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Quick question about BGCs

  • Thread starter Thread starter Bassbob
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Bassbob

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So tell me if I have this right. If I was to swap bolts I would need a go-no go gauge, but if I swap the entire BCG it's just drop in and go right? My point is I want to upgrade the BCG in my Witch Doctor and keep the stock for a spare.
 
Bassbob said:
So tell me if I have this right. If I was to swap bolts I would need a go-no go gauge, but if I swap the entire BCG it's just drop in and go right? My point is I want to upgrade the BCG in my Witch Doctor and keep the stock for a spare.
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Either way you do it a no-go go gauge is the proper process to ensure safety but honestly if you're buying a decent name brand BCG or bolt it should be a direct swap without an issue.

Also an upgraded BCG is not going to make your rifle run any better and the benefits mostly come from DLC or Nickel coated BCGs in terms of easier cleaning. I tend to use mostly nickel coated in my firearms for this reason.

Stay away from anything made of chinesium

What upgrades are you looking to achieve?
 
10mmLife said:
Either way you do it a no-go go gauge is the proper process to ensure safety but honestly if you're buying a good name brand BCG or bolt it should be a direct swap without an issue.

Also an upgraded BCG is not going to make your rifle run any better and the benefits mostly come from DLC or Nickel coated BCGs in terms of easier cleaning. I tend to use mostly nickel coated in my firearms for this reason.

What upgrades are you looking to achieve?
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The stock BCG is a full auto M16 type and I have no issues that need resolving. I just feel the need for an extra and if it's easier to clean all the better. I was looking at BCM.
 
Bassbob said:
The stock BCG is a full auto M16 type and I have no issues that need resolving. I just feel the need for an extra and if it's easier to clean all the better. I was looking at BCM.
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You can't go wrong with BCM and a spare bolt is a great item to have on hand especially now where parts are getting scarce.
 
I'm with Talyn on this...never had issues with them, but I did check headspace early on...now, as long as it's quality parts, I don't worry.

About the only time I might consider it necessary is if I had a lot of rounds through the rifle, and was dropping in a brand new bolt. Then I might use a gauge.
 
AR/M16s are so modular with (quality) parts being so interchangeable that headspace is a moot issue unless it's Larry, Daryl & Daryl's AR part company.


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The go / no go gauge thing is easy peasy. I’m mechanically challenged and I figured it out just fine.

I’m getting a spare BCG and will definitely use my gauges on it justto be sure.
 
Caro said:
The go / no go gauge thing is easy peasy. I’m mechanically challenged and I figured it out just fine.

I’m getting a spare BCG and will definitely use my gauges on it justto be sure.
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Its definitely better to be safe then sorry especially considering how fast products are being rushed to market to fill demand and the skeleton crews working at the factories because of covid.

I feel QC may have taken a back seat for a lot of companies this year for the reasons I listed above.
 
The carrier does't have anything too do with headspace, but that doesn't mean that 1 didn't get made within specs? When the barrel gets timed with the barrel extension is where the headspace is guaged. When the bolt locked in it is then headspaced just like a bolt action gun. Better safe than sorry! I've been told too much headspace is worse than to little. I haven't tried it either way to find out and don't plan on it!
 
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