine Catch and Release $21.99 AR15-BMCR-BLK show more like this 3.71 GrabAGun.com F Fortis Manufacturing Magazine Catch And Release, Black Anodize, AR15-BMCR-6061-BLK $23.17 AR15BMCR6061BLK show more like this Dvor F Fortis Manufacturing Magazine Catch And Release, Black Anodize, AR15-BMCR-6061-BLK $23.17 AR15BMCR6061BLK show more like this Free Shipping on most orders over $49 Optics Planet F Fortis AR-15 Magazine Catch & Release $23.70 AR15-BMCR-BLK show more like this Calculated in Cart Primary Arms F Fortis Manufacturing AR15-BMCR-BLK, Inc. Billet Mag Catch and Release, Nitride Finish, Black, Fits AR-15 AR15-BMCR-BLK MAP AR15-BMCR-BLK show more like this Flat Rate Starting at $11.99 Hinterland Outfitters F Fortis Manufacturing AR-15 Billet Magazine Catch and Release Button $27.58 AR15-BMCR-BLK show more like this $10 Flat for Firearms Cheaper Than Dirt