I have a dm10 today chrno it at 280 .The was shooting fine at first the i notice volcity droping off for a sec like the guin wont shoot across fields..
i have a new battery in the gun.
i useing a68/4500 hpa tank ..
please help
1: Check your dwell set it to 21
2: Check your LPR set it to about 3.5 (if you dont know how to do it, ask)
3:Take apart your hyper 3/relube it inspect orings for damage.
# 1 and 2 should fix your issue. if not it's going to be #3