The YHM Nielsen Booster Assembly replaces the direct thread adapter on a YHM Sound suppressor or any other suppressor on the market which utilizes the 1 3/8″-24. They are designed to be used with handguns and barrels which require a Nielsen Piston spring.
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Dead Air DA320 KeyMo Zero 1/2″-28 Threads 30 Cal
$72.00
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