No one is sending me ugly grams so here is more. I also repaired the spacing issue in the first post.
07/26/2019
Fired 50 more rounds thru the Kahr 380. The first two magazines fired without a problem. The next few magazines had failures to feed at least one per magazine. A quick bump on the back of the slide solved the problem. I at first thought it might be the ammo, MaxxTech hardball 95 grain. However I changed magazines and the problem stopped. Looking at the magazines there is a subtle difference in the manner in which they are cut along the sides of the mag. This needs further exploration and I have relegated the offending mag to the safe until I can contact Kahr.
08/17/2019
I purchased a Magguts systemfor the 6 round magazine. This allows the magazine to now hold 7 rounds. The magazine functioned like a charm. 40 more rounds through the gun. I have also decided it may have been the MaxxTech ammo.
09/30/2019
I fired another 40 rounds through the CW 380. No malfunctions and no issues hitting the target. I plan on changing carry ammo to the Lehigh Defense .380 Auto Xtreme Penetrator ammunition. I will buy a couple of boxes and check for reliability before adding it as a definite carry option. Reasons, I saw an autopsy report involving a suspect being shot with three rounds of Speer Gold Dot,penetration was not good. One round did not reach the vital organs and lodged in the stomach lining. The suspect did die, but only because one round hit the brachial artery and after he ran away, he hid from responding Officers and bled to death.
Purchased 20 rounds if the Underwood Lehigh ammo, the 95 grain Xtreme Penetrator. I will try these soon for reliability.
10/25/2019
I test fired 8 rounds of the Underwood 90 grain Xtreme Penetrator round at 10 yards. The accuracy was excellent and functioning was flawless. It seemed to be a little hotter than the other defensive ammunition I have fired in this gun. I had the Underwood ammo loaded in the magazine with the Magguts spring and follower kit. I am very pleased with this setup. I also fired 30 rounds of a handload consisting of mixed 380 brass, a Berry's 100grain plated bullet, 3 grains of Titegroup powder and Rem SPP. This is a fine plinking/ practice load and 8 inch plates were no problem at 15 yards. I burned up another 25 rounds of the MaxxTech 380 ball ammo practicing with the little gun at close range firing with one hand from a retention position and with 2 hands at 3 to 5 yards. I have noticed that after approximately 100 rounds the gun wants to occasionally hangup a little requiring a bump to the back of the slide to finish chambering a round. In all fairness I haven't cleaned the gun in the last two range trips. It may also be the Maxxtech ammo as I have discovered it has a somewhat thicker rim than other rounds. I think the Fiocchi probably had the same issue.
I did clean the gun when I got it home.
I have also ordered the Xtreme Penetrator bullets from Lehigh ammo and will try brewing my own handloads for this bullet. They are not cheap, 20 rounds of loaded ammo from Underwood cost $38.42 total, shipping and taxes. The bullets from Lehigh ran me $40.31 including shipping for 50 bullets.
Reloaded 10 rounds of the Lehigh 90 grain Xtreme Penetrator bullet into Federal brass over 3.2 grains of Titegroup powder. Functioned perfectly and accuracy was great.
02/25/2020
The Kahr CW380 has been carried quite a good bit and will need a range trip again soon. It travels with me on business trips as a second back up gun and has ridden in my pocket in a Sticky holster while walking, taking out the trash etc. My wife borrowed it for a time when she was carrying a smaller purse and her Glock 42 would not fit in the outer pocket on the new purse.