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BCG for aero upper


BubbaGump

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Howdy everyone,

Working on my first ar10 build and just got my “complete upper” in, not realizing it didn’t come with a bcg. This is the one https://www.aeroprecisionusa.com/m5-16-308-cmv-complete-upper-atlas-s-one

it’s my understanding that there are different types of BCGs for the ar10 platform and after a ton of research I can’t find any info on the one I need. So in hopes of stopping this headache I thought I’d ask some experts. And yes I did contact aero and they just told me I need one of their BCGs (great salesmanship right there).

Any help is appreciated, thx

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You have an Aero Precision 308 AR upper.  Nothing you have is remotely AR10. It may seem nitpicky but clarity of definition is hugely important with these big cousins because every manufacturer can make parts any way they see fit and very few aftermarket sellers know the difference.   AR 10 only refers to Armalite products. 

As unforgiven said, Toolcraft works or why not an Aero Precision BCG since your upper is Aero?  Other than the fact that in stock items are hard to come by.

Here ya go.    2 models in stock      https://www.aeroprecisionusa.com/m5-ar308/spare-parts/bolt-carrier-groups           

https://www.brownells.com/rifle-parts/bolt-parts/bolt-carrier-groups/ar-308-bolt-carrier-group-phosphate-prod84516.aspx?avs|Cartridge_1=AAK_30%2bCaliber%2b(xzzx308)

Edited by dpete
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I can't (and won't) speak for Aero Precision stuff (I have not put my own hands on much of it) but there are Nitrided and Nickel Boron ones listed on AR Parts Finder as having come in stock at Aero Precision very recently:

http://arpartsfinder.com/instock/index.cgi?type=bcg&quant=25&s=308&min=&max=&sortby=duration-asc

 

 

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48 minutes ago, Tack14 said:

I can't (and won't) speak for Aero Precision stuff (I have not put my own hands on much of it) but there are Nitrided and Nickel Boron ones listed on AR Parts Finder as having come in stock at Aero Precision very recently:

http://arpartsfinder.com/instock/index.cgi?type=bcg&quant=25&s=308&min=&max=&sortby=duration-asc

 

 

Yup, the link I posted goes to the Aero site where both of them are.

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