shooterrex Posted May 19, 2019 Report Posted May 19, 2019 Purchased a PSA 4" barrel pistol kit. Upper has a huge flash can and a 5" rail. Didn't weigh the buffer but it seems heavier than normal. I used an Armalite 308 buffer spring. Hand cycles with Glock magazines using Stern Defense adapter. Also hand cycles with the Mean Arms Endomags. Ran 90 rounds through it using the endomags. Not even 1 hickup. Cheap old red dot I had laying arround. Target was at 15 yards. Standing quick double taps.
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