JE Machine Tech .308 Carbine Buffer DPMS LR308 Carbine / AR10 Carbine Length Buffer Tube Black. 308 AR10 LR308 Short Carbine Buffer Specifications for JE Machine Tech .308 Carbine Buffer: Manufacturer: JE Machine Tech Color: Black Fabric/Material: Aluminum Length: 7 7/8 in Features of JE Machine Tech .308 Carbine Buffer For DPMS LR308 Carbine / AR10 Carbine Length buffer tube Rubber bumper pinned Solid weight no rattle Package Contents: JE Machine Tech .308 Carbine Buffer JE Machine Tech TS-ABT28B: .308 Carbine Buffer DPMS LR308 Carbine / AR10 Carbine Length Buffer Tube Black