Got a new to me Kimber 84 montana .243 and have found the factory ammo it like best, Remington 80 grn cor-loc bullets. Thing is, with that brand ammo I get failure to fire about every 3-4 shots. A google search suggests this is a fairly common firing pin spring problem and a wolf spring would be an excellent replacement. Does this sound about right? I mean, with this ammo I get 3 shots touching at 100 yards, so I hate to give up on the gun. But if I can't trust it to go off every time I pull the trigger, then it is no good to me.
So a new spring and a trip[ to the gun smith sound about right?
Not necessarily. The tension on the firing pin spring is adjustable. There is a set screw that locks the firing pin in place and if the set screw comes loose, the pin can rotate and lessen the spring tension. It happened on one of my 84M and I was getting some misfires from weak pin strike. Try increasing the spring tension and using some locktite on the set screw.
