Kahr PM40 - Slide Locked Back

[EddieZoom]

Back from the range this morning. I've got a PM40 that has been broken in (~350 rounds). Shooting a couple of mags of carry ammo. After 3 or 4 rounds, slide locked back with rounds still in the mag. Unable to get the slide forward no matter what I try.

Out of good ideas. Before I ship this back to Kahr, and advice from the NES universe ?

Thanks.

 

[Glockster30]

Are you able to remove the loaded mag? Might be slide stop spring or a broken mag follower.

From the Kahr website:

Q. My slide locks back after each round fired. What is wrong?

A. Either the slide stop spring is damaged or it is a broken follower. Please call 508-795-3919 and ask for replacements. Instructions for replacing the followers are in your Owner's Manual. The slide stop spring is held with a T6 torque screw.

http://www.kahr.com/faq.asp#q11

From a gun test site:

I had the PM40 with stainless slide and night sights for about 10 months. Slide would lock back in the middle of a magazine (every 10 rounds on average), slide wouldn't lock back at the end of a magazine (occasionally), the rearward motion of the barrel would cause the feed ramp to contact the follower, so the followers would break at between 50-100 rounds, at one point the magazine itself came apart at the seam from being hammered by the feed ramp.

http://www.gun-tests.com/gow/handguns/Kahr-PM40-No-4043-40-SW_13194-1.html#.V8XBP_mU3cs


Another possibility is not reassembling the slide stop correctly and bending the spring after cleaning the gun:

[h=2]Kahr 40 slide stop spring[/h]

I have a Karh compact 3.5" barrel pistol, .40. No problems whatever in well over 800 rounds. Disassembly is easy but reassembly requires careful attention to re-insertion of the slide stop so that the correct part of it goes UNDER the small spring on the slide. I apparently did not do that right during one of my cleanings and bent the spring which cause to slide to stay open after one shot. I called Kahr and they are sending me a new spring. Not a really big deal, easy to replace (I hope), but wondering if anyone else has had similar problems and suggestions as to how to avoid them.​

http://www.gunrightsmedia.com/showthread.php?421861-Kahr-40-slide-stop-spring

 

[EddieZoom]

Not the mag, good there. Gun is empty/safe, mag drops without issue.

The slide stop issue has me thinking...I've followed this re-assembly procedure a few times now so I should know better...but I *did* just have this thing apart for a cleaning...hmmm.

Thanks.