I think the Gemtech, Primary Weapons Systems, and Bootleg bolt carrier groups are all made by the same company. They are generally very high quality products.
With regard to the pictures and mdrums's bolt carrier, I think the bolt carrier is nitrided (or melonited or isonited, whatever they want to call it), and I am guessing the top surface of the bolt carrier group (and probably the whole thing) is rough, or at least not polished very smoothly. I have seen nitrided gun parts that were polished to a glossy finish, and some that were very rough.
If you are going to continue shooting with it, I would make sure it's well lubed in those problem areas. If you had it well lubed when you were shooting with it, I wouldn't shoot with it anymore. That's a lot of wear for 150 rounds.
I'm curious what PWS/Bootleg will say. Their customer service is generally very good.
Joe Mamma
"Reliability above all else"
NRA Certified Pistol and Rifle Instructor, Life Member
Glock Certified Armorer
Beretta & Sig Sauer Certified Pistol Armorer
Colt Certified 1911 & AR-15/M16/M4 Law Enforcement Armorer
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