This new multi-caliber, modular pistol suppressor meters at an industry-leading 129.3 decibels dry on .45ACP. Constructed of aluminum and 17-4PH stainless steel, the Obsidian 45 also comes with Adapt™ Modular Technology as made famous with the Surge 762. The Adapt™ module allows users to configure the Obsidian in a standard 8.6” to a 6.7” short configuration within seconds. It’s full-auto rated for pistol calibers up to .45 ACP can be used with 300 Blackout subsonic rifle ammunition.