IMI Defense TS2 M16/AR15 Magwell Only FDE. Release button is as a standard M4 magazine release. Easy installation on IMI Defense "https://imidefense.com/product/ts2-shock-absorber-overmolded-buttplate/">TS2 Tactical buttstock . Features: Features: Available in Black O.D. Green and Desert Tan Made in Israel Specifications for IMI Defense TS2 M16/AR15 Magwell Only: Manufacturer: IMI Defense Gun Model: M16 AR-15 Fabric/Material: Polymer Finish: Matte Package Contents: IMI Defense TS2 M16/AR15 Magwell Only What firearm models does the manufacturer say IMI Defense TS2 M16/AR15 Magwell Only is compatible with? The manufacturer says that IMI Defense TS2 M16/AR15 Magwell Only is compatible with AR-15 M16IMI Defense IMI-ZS107MGFDE: TS2 M16/AR15 Magwell Only FDE