Otter Creek Labs Polonium 30 (BLK) is a 30-caliber rifle suppressor built for shooters who want reliable, repeatable performance. It uses high-strength stainless steel and other modern alloys, giving a good balance of durability, heat resistance, and manageable weight. This configuration typically ships with mounting hardware as specified by the manufacturer, making it straightforward to integrate with compatible hosts. Note: In-stock reflects what is immediately available from distributors (~1 week to arrive at the shop).