Leapers UTG AR15 A2 Fixed Stock Assembly Black. This Auto Stock from Leapers UTG installs easily onto your AR-15's existing buffer tube and incorporates a recoil spring in a manner that absorbs the recoil of your firearm. As such you'll want to mount this Auto Stock on your rifle instead of your pistol. Constructed of an impact resistant advanced polymer material the Leapers UTG A2 Fixed Stock Assembly will provide you with years of use. Plus these AR15 Stocks from Leapers UTG prevent breakage thanks to their design. Simply install the Leapers UTG A2 Rifle Stock Assembly A2 Style onto your buffer tube install the recoil spring stock spacer and premium A2 buffer assembly and tighten the screw of the Leapers UTG A2 Stock Assembly into the receiver. Specifications for Leapers UTG AR15 A2 Fixed Stock Assembly: Manufacturer: UTG Pro Color: Black Gun Model: AR-15 Length: 10.6 in Condition: New Gun Make: AR Platform Weight: 25 oz Fabric/Material: Aluminum/Polymer Hand: Ambidextrous Package Contents: Leapers UTG AR15 A2 Fixed Stock Assembly What firearm models does the manufacturer say Leapers UTG AR15 A2 Fixed Stock Assembly is compatible with? The manufacturer suggests that Leapers UTG AR15 A2 Fixed Stock Assembly is compatible with AR-15Leapers UTG Model 15 Standard A2 Butt Stock Assembly - Black RB-T469B