Guntec USA AR-10 / Lr-308 Stainless Steel Car Buffer & Spring Set Stainless Steel. These AR15 Lower Parts by Guntec USA eliminate the need for a separate receiver extension and is a standalone part that installs easily. The Guntec AR-10 / Lr-308 Stainless Steel Car Buffer & Spring Set meets AR15 buffer and spring standards and instills confidence that your rifle won't suddenly go boom by switching out the buffer. Boost your performance in the field with a quality Guntec AR-10 / Lr-308 Stainless Steel Car Buffer & Spring Set. Specifications for Guntec USA AR-10 / Lr-308 Stainless Steel Car Buffer & Spring Set: Manufacturer: Guntec USA Color: Steel Fabric/Material: Stainless Steel Gun Model: AR-10 Weight: 3.8 oz Features of Guntec USA AR-10 / Lr-308 Stainless Steel Car Buffer & Spring Set 3.8 oz .308 Cal Stainless Steel Buffer Mil -spec Chrome Silicon .308 Cal Carbine Length Spring Included Package Contents: Guntec USA AR-10 / Lr-308 Stainless Steel Car Buffer & Spring Set What firearm models does the manufacturer say Guntec USA AR-10 / Lr-308 Stainless Steel Car Buffer & Spring Set is compatible with? The manufacturer says that Guntec USA AR-10 / Lr-308 Stainless Steel Car Buffer & Spring Set is compatible with AR-10Guntec USA BUF+SPR-SS-308: AR-10 / Lr-308 Stainless Steel Car Buffer & Spring Set Stainless Steel