https://doublemdefense.com/product/deadair-da409-p-series-fixed-barrel-spacer/
Factory New.
UPC: 810128161121
SKU: DA409
Item Description:
The P-Series Fixed Barrel Spacer is installed inside of the P-Series Booster Assembly to mimic the operation of a direct thread mount. Ideal for use on guns with fixed barrels.
Item Specifications:
Brand Dead Air
Category Suppressor Accessories
Series P-Series
Model Fixed Barrel Spacer