Experience solid, trouble free lock up with the SilencerCo Specwar 5.56. Made mission-ready with a fast attach mounting system enabled by its unique Active Spring Retention design, installation and removal takes seconds. The durable baffle stack and minimal point of impact shift make this suppressor reliable, even in the harshest conditions. The Specwar 5.56 mm features the patent pending Active Spring Retention (ASR)™ mounting system for solid trouble free lockup. Installation and removal takes seconds. The use of proprietary TrueBore™ manufacturing process ensures precise bore alignment and minimal point of impact shift.