Ive ssen a few nitride bcgs for around 90$ (Brownells, Apoc, Prime Weapons, PSA, Toolcraft), then some for around 130$ (Aero Precision, Odin Works) and then some for around 170$ (Ranier Arms, Noveske). There are debates between the different materials used in these bolts and I'm no metallurgist. I assume they are all milled correctly. Is there a discernable difference between in quality and reliability between different carrier manufacturers and or materials used?
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