AAP-01 TDC Rail Mount - Short Grip the piston comes with 2

the piston comes with 2 head weight versions as well

or you can combine it with our STALKER Low Profile AAP-01 TDC Mini Kit (sold separately) so the hop can be adjusted with a clicker wheel setup or

Monitor your chronograph from the same screen where you set your dwell

Install the seal O-ring on the cylinder head

 Capacity - 140rds

AAP-01 TDC Rail Mount - Short Grip the piston comes with 2AAP 01 TDC Rail Mount Short with integrated TDC Wheel and clicker adjustment system. This AAP 01 TDC Rail Mount Short is ideal for short setups that need a red dot rail on top of it. This system ensures that you can make the hopup adjustment from the outside by turning the TDC wheel. It has a built in clicker system that clicks and locks the wheel when you adjust it. The AAP 01 TDC Rail Mount wheel can be connected to the pillar of the Stalker AAP 01