The Dead Air Wave Spring for KeyMo and KeyMicro Adapters is a vital replacement part designed to ensure the smooth and reliable function of your suppressor system. Compatible with DA428 KeyMo-HUB, DA429 KeyMo-Saker, and DA451 KeyMicro adapters, this wave spring is also included in the Sandman Series and Sierra-5 KM suppressors. Perfect for users who prefer to maintain a stock of essential spare parts, this durable spring supports consistent performance for all KeyMo-equipped silencers.