Tiger Rock AR-15 Pad Cover Pistol Buffer Tube w/ Foam Pad Cover-Short Black Small. It's short flat design is perfect for AR-15 pistol conversions and short 3.5in textured foam pad fits standard AR-15 Pistol build buffer tubes. It's made of high quality foam and is designed with a low profile to clear the charging handle action. Code:4LJ-RBT-AR15PBT-T-P Buffer tube only Code:4LJ-RBT-AR15PBT-T-PO Buffer tube with foam Specifications for Tiger Rock AR-15 Pad Cover Pistol Buffer Tube: Manufacturer: Tiger Rock Color: Black Finish: Hard Anodized Type III Matte Black Fabric/Material: T6-6061 Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Length: 7.1875 in Condition: New Features of Tiger Rock AR-15 Pad Cover Pistol Buffer Tube: T6-6061 aluminum Hard Anodized Type III Matte Black finish Length: 7.1875" Fits: AR-15 Features of Foam: High quality textured foam Length: 3.5" Width: 1.25" (expandable) Matte Black Fits: AR-15 Package Contents: Tiger Rock AR-15 Pad Cover Pistol Buffer Tube What firearm models does the manufacturer say Tiger Rock AR-15 Pad Cover Pistol Buffer Tube is compatible with? The manufacturer suggests that Tiger Rock AR-15 Pad Cover Pistol Buffer Tube is compatible with AR-15Tiger Rock T-PO: AR-15 Pad Cover Pistol Buffer Tube w/ Foam Pad Cover-Short Black Small