Lower in need of a life's purpose!

[cwtebay]

Well, traded a bad bill for this from the client's parents.
I need another AR like I need.....well, I don't really need another AR - but it satisfied the amount owed.
BUT!!!! I would like a little poll from the hive in what I should make it into!
I don't want / need: 5.56, 6.5 Grendel, 25-45 Sharps, 22 Nosler or any of the "out there" chamberings (277 Wolverine, etc).
Whatcha y'all think??


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[frkelly74]

I just put a 7.62X39 upper on my lower and have shot it a little with Factory PPU to get some brass and then Loaded them with the 312 155 lee boolit. It was fun and hits pretty hard. I had no malfunctions. I had thought ammo might be plentiful but the POTUS seems to be in the process of fixing that. Also in addition to the 277 Wolverine that I traded into, I am expecting a 300 Blackout upper to be delivered today.

[jdfoxinc]

5.7x28 upper.

[Finster101]

I am really enjoying .300 Blackout but 6mm ARC looks very interesting.

[Gtek]

450B/Socom or sell it to a Mall Ninja for stupid money and buy you something else.

[fastdadio]

Depending on if, where, and what you hunt, 350 Legend could be a plus. The cartridge was designed for the AR platform.

[Finster101]

https://www.hornady.com/6mmarc#!/

https://www.hornady.com/6mmarc#!/

[gnostic]

Build something you can find, or make brass for. I built a 350 Legend and can't find a single piece of brass...

[Texas by God]

The .300 Blackout is easy and fun and cheap to load with ANY .30 caliber bullet-and if you get a ten inch twist barrel it would be a cast bullet star. The 7.62x39 is a good choice for cast and cheap-ish ammo and the 6.8 SPC has a steadily growing one shot kill count on deer and pigs here at our hunting lease.
I'm down to .223 and .300BO for my AR needs.

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[Jsm180]

300 Blackout would be my choice for all the reasons stated.

[stubshaft]

6.5 Grendel or 223 Wylde!

[rockrat]

9mm upper and a magwell adapter for Uzi or Glock mags. Also a vote for a x39 upper

[cwtebay]

I am appreciating all of the suggestions!!
I am not crazy about having a 300 BO just yet as I have young shooters in the house and don't want the risk (even though minute and a "should know / be taught better" issue), I have a 223 Wilde, my wife has a 6.5 Grendel, my daughter has the Sharps and I just sold a few of the other ones.
I do like the idea of the 7.62x 39, and I did actually think about the 5.7. I've always thought that an AR in 401 WSL would be amazing!
Keep em comin!

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[DDriller]

6.8 spc or .458 Socom

[imashooter2]

I had the same problem and solved it with a 300 BLK upper.

But I already had a 9mm. Do you? Lots of inexpensive fun!

[jonp]

I was going to suggest the 300BO since you have 223 brass. Since you have several other various calibers my vote is for either something big like a 450 Bushmaster or any of the various pistol calibers. I'm leaning towards the pistol especially 9mm.

[Lloyd Smale]

my two favorite chamberings are the 300 bo and the 9mm. But to me if i was going to do a 9mm id want to start with a dedicated 9mm lower. Not much more fun or cheap then shooting a 9mm ar. Ive got a 300 hamr and a 6.5 grendel that are both much better deer hunting ars then my bo's but i have killed deer out to 200 yards with a bo using barnes bullets and the 300 bo is just cheaper to shoot then the hamr. Easier to find brass for, is able to use more different bullets and pushes a cast 130 as fast as needed and is much better for subsonic although that doesnt interest me alot. If i had to pick between the bo and 9mm it would probably be the bo. Just because its a capable short range deer rifle and its till pretty cheap shooting with cast bullets compared to the 556. I have 6 kegs of wc820 and did some experimenting and found a good load using 16 grains of it and a 130 rcbs spitzer gas check mold pc coated. Only problem today is finding primers but thats a problem no matter what your gun is chambered in. If deer hunting is your main consern its VERY HARD to beat the 6.5 grendel.

[MrWolf]

Throw a .410 upper on it. I have a Charles Daly 410 and really like mine. Wanted something different.

[farmbif]

300 ham'r is an interesting new round, I really like the 6.8spc. got on the 300bo bandwagon when it was all the rage but never really appreciated it, that one I could take it or leave it.
if I were to put together a new upper I think I would try out the 300 ham'r, but that's just me.

[Burnt Fingers]

Make a dedicated 22 LR out of it.