Tacfire AR15 Commercial M4 Style 6 Position Stock Black. Featuring an aluminum bedding block and a precision machined aluminum side plate the Tacfire AR15 M4 Style 6 Position Stock extends out in 6 different positions and has a one piece rubber butt plate in the buttpad. This buttpad is designed to be non-slip and soft to the touch. For a great way to make sure you are working with one of the best stocks the AR15 has to offer choose the Tacfire AR15 M4 Style 6 Position Stock. Specifications for Tacfire AR15 M4 Style 6 Position Stock: Manufacturer: TacFire Color: Black Gun Model: AR-15 Gun Type: Rifle Package Contents: Tacfire AR15 M4 Style 6 Position Stock What firearm models does the manufacturer say Tacfire AR15 M4 Style 6 Position Stock is compatible with? The manufacturer suggests that Tacfire AR15 M4 Style 6 Position Stock is compatible with AR-15Tacfire MAR083: AR15 Commercial M4 Style 6 Position Stock Black