Had a problem last Sunday myself.
Was shooting my new 2017 Kimber CDP Pro in 9mm.
Round Count stands at 250.
Using Freedom Munitions 147 Gain RN new ammo.
Last 50 Rounds of 250 (all Freedom Munitions) put through the gun.
Constant Stovepipes, Failure to Eject, Double Feeds.
Gun was pristine clean and lubed.
Range safety officer came over wanted to know what the problem was.
He stated, "It sounds like your using weak ammo. When you fire sounds like you are shooting a 22.
Loaded up some Federal HST 147 and 147 +P absolutely No problems.
Another 1,000 rounds on order. 147, 124, 115.
We'll see what happens.