Originally Posted by frenchy2475
Hi Jonny, it states in the manual that the SFR controls the forward speed of the bolt has the ability to effect velocity and to re-chrono after adjustments. Hope that helps
So doesn't that mean its not allowed in any psp and nppl events? It says no external velocity adjustments?
Chrony on low, turn the screw up and play and then chrony off with the screw turned in