Jim Morris Posted February 4 Report Share Posted February 4 I bought a Stemple Mk2 last fall, and today is the first day that I've been able to take it to the range. I have 5 magazines, all of which appear to be in good condition. The gun failed to fire more than one or two rounds before jamming with a fail to feed. I don't think that the fail-to-feed problem is caused by the magazines, as it occurred with all 5 magazines. I'm wondering if the ammo (PMC Bronze 115 grain FMJ) could be the problem, or if the gun needs a total rework/tuneup. Link to comment Share on other sites More sharing options...
StrangeRanger Posted February 4 Report Share Posted February 4 It's not the ammo, PMC is pretty reliable stuff. Have you proved out your magazines with a feed lip gauge? https://brpguns.com/sten-magazine-gauge-good-condition/ Over 3/4 of my mags need adjusted. Your lot may be better or worse. You're right though; it's most likely to be a gun related problem. Make up some dummy rounds (no powder or primer and cycle it slowly by hand and see where it loses control of the cartridge. Link to comment Share on other sites More sharing options...
2ndArmored Posted February 6 Report Share Posted February 6 Additionally, if you've got a high-speed / slow-motion setting on your phone's camera, you can "fire" a dummy round and record it to see what the weapon is or isn't doing correctly. Some problems are misleadingly hidden (or appear) when hand cycling but their manifestations are too brief to detect when shooting. Link to comment Share on other sites More sharing options...
Rekraps Posted February 7 Report Share Posted February 7 Good advice all. Link to comment Share on other sites More sharing options...
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