I need some help rifle airwolf mct...25 accuracy problems..

[Eddy1840]

more than a inch at 55 yards jsb 25.39 Chrony 
803
805
806
800.1
800.8
806.5
808.4
808.2
808
803.7
807.7
803.9
806.3
805.4
804.2
802.9
803.8
than 
1169
1192
1187
1218
1180
1171
1219
1355
1189
1173
1170
1163
any idea.. I chenge the pellet probe o ring..

 

[TonyT]

I experienced the same velocity jumps with my then new Airwolf MCT. I sent mine back to AOA and it was repaired under warranty. They replaced the valve housing assembly according to their repair invoice.

 

[Eddy1840]

thank you TonyT i'll call AOA..