Product Description The TacFire SSPK556LPK10 Pistol Kit is built for AR-pistol platform projects chambered in 5.56x45mm NATO. Finished in black and constructed with steel components, this kit is designed to provide a durable foundation for a compact AR-style pistol build or upgrade. It includes major build components commonly needed for an AR pistol assembly, making it a convenient option for builders seeking a cohesive parts package. Product Highlights Complete AR-pistol platform pistol kit for 5.56x45mm NATO projects 10.50-inch barrel length for compact handling and maneuverability Black steel construction for strength, durability, and long-term performance Kit-style package includes multiple major components to streamline a build Barrel marking indicates 5.56 NATO with 1:7 twist (as shown in product images) Specs Brand: TacFire Manufacturer Part Number: SSPK556LPK10 UPC: 729205532337 Product Type: Pistol Kit (Build Kit) Firearm Fit: AR-Pistol Platform Caliber: 5.56x45mm NATO Barrel Length: 10.50 in Color: Black Material: Steel Barrel Marking (from images): 5.56 NATO, 1:7 twist 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.