Guntec USA AR-15 Multi Caliber Collapsible Stock Black. Built of high density polymer with multiple cutouts to reduce weight the stock offers a full length of pull and can be deployed in either the deployed or storage positions. This stock comes in two different versions: one that has the collapsible feature to retain the weight of the rifle when retracted and one that has the ability to be deployed in the two different planes of the stock to allow for shooting with both eyes open and eyes closed. Complete with buffer tube end plate castle nut carbine buffer and chrome CAR buffer spring. Specifications for Guntec USA AR-15 Multi Caliber Collapsible Stock: Manufacturer: Guntec USA Gun Type: Rifle Weight: 19 oz Length: 8.75 in Condition: New Hand: Right Buffer Tube Size: Mil-Spec Fabric/Material: High Density PolymerStock T6 Aluminum Tube Features of Guntec USA AR-15 Multi Caliber Collapsible Stock New Heavy Duty Design Without Adjustable Cheek Riser High Density Polymer Multiple Cutouts To Reduce Weight 5.56 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 CAR Buffer & Chrome Recoil Spring Weight Of Stock Shell: 9.4 oz Total Weight Of Stock Kit: 19 oz Package Contents: Guntec USA AR-15 Multi Caliber Collapsible Stock Guntec USA MCS: AR-15 Multi Caliber Collapsible Stock Black