Harvester EVO Features With the Harvester Evo a little goes a long way! The Harvester Evo provides the everyday shooter and hunter with world class sound reduction performance from a robustly built extremely short and lightweight suppressor outperforming all other suppressors in its class at a much more affordable price. Harvester EVO Specifications Manufacturer: SilencerCo Model: Harvester EVO Type: Suppressor Caliber: 300 Winchester Magnum Caliber: 223 Remington Color: Black Manufacturer Wt: 10.6 oz Material: Stainless Steel 17-4 Heat treated stainless steel Inconel and cobalt 6 6.24 in length Ships with Bravo 1/2x28 and 5/8x24 direct thread mount