350 thx

RRomig · Dec 9, 2021

Too many different threads to jump on and offer my appreciation but sighted in my AR 350 legend today and all the advice paid off! I had an older 223 collecting dust so I converted it over. Thank god the barrel (stoner) and AGB (seekins) were ordered before I read some of the very discouraging post about this set up. The mag trick proved to be super valuable along with some ammo options. Gun works perfect and shoots sub MOA.
Thanks!!!

camo556 · Dec 9, 2021

good luck!

midnightSGT · Dec 10, 2021

OUTSTANDING! Now go harvest a big buck!

bigjohn · Dec 11, 2021

Pics? Parts list? I’m currently hunting with a blackout but thinking about a 350 build in the near future

RRomig · Dec 11, 2021

bigjohn said:
Pics? Parts list? I’m currently hunting with a blackout but thinking about a 350 build in the near future

Stoner barrel
Seekins adjustable gas block
Ruger mags with the 1/4 cut off retaining ledges
Timney drop in
Winchester 180 grain
Dead air primal
Scope sets up a little high to align with a night vision clip on I used a few years back before I went thermal. Kinda glad I left it this way because there are dogs on the properties I put it together for.

camo556 · Dec 11, 2021

bigjohn said:
Pics? Parts list? I’m currently hunting with a blackout but thinking about a 350 build in the near future

tbh if you can hunt with 300blk, I don't see an advantage in switching to 350 legend. Nearly the same ballistics.

bigjohn · Dec 16, 2021

camo556 said:
tbh if you can hunt with 300blk, I don't see an advantage in switching to 350 legend. Nearly the same ballistics.

True but the 300bo isn't legal in Delaware and the 350 is

rxcrider · Dec 30, 2021

Nice looking AR! I built 350 Legend AR and it is very accurate, but man I have issues with the second shell feeding.

Muleskinner · Dec 30, 2021

I have the Stoner upper in 350 Legend but won't hunt with it because I have feeding issues. I have tried 3 different mags. CMMG, C- Products and Stoner. What did you do to fix the feed issue? I would like to use it next weekend. The rifle is sighted in and is very accurate...it's the feed issue that keeps me from using it in the field..

gwchem · Dec 30, 2021

Try to Dremel off about a quarter inch on the feed lips. Keep the same profile, just move the raised sections back.

Muleskinner · Dec 31, 2021

gwchem said:
Try to Dremel off about a quarter inch on the feed lips. Keep the same profile, just move the raised sections back.

Got any pics?

camo556 · Dec 31, 2021

Muleskinner said:
Got any pics?

thread

https://www.mdshooters.com/showthread.php?260418&p=6446628

Muleskinner · Dec 31, 2021

camo556 said:
thread

https://www.mdshooters.com/showthread.php?260418&p=6446628

Perfect, many thanks

gwchem · Dec 31, 2021

If that thread doesn't work, let me know and I'll send pics tomorrow.

Muleskinner · Dec 31, 2021

gwchem said:
If that thread doesn't work, let me know and I'll send pics tomorrow.

It worked. Gonna modify one of my mags sunday and hit the range Monday to try it out. If it works out next weekend i will hunt with it.. i certainly appreciate it

RRomig · Jan 5, 2022

Muleskinner said:
I have the Stoner upper in 350 Legend but won't hunt with it because I have feeding issues. I have tried 3 different mags. CMMG, C- Products and Stoner. What did you do to fix the feed issue? I would like to use it next weekend. The rifle is sighted in and is very accurate...it's the feed issue that keeps me from using it in the field..

Sorry I didn’t see your question but you got the correct answer. That made all the difference from one fail per mag to none. Mine works perfectly every time now. I’ll be taking it out this weekend. I passed on a couple 3yr old bucks last time out so no practical use yet. Would like to at least get one more doe for the freezer or an old used up buck. Good luck !

Muleskinner · Jan 6, 2022

So yesterday I took my Dremel tool to one of my 350 legend cmmg mags and trimmed about a quarter inch off of the feedlips.. This morning I drove down to Delmarva. It's only a five round mag but I loaded it four times and shot an entire box of 145 grain full metal jackets and two mags full of the 180 grain Winchester deer hunters without a failure.

I would like to express my thanks to those who posted the magazine modification. It appears to have fixed my reliability issues. I'll be taking that to the woods tomorrow. I genuinely appreciate ya..

I have two or three more magazines that I'm going to modify.

RRomig · Jan 6, 2022

That’s great. That was the single biggest improvement and when I saw the camo556 post it made perfect sense. I put a couple rounds through mine today to double check zero before tomorrow’s hunt. Good Luck!

camo556 · Jan 6, 2022

thanks.

Cant take credit for the idea though I saw it elsewhere.

It fixes a symptom, but the real problem IMO is 1- uppers that have m4 cuts and/or 2- poor feed ramps.

Muleskinner · Jan 6, 2022

camo556 said:
thanks.

Cant take credit for the idea though I saw it elsewhere.

It fixes a symptom, but the real problem IMO is 1- uppers that have m4 cuts and/or 2- poor feed ramps.

It's a hunting rifle. a FTF or FTE every once in a while is acceptable..Not every other round though..

If it were a defense gun I wouldn't be happy but it's not..thanks for bringing the fix to our attention.

350 thx

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