JE Machine Tech DPMS Del-Ton Upper & Lower Vise Block Combo Black. Features/Specifications: Minor modification may be needed - Dependent on the manufacturer of your weapon Solvent resistant polymer construction Will not distort or damage the receiver Specifications for JE Machine Tech DPMS Del-Ton Upper & Lower Vise Block Combo: Manufacturer: JE Machine Tech Gun Make: AR Platform Fabric/Material: Solvent resistant polymer construction Color: Black Features of JE Machine Tech DPMS Del-Ton Upper & Lower Vise Block Combo: Minor modification may be needed - Dependent on the manufacturer of your weapon Solvent resistant polymer construction Will not distort or damage the receiver Package Contents: J&E Machine Tech DPMS Del-Ton Upper & Lower Vise Block Combo JE Machine Tech TS-GT22B: DPMS Del-Ton Upper & Lower Vise Block Combo Black