My $0.02 on McGowan.
A 338 Edge barrel and a 300 WM barrel.
300 barrel purchased from Jim at NSS. Took a looooooong time to break-in. Like 60-70 shots or so. Now there is very little fouling and it shoots under 0.5 MOA.
338 Edge, pretty major communication issues and two missed deadlines. I stayed after them and was polite and they waived some charges and I got another barrel that shot under 0.5 MOA with much easier break-in.
I believe I'd own another one...purchased from someone that had the barrel sitting on the shelf. ;D
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