Enhance your AR-15 with the Tiger Rock Inc. ST-MICRO 3.5" Short Pistol Buffer Tube System, expertly engineered for lightweight performance and compact versatility. Constructed from premium 7075-T6 aluminum, this system features a durable hard anodized finish and a standard end plate for broad compatibility across various models. The comprehensive kit allows for seamless installation, making it an essential addition for firearm enthusiasts. Material: 7075-T6 Aluminum Length: 3.5" Includes Steel Castle Nut Includes Steel End Plate Includes Steel Buffer Tube Cap Includes Aluminum Stubby Buffer Tube Includes Steel Bolt Carrier Insert Includes Steel Guide Rod Assembly Includes Steel Proprietary Recoil Spring Plug Steel Recoil Spring Available in 11 vibrant colors, this buffer tube system combines innovation with style for any AR-15 enthusiast.