Product Description The Radian Weapons Model 1 Complete Upper in 14.5" 6MM ARC delivers a purpose-built, precision-engineered upper receiver assembly finished in a durable Cerakote Olive Drab Green. Designed around a simple but uncompromising philosophy, every component is crafted from the highest quality raw materials using the most precise CNC machining equipment available. The result is a complete upper that seamlessly blends form and function, featuring fully ambidextrous controls and a sub-MOA accuracy guarantee backed by Black Hills Match Grade Ammunition. Each upper is assembled by hand, one at a time, by a trained Radian gunsmith who personally inspects, test fires, and cleans the assembly before it ever leaves the facility. The 14.5" barrel is pinned to achieve a 16" overall length, making this configuration both legal and street-ready. The Dead Air KeyMo Flash Hider, mid-length gas system, Radian Raptor-SD suppressor-optimized ambidextrous charging handle, and Radian Enhanced Bolt Carrier Group combine to produce a smooth, reliable, and shooter-focused experience. Like every Radian product, this upper is guaranteed for life. Product Highlights Sub-MOA Accuracy Guarantee with Black Hills Match Grade Ammunition for proven precision performance Billet machined 7075-T6 upper receiver with M4 feed ramps and proprietary extended aluminum handguard featuring a 14" M-LOK modular mounting system 14.5" barrel pinned to 16" overall length, chambered in 6MM ARC with a 1:7 twist rate and 5/8x24 thread pitch Dead Air KeyMo Flash Hider and Radian Raptor-SD suppressor-optimized ambidextrous charging handle for suppressor-ready versatility Enhanced Black Nitride M16 Bolt Carrier Group with direct impingement mid-length gas system and durable Cerakote Olive Drab Green finish Specs Brand: Radian Weapons Manufacturer Part Number (MPN): R0901 UPC: 810098420938 Caliber: 6MM ARC Barrel Length: 14.5" (Pinned, 16" OAL) Twist Rate: 1:7 Thread Pitch: 5/8x24 Gas System: Mid-Length, Direct Impingement Handguard: 14" M-LOK Proprietary Extended Aluminum Charging Handle: Radian Raptor-SD Suppressor-Optimized Ambidextrous Bolt Carrier Group: Radian Enhanced Black Nitride M16 BCG Muzzle Device: Dead Air KeyMo Flash Hider Finish: Cerakote Olive Drab Green Receiver Material: Billet 7075-T6 Aluminum Platform Fit: AR-15 Type: Complete Upper Receiver Accuracy Guarantee: Sub-MOA with Black Hills Match Grade Ammunition Lifetime Guarantee: Yes 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.