DoubleStar ARFX Skeleton Stock w/Buffer Tube Black Foam and 5in RP. The closed cell foam overtube included with these DoubleStar AR15 Stocks provide a comfortable cheek weld and a rubber buttpad is included to reduce shoulder fatigue. This Doublestar 10in ARFX Skeleton Stock with Buffer Tube with Black Foam and 5in RP is crafted from anodized 7075-T6 aluminum for a strong yet lightweight build that is highly-resistant to corrosive elements and wear. Improve your performance at the range with the help of this Doublestar (ARFX) Skeleton Stock with Buffer Tube. Specifications for DoubleStar ARFX Skeleton Stock w/Buffer Tube: Manufacturer: DoubleStar Color: Black Gun Model: M16 AR-15 Length: 10 in Condition: New Gun Make: AR Platform Gun Type: Rifle Weight: 18 oz Finish: Anodized Fabric/Material: 7075-T6 Aluminum Features of DoubleStar ARFX Skeleton Stock w/Buffer Tube 7 QD sling points for perfect sling configuration. No more threaded sling adapters. Use standard push button QD sling mount. Works with single point 2-point and 3 point slings. Black anodized aluminum stock is lighter than a standard stock while retaining high strength. Package Contents: DoubleStar ARFX Skeleton Stock w/Buffer Tube What firearm models does the manufacturer say DoubleStar ARFX Skeleton Stock w/Buffer Tube is compatible with? The manufacturer says that DoubleStar ARFX Skeleton Stock w/Buffer Tube is compatible with AR-15 M16DoubleStar A101B: ARFX Skeleton Stock w/Buffer Tube Black Foam and 5in RP