This is what happens if you try to run a stock M120 equivilent from a JG MP5 in your gen 2 SRC.
I don't recommend it unless you plan or putting in a new piston after ~100rounds.
Luckily I have an old stock CA I got free in a trade, and its working great.
I don't recommend it unless you plan or putting in a new piston after ~100rounds.
Luckily I have an old stock CA I got free in a trade, and its working great.