SHS Airsoft Internal Upgrade Cases

SHS Airsoft internal parts combinations from end users.

For experienced players only. Using high powered springs & motors will result higher wear and tear than normal.

Parts shown in the Video:

Always reset your spring by firing one shot in semi-automatic before putting it away.
M120 / 190% or stronger spring upgrade may require reinforcement of other gear box internal parts.
9.6V or Stronger battery may be required to power higher than stock springs.