Guntec USA AR-15 Multi Caliber Collapsible Stock w/Adjustable Cheek Riser Black. This new stock features a neoprene rubber buttpad adjustable cheek riser with 6 different heights and a multi point locking system with the cheek riser has multiple axis points. This new heavy duty stock offers a new heavy duty design with high density polymer construction with multiple cutouts to reduce weight. This stock comes complete with buffer tube end plate castle nut CAR buffer & chrome spring. This stock comes complete with an adjustable buttpad. This stock offers a new heavy duty design with high density polymer construction multiple cutouts to reduce weight. Guntec USA AR-15 multi caliber collapsible stock w/adjustable cheek riser is the perfect stock to add a little more customization to your versatile AR-15 rifle. Specifications for Guntec USA AR-15 Multi Caliber Collapsible Stock w/Adjustable Cheek Riser: Manufacturer: Guntec USA Gun Type: Rifle Weight: 24 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 w/Adjustable Cheek Riser New Heavy Duty Design High Density Polymer Multiple Cutouts To Reduce Weight 5.56 Caliber Version Neoprene Rubber Buttpad Included Adjustable Cheek Riser with 6 Different Heights Cheek Riser has Multi Point Locking System 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 Total Weight Of Stock Kit: 24 oz Package Contents: Guntec USA AR-15 Multi Caliber Collapsible Stock w/Adjustable Cheek Riser Guntec USA MCS-R: AR-15 Multi Caliber Collapsible Stock w/ Adjustable Cheek Riser Black