Tiger Rock A2 Spacer Convert A1 to A2 Fixed Stock Black

Tiger Rock A2 Spacer to Convert A1 to A2 Fixed Stock Black. It does not include the buttstock screw. Specifications for Tiger Rock A2 Spacer to Convert A1 to A2 Fixed Stock: Manufacturer: Tiger Rock Color: Black Gun Type: Rifle Gun Model: AR-15 Fabric/Material: 6061-T6 Aluminum Finish: Anodized Quantity: 1 Features of Tiger Rock A2 Spacer to Convert A1 to A2 Fixed Stock: Mil-Spec Length: 1.0625" Package Contents: Tiger Rock A2 Spacer to Convert A1 to A2 Fixed Stock What firearm models does the manufacturer say Tiger Rock A2 Spacer to Convert A1 to A2 Fixed Stock is compatible with? The manufacturer suggests that Tiger Rock A2 Spacer to Convert A1 to A2 Fixed Stock is compatible with AR-15Tiger Rock A2SPACER: A2 Spacer to Convert A1 to A2 Fixed Stock Black