m4 only fires properly after about 15-20 shots
Hey all, I have an Echo 1 troy mrf-c M4 with a newer spring and a stronger air nozzle. Recently the gun would blank fire, shoot 2 bbs, or shoot 1 properly, until about 10-20 shots. After that it would shoot completely fine. I've lubricated my mags (mid caps) and they seem to all be working perfectly. Does anyone know what could possibly be causing this problem?
Thanks
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