Product Description The TacFire MAR139C Short Buffer Tube System is a compact 3.5-inch buffer system designed to help shorten an AR pistol build for a smaller overall footprint. Built from anodized aluminum and paired with a QD end plate, it&&';;s a practical choice for compact "backpack gun" style setups. Installation is straightforward with standard armorer support tools, requiring only a spanner wrench beyond what&&';;s typically found in an armorer&&';;s toolbox. Product Highlights Compact 3.5" short buffer system helps reduce AR pistol overall length for more portable builds QD end plate provides a quick-detach sling mounting point for flexible carry options 7075-T6 aircraft-grade aluminum construction with Type III anodized finish for durability Designed for AR pistol platform compatibility Complete system components support a simplified compact buffer assembly setup Specs Brand: TacFire Manufacturer Part Number: MAR139C UPC: 686294505331 Product Type: Short buffer tube system Firearm Fit: AR pistol platform Material: Aluminum (7075-T6 aircraft grade) Finish/Style: Type III anodized (Mil-A 8625) Color: Black Overall Length: 3.50" Width: 2.40" Height: 2.30" Included Components: Recoil spring, castle nut, guide rod assembly, bolt carrier insert, buffer tube end cap, buffer tube Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.