NEWBY

[m24shooter]

Shouldn't. Some uppers fit poorly due to stacked tolerances. But in general, receivers are either in spec or they are not. Some have to be pushed together, some slop, and some fit like a glove.

[clayart]

good deal. I just noticed that I could see light between where the upper sits on the lower and had initially thought that should not be the case. Sounds like it is going to be a non-issue though, so great.
By the way I just want to again thank everyone for all there answers. This forum is making this building process much easier.

[TigerStripe]

What's your question? If the Vltor upper and DPMS lower will "mate" well? If that is your question, they should go together well as far as fit and mechanics go. DPMS lowers are good in spec lowers. I've built a few DPMS lower and I've swapped uppers just to see.


TS



If I sound sm*rt*ss I don't mean to...

[clayart]

not at all. that was my question exactly,....how well hey would mate together.
I appreciate the feedback.

[clayart]

what makes an "auto" BCG an auto? I am assuming that since there is a designation given of either "auto" or "semi" that their is a difference....or can you use a BCG "auto" for a "semi" application?

[Soulrack223]

An auto carrier has more material at the back bottom, and simply weighs a little more.

ETA You can use an auto for a semi application.

Go to this link and about halfway down the page there are LMT and CMT BCGs above one another in auto and semi configurations. You can see the extra material on the back bottom portion of the auto carriers. http://www.bravocompanyusa.com/AR-15...-Parts-s/2.htm

[clayart]

thanks for the info. I will check that out. I was interested in the BCM BCG that Bravo offers but the $130.00 was stating it was "auto".

[CDDM416]

Clayart, try this, http://www.ar15.com/content/page.html?id=254 it helped me, i put it my fav's.

[clayart]

that was very helpful. thank you. I have bookmarked it as well. I finally know what BUIS stands for!!