Quote History Originally Posted By BBTC_MH:
The BCG can affect cycling, feeding/reliability and “bounce”....which all can lead to shooting problems......but “accuracy” has three other major components and a few minor....and the BCG is not one.
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Perfectly summarized. I have a sub 1/2 MOA .223 Wylde chambered AR type built around a Lilja barrel. I've tried phosphate, nitride and NiB (WMD Guns) bcgs. All were semi-auto cut, all bolts in spec, all headspace correct. I cannot objectively identify any difference in accuracy. The test ammo is proven sub 1/2 MOA with Berger Target bullets in Lapua Match cases, hand weighed charges to .1 grain, match primers.
From an accuracy perspective I conclude it does not matter. No difference, controlling for everything else possible.
I do run the NiB-X in that build primarily as a matter of convenience and because there is data to support NiB being less subject to stoppages under extreme environmental conditions compared to phosphate.
FWIW, it has slowly developed a slight bronze patina, but remains as slick as ever.