Replacement Wave Spring part for KEYMO and KEYMICRO Adapters. This spring is the same part for all DA428 Keymo-HUB adapters, DA429 Keymo-Saker Adapters, DA451 Key-micro Adapters, It is also the spring that ships with all Sandman series and Sierra-5 KM. Sandman Series, Sierra-5 KM, any other Keymo equipped silencers.

• Model: Key-Mo

*Item must be returned in unused condition and in the original manufacturer's packaging (if applicable). If an item arrives non-defective and accurate to its description, this guarantee does not apply and returns will not be organized in those situations. Please confirm compatibility and specifications with us regarding item DEADAIR WAVE SPRING KEYMO&KEYMICRO ADAPTER before purchasing if you are unsure.