Kexuan 3.5 in Foam Cover For AR Pistol Buffer Tube Black. Fits ASBT05A Pistol buffer tube. Specifications for Kexuan 3.5 in Foam Cover For AR Pistol Buffer Tube: Manufacturer: Kexuan Color: Black Gun Model: AR-15 Length: 3.5 in Package Contents: Kexuan 3.5 in Foam Cover For AR Pistol Buffer Tube What firearm models does the manufacturer say Kexuan 3.5 in Foam Cover For AR Pistol Buffer Tube is compatible with? The manufacturer says that Kexuan 3.5 in Foam Cover For AR Pistol Buffer Tube is compatible with AR-15Kexuan HL-S: 3.5 in Foam Cover For AR Pistol Buffer Tube Black