Product Description Winchester Super Suppressed ammunition is purpose-built for use in suppressor-equipped firearms, delivering clean and reliable subsonic performance with reduced noise and recoil. Designed to help minimize barrel and suppressor fouling, this 400 Legend load features an encapsulated bullet base and consistent manufacturing for dependable accuracy on the range or in the field. Product Highlights Optimized for suppressor use to help reduce noise and improve shooting comfort Subsonic performance engineered for lower decibel levels Encapsulated bullet base helps reduce lead fouling in barrels and suppressors Consistent accuracy designed for dependable target and practical use Reloadable brass cases with non-corrosive components for reliable performance Specs Brand: Winchester Ammunition Model/Line: Super Suppressed Cartridge: 400 Legend Bullet Weight: 300 grain Bullet Type/Style: Open Tip Range (subsonic) Muzzle Velocity: 1060 fps Muzzle Energy: 748 ft-lbs Ballistic Coefficient (G1): 0.318 Case Type: Brass Primer Type: Boxer Corrosive: No Reloadable: Yes Quantity: 20 rounds per box Case Pack: 10 boxes per case (200 rounds) Country of Manufacture: USA UPC: 020892232365 Manufacturer Part Number: SUP400 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.