Hallo to all.
In your opinion for fastest and good double tap , what's the best recoil spring setting to use in a competion ?
My Gun : Tanfoglio stock 2
My cartridge :
9 mm 124 GN Copper bullet
0.355
Tc
Power Factor 130
Now im using 7 Lb .
Thanks in advance for your answer and im so sorry for my poor english.
LucaLu