AR 15 build in 7.62x39

[WSU]

I'll preface this question by saying i know very little about ARs.  I've built one lower and bought the upper already put together.  I'm thinking of building an AR in 7.62x39.  I've read they have cycling problems.  Is that the case if you shoot brass ammo? Any recommendations for components? I'm looking for a relatively cheap to middle of the road build.

[hunter399]

Do it ,i have never done it ,got a tactical sks that sits in safe, but I hear there not as bad as everybody says.I built a 300blk instead but 7.62x39 this was my second choice ,300blk just because it was cheaper to buy the bolt ,mag,barrel.

[Special T]

Had a buddy with one and it was a jam O matic. This was even after he spent lots of hours polishing every contact surface to a mirror shine. If you like that round why not build a AK or get an Sks?  If I had a 556 upper I'd probably go with a 6.5 Grendel  over nearly anything else.

[257wbymagkiller]

I have a Windham weaponry in 7.62x39 and it will eat any ammo I feed it I know it's not one that I built. But it eats brass or steel all day.