Guntec USA AR .308 Multi Caliber Collapsible Stock Black. 308 Multi Caliber Collapsible Stocks feature a new heavy duty design high density polymer construction with heavy duty hinges and a non slip neoprene rubber buttpad. Guntec USA AR .308 Multi Caliber Stocks also feature multiple cutouts to reduce weight. These AR15 Stocks from Guntec USA also come with a quick detach sling swivel. Guntec AR Multi Caliber Collapsible Stocks w/ .308 are a great universal replacement for most AR style buttstocks & forends. These stocks are incredibly durable & strong and will give you a lifetime of reliable service. These Guntec AR10 Stocks are offered in multiple lengths & for different calibers so you can have the stock tailored to fit your weapon and application. Specifications for Guntec USA AR .308 Multi Caliber Collapsible Stock: Manufacturer: Guntec USA Color: Black Gun Model: AR-10 Stock/Brace Material: Polymer Aluminum Gun Type: Rifle Weight: 20 oz Length: 8.75 in Hand: Right Buffer Tube Size: Mil-Spec Fabric/Material: High Density PolymerStock T6 Aluminum Tube Features of Guntec USA AR .308 Multi Caliber Collapsible Stock New Heavy Duty Design High Density Polymer Multiple Cutouts To Reduce Weight .308 Caliber Version Neoprene Rubber Buttpad Included Accepts QD Sling Swivel On Left Or Right Side QD Swivel Included Matte Black Finish Complete With Buffer Tube End Plate Castle Nut 9mm Buffer & Chrome Recoil Spring Weight Of Stock Shell: 9.4 oz Total Weight Of Stock Kit: 20 oz Package Contents: Guntec USA AR .308 Multi Caliber Collapsible Stock What firearm models does the manufacturer say Guntec USA AR .308 Multi Caliber Collapsible Stock is compatible with? The manufacturer suggests that Guntec USA AR .308 Multi Caliber Collapsible Stock is compatible with AR-10Guntec USA MCS-308: AR .308 Cal. Multi Caliber Collapsible Stock Black