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Old May 22nd, 2019, 08:03 PM #21
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Originally Posted by outrider58 View Post
I have a melonite BC you can have. Hahaha!
It's actually never given me any trouble.

Sent from my SM-G965U using Tapatalk
I adhere to strict SOTAR protocol...I'll pass...lol
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Old May 22nd, 2019, 09:20 PM #22
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Originally Posted by outrider58 View Post
I prefer nitride.
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Originally Posted by outrider58 View Post
I have a melonite BC you can have. Hahaha!
It's actually never given me any trouble.

Sent from my SM-G965U using Tapatalk
Are black nitride and melonite not virtually the same thing?
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Old May 22nd, 2019, 09:24 PM #23
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For the OP, I believe this is a good deal on a good BCG. On sale for Memorial Day.

https://palmettostatearmory.com/palm...roup-8779.html
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Old May 22nd, 2019, 09:29 PM #24
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For the OP, I believe this is a good deal on a good BCG. On sale for Memorial Day.

https://palmettostatearmory.com/palm...roup-8779.html
When I visited Chad recently he did reliability work to mine and it gauged fine. That's a great deal.
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Old May 22nd, 2019, 09:34 PM #25
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Originally Posted by omegared24 View Post
When I visited Chad recently he did reliability work to mine and it gauged fine. That's a great deal.
I have one I am sending him this week (along with two new AOs). I expect it will be fine. He previously told me the chrome lined phosphate PSA BCGs are usually solid. I usually go with Spikes, but for less money you can get these or AO and Chad's reliability job. Seems like a no-brainer.
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Old May 23rd, 2019, 01:43 AM #26
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Quote:
Originally Posted by Silverlode View Post
I have one I am sending him this week (along with two new AOs). I expect it will be fine. He previously told me the chrome lined phosphate PSA BCGs are usually solid. I usually go with Spikes, but for less money you can get these or AO and Chad's reliability job. Seems like a no-brainer.
It was interesting to see the difference between BCGs when I was there. The chrome lining was fine with the PSA but you could see machining marks vs how smooth the chrome lining was on the Aero Precision BCG he worked on. Apparently that is common with budget BCGs that tend to spec properly. Maybe PSA snatches them up at a bargain because they don't meet a particular standard. That's fine with me. I'm not looking for pretty...I'm looking for functional.

He had a list of BCGs that had been checked. Everything the guy says on this board is consistent with what the numbers say. One thing that stood out was how the numbers looked for fancy coatings and nitride BCGs...regardless of manufacturer. They were off.
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Old May 23rd, 2019, 08:56 AM #27
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Quote:
Originally Posted by omegared24 View Post
It was interesting to see the difference between BCGs when I was there. The chrome lining was fine with the PSA but you could see machining marks vs how smooth the chrome lining was on the Aero Precision BCG he worked on. Apparently that is common with budget BCGs that tend to spec properly. Maybe PSA snatches them up at a bargain because they don't meet a particular standard. That's fine with me. I'm not looking for pretty...I'm looking for functional.

He had a list of BCGs that had been checked. Everything the guy says on this board is consistent with what the numbers say. One thing that stood out was how the numbers looked for fancy coatings and nitride BCGs...regardless of manufacturer. They were off.

I could be wrong but between the chamber and bolt, tolerance stacking seems to be more apparent here. I would say most individuals do not have the precision tools for precise measurement of bolts or the proper practice. From my own experiences I have run across my first barrel that would not headspace with a toolcraft bolt, second barely headspaced.
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Old May 23rd, 2019, 11:19 AM #28
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Originally Posted by jrumann59 View Post
I could be wrong but between the chamber and bolt, tolerance stacking seems to be more apparent here. I would say most individuals do not have the precision tools for precise measurement of bolts or the proper practice. From my own experiences I have run across my first barrel that would not headspace with a toolcraft bolt, second barely headspaced.
I'm no expert but it is pretty alarming how often parts fail when they are gauged. I believe Toolcraft only makes carriers. Who knows where the bolts come from. I'm happy to pay a professional to check things because the tools can be cost prohibitive and he'll have an eye for something I might miss. Thus my recent lower rebuild.

During my last visit to Chad, we checked both the Aero and PSA BCGs in an upper that I had purchased from him a while back so I knew it was good. The Aero worked perfectly. The PSA was a little tight but was still good (should wear in with use).

The important take away here is that manufacturers have let QC go to help cut costs. They've also started selling parts with different treatments/coatings to meet demands of the consumer. We need to make sure that we check parts so we minimize issues and don't have catastrophic failures. You, as well as others that are educated about the subject, get that. Others just listen to the interwebz experts and hope for the best.
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Old May 23rd, 2019, 11:31 AM #29
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Quote:
Originally Posted by Silverlode View Post
For the OP, I believe this is a good deal on a good BCG. On sale for Memorial Day.

https://palmettostatearmory.com/palm...roup-8779.html
+1 well maybe two
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Old May 25th, 2019, 10:35 AM #30
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Quote:
Originally Posted by outrider58 View Post
This would be what you're looking for OP. Opt for the 158 bolt.

https://www.armorally.com/shop/toolc...v=7516fd43adaa
That is a great deal!
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