AAP-01 TDC Rail Mount ghillie viper making sure your spacers are

making sure your spacers are far enough away from the hopup unit (towards the exit of your inner barrel)

equipped with a thrust bearing

and equipment

all SRS A2/M2 will be equipped with the standard SRS A2 top rail

therefor we offer you the same shape for a perfect setup in your AAP-01

AAP-01 TDC Rail Mount ghillie viper making sure your spacers areAAP 01 TDC Rail with integrated TDC Wheel and clicker adjustment system for AAP 01. For Example the AAP 01 TDC Rail can be put in between the action army folding stock and Action Army SMG Hand guard or other setups. 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