Guntec USA AR-10 Stainless Steel Carbine Buffer .308 Caliber Stainless Steel. Our goal is to distribute excellent quality at an economical value. Specifications for Guntec USA AR-10 Stainless Steel Carbine Buffer: Manufacturer: Guntec USA Color: Steel Fabric/Material: Stainless Steel Gun Model: AR-10 Weight: 3.8 oz Features of Guntec USA AR-10 Stainless Steel Carbine Buffer: 308 Cal Buffer No Moving Internal Weights One Solid Unit Just Released Reduces Noise and Friction Compared To Standard Buffers Mil-Spec Dimensions Stainless Steel Black Neoprene Head Package Contents: Guntec USA AR-10 Stainless Steel Carbine Buffer What firearm models does the manufacturer say Guntec USA AR-10 Stainless Steel Carbine Buffer is compatible with? The manufacturer says that Guntec USA AR-10 Stainless Steel Carbine Buffer is compatible with AR-10Guntec USA CARBUF-308-SS: AR-10 Stainless Steel Carbine Buffer .308 Caliber Stainless Steel