My rifle has a 1:7 chrome lined heavy carbine barrel with a 5.56 NATO chamber. At the time I was shooting federal 55grn FMJ .223 ammo. I did perhaps wonder if I had too much grab on the extractor.
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I built the weapon from parts I got here and there. There isn't a bushmaster part in the whole weapon to my knowledge.
....a 6yr-old thread...
...that quite clearly and specifically has the word "Bushmaster" in the title....?
....when your gun isn't a Bushmaster....?
Makes perfect sense. :rolleyes:
https://www.m4carbine.net/gtsearch.p...2485j473271j16