Sniper AR-15 Buffer Tube Receiver End Plate .223/5.56/.308 Standard Black. This will fit onto Mil-Spec Commercial or Pistol buffer tubes. Not suitable for A2. Specifications for Sniper AR-15 Buffer Tube Receiver End Plates: Manufacturer: Sniper Color: Black Fabric/Material: High Quality Steel Hand: Ambidextrous Gun Make: AR Platform Gun Model: AR-15 Condition: New Caliber: 5.56x45mm NATO .308 Winchester .223 Remington Features of Sniper AR-15 Buffer Tube Receiver End Plate Standard replacement receiver end plate for AR-15 adjustable buffer tubes. High Quality Steel Construction. Package Contents: Sniper AR-15 Buffer Tube Receiver End Plate What firearm models does the manufacturer say Sniper AR-15 Buffer Tube Receiver End Plates is compatible with? The manufacturer suggests that Sniper AR-15 Buffer Tube Receiver End Plates is compatible with AR-15Sniper ABTA01: AR-15 Buffer Tube Receiver End Plate .223/5.56/.308 Standard Black