I received the barrel today. It looks pretty good to me.
I also ordered an Expo Arms charging handle because it was $13 and made in the USA. I compared it to another that I purchased off GunBroker that was also listed as being made in the USA. The Expo Arms (bottom) has a phosphate type finish while the one I got off GunBroker has a painted type finish. They look identical otherwise. When I pressed the latch I immediately noticed that the Expo Arms latch has more resistance. Here's why...
The spring in the Expo Arms charging handle is clearly thicker. I can't imagine the savings that the other manufacturer realized by using such a thin spring on the other charging handle, but it must amount to something. I can't really tell anything about the Expo Arms barrel other than the cosmetics. However, if the spring in their charging handle is representative of their attention to detail versus the competition, then I'll be all over their other products.
I just wanted to update this thread with my own Expo Arms experiences. During this COVID gun panic I decided to put a nicer rail on my 10.5 and also decided to build a new AR out of my spare parts bin. I was able to accomplish both of these goals with expo arms parts. I think at total I have an upper, BCG, rail, MD, pistol grip, and charging handle from them. Everything has been perfect fit, and 100% function for 100 rounds. Their combat series rails are of significant value for the product that they deliver. It has the same lock up and barrel nut as the $200 CMT rails.
Tactical Nylon Micro Brewery
Bumping this thread to see if there is any updated info / experience on these barrels. I have a buddy that is looking at their 11.5" SOCOM profile. I have never heard of them. I see from this thread they are a Primary Arms brand name.
Gettin' down innagrass.
Let's Go Brandon!
I dont own one, but have talked to 2 guys on TOS that have bought and used these. They are happy with them. I say worth a buy if it fits his criteria. PA is really easy to work with if he has any issues or wants to return for any reason
I will prob pick one up later this year
Primary Arms has their Expo Arms parts on sale right now. The barrels are $40 to $50 off each. I bought an 11.5" for an upper build for my M16.
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