Brand: Sniper Includes: Adjustable Stock and Allen Key Materials: Injection Molded Polymer Compatibility: Can Adapt to Either Rifle or Carbine Length Tubes Weight: 10 oz Color: Black or Flat Dark Earth Warranty: Lifetime This is a drop-in replacement adjustable stock for AR15/M16 carbines using commercial sized receiver extension tubes. Designed for light, fast action the streamlined A-frame profile avoids snagging and shields the release latch to prevent accidental activation.