I have been a member a short time. To make a long story short, I changed with 1941 BYF with a Wolf extra 40 # main spring and it works great with a Federal HST LE 9mm Luger Ammo 124 Grain Jacketed Hollow Point. The tape trick shows show just a hint of a dent under the toggle. Now to dial it up right with the Wolf three set.
At .40 a round that is OK.
MPN P9HST1
UPC
Manufacturer FEDERAL AMMO
Caliber 9MM AMMO
Bullet Type HST-Jacketed Hollow Point
Muzzle Velocity 1150 fps
Muzzle Energy 364 ft. lbs
Primer Boxer
Casing Nickel Plated Brass
Ammo Rating Self-Defense and Personal Protection 9mmAmmo
Robert
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