Whisper 9 Booster Springs (5-Pack)
$20.00
These booster springs are designed for the Nielsen device on your Whisper 9 suppressor.
We recommend that you replace your spring every 1,000 rounds or once per year for the best performance.
This product includes five OEM springs sized to factory specifications.
Please watch the short video below to learn how to replace the spring in the booster of your Whisper 9.
