Product Description The DPMS DP10 18 inch .308 WIN stainless steel upper delivers a durable, accuracy-focused setup built around a dimpled 416R stainless barrel and a mid-length gas system. It features a 15 inch M-Lok free-float handguard with partial Picatinny rail and anti-slip, anti-rotation design, plus an adjustable click-switch gas block for tuning to your ammunition. This complete upper includes a Toolcraft DP10 bolt carrier group with extra-power extractor spring and a 7075-T6 charging handle, making it a ready-to-run option for your DP10 platform build or upgrade. Product Highlights 18 inch dimpled 416R stainless steel barrel in .308 WIN with 1:10 twist for balanced accuracy and durability Mid-length gas system with black nitride gas tube for improved heat and corrosion resistance Low-profile, click-switch adjustable gas block (3-position) helps tune cycling to your load and conditions 15 inch DP10 M-Lok free-float handguard with partial Picatinny rail plus anti-slip and anti-rotation features Includes Toolcraft DP10 bolt carrier group and 7075-T6 charging handle for a complete upper package Specs Brand: DPMS Panther Arms Manufacturer Part Number: DP51655115745 UPC: 850032424776 Platform/Receiver Type: DP10 Chamber: .308 WIN Barrel Length: 18 inches Barrel Steel: 416R Stainless Steel Barrel Profile: A2 Style Barrel Finish: Stainless Steel Twist Rate: 1:10 Gas System: Mid-Length Gas Block Type: Low-profile click switch adjustable gas block (3 position) Gas Tube: Black Nitride Diameter at Gas Block: .750 Barrel Extension: M4-style Chrome Lining: None Muzzle Thread: 5/8-24 Muzzle Device: A2 Style Flash Hider Receiver Material: Forged 7075-T6 aluminum (hardcoat anodized to MIL-8625 Type 3 Class 2) Handguard: DP10 15 inch M-Lok free float partial Picatinny rail with anti-slip and anti-rotation features Bolt Carrier Group Included: Yes; Toolcraft DP10 BCG (9310 bolt, 8620 carrier), nitride treated, extra power extractor spring Charging Handle Included: Yes; 7075-T6 charging handle 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.