The Dead Air Silencers KeyMo GOV Lock HUB Upgrade Kit provides the premium internal rebuilding hardware needed to modernize standard quick-detach silencer attachments with a heavy-duty duty configuration. Precision-machined entirely from high-grade 17-4 stainless steel, the components feature an ultra-durable black nitride finish built to withstand severe thermal heat and intense firing schedules. This package compiles the specialized GOV compression nut, an optimized wave spring, and a mechanical detent ring to completely refresh an existing HUB taper footprint. When fully integrated, the internal hardware introduces a positive-locking secondary mechanical layer that completely prevents micro-movements, back-off, or accidental disengagement under violent structural vibration. Ultimately, this all-in-one kit transforms toolless rapid attachments into a hyper-stable duty system that holds absolute alignment during hard-use tactical scenarios. Dead Air Silencers KeyMo GOV Lock HUB Secondary Retention Adapter Upgrade Kit w/DA892GOV Compression Nut, Detent Ring, & Wave Spring DA890UPGRD