Thunderbolt Drop Down ASA Valken Black Hawk The rear features a standard

The rear features a standard ASA that’s ready to accept a gas-through stock

Helix magazines are made right here in the USA

This Kit Can Used For:

and civilian users

**When using Tank in Stock you will need the Hinge/Swivel Guide Rod**

Thunderbolt Drop Down ASA Valken Black Hawk The rear features a standardThis back bottle style Internal Air ASA fits the Bolt platform and pairs with the Thunderbolt lower trigger frame. It lowers the bottle or stock down by 1 inch from the bore axis of the marker to give better clear of viewing to improve aiming while wearing your mask. Best is pairing this drop down ASA with the Thunderbolt trigger frame. **When using Tank in Stock you will need the Hinge Swivel Guide Rod** **This part is a replacement part and does not