98Z5V

There's a difference in the two chambers, but very minute. It might cause a crazy reading if you use NATO gauges trying to read a .308 Win chamber, and vice versa. It's not the astrononmical deal as it is with .223 Rem and 5.56 NATO. 5.56 NATO fires it all. .223 Rem will have issues, over time, if all you shoot is 5.56 NATO through it. That .223 Rem chamber can eventually fail on you with the 5.56 NATO ammo. The primary differences between those two chambers is well documented on the web. The 5.56 NATO basically has a longer leade, and can take more pressure because of it. Case-wise, external dimensions are the same. Wall thickness on 5.56 NATO is greater. Same powder charge in .223 Rem vs. 5.56 NATO = higher chamber pressures in the 5.56 NATO brass. Then there's .223 Wylde. A hybrid between those two chambers. It shoots both loadings, and it shoots 5.56 NATO with a little better accuracy - the 5.56 NATO chamber is not designed as an "accuracy" chamber. The .223 Wylde is the hybrid chamber that does it all. Now, after that long-a$s sermon - there IS another .308 chamber. Some manufacturers call it a "hybrid" chamber, others call it whatever they want. I know Fulton Armory calls it a Hybrid, and I'm pretty sure Armalite does, too. How are standard gauges gonna work in that? Eh, they'll pass and fail what they need to, if the situation arises. From those two manufacturers (CRiterion makes the Fulton barrels), you really don't need to worry. I'm not saying don't check it - check everything in this platform, because there is NO standard... This ain't .223 Rem/5.56 NATO, that actually has a pattern to follow... The bottom line is this - .308 Win and 7.62 NATO are the opposite of the 5.56 game. The .308 Win is the higher-pressured loading. In modern barrel manufacturing, you don't really need to worry about what your barrel is marked, be it .308 Win or 7.62 NATO. Modern barrels will shoot both equally well. Don't shoot alot of .308 WIN through your old mil-surp 7.62 war memorabilia rifles, though - you'll eventually have an issue. Thus endeth the lecture...

You got lucky, man!

Is this it?... https://www.shooting.org/Ranges/Texas/Liberty/Rives_Rifle_Range

Bump... from the days of old. Saw someone reading it...

That's not good....

I fully read it. I fully read it when those a$sholes passed it. I don't care what it "clearly states", or how some attorney explained it to you, as his interpretation. I don't care about that. I care about you- YOU - as a member of this board (now that you've joined), and asking build advice here. I don't care what you interpreted out of it, and I don't care what your attorney interpreted out of it - I care what the LAW in your state says "is the law." You're her asking for build advice, and I don't live in your state, and I don't live under your state's bullshiit laws. Not many here do. Yet, you need advice from us. I know for a fact that your state's law are more fucked up than California's gun laws - and that's hard to do. At least the members in California fight this, and have a pretty comprehensive flow-chart to deal with their BS gun laws - your state DOES NOT have that. My bottom line is this - you, basically, are on your own. You're alone, with all other New Yorkers. No one here will turn their back on you, but no one here can advise you on about... anything. If you wanna pin your mag, and think you're okay with threaded barrels - then you have at it. You're gambling on your own security here, and your own future. If you wanna do something for New Yorkers, then develop something like this for them: https://www.calguns.net/caawid/flowchart.pdf

I didn't think that "feature" negated all the other things that they put into law. I might be very wrong on that. Not slamming you, personally, but you'd have more "free" AR legislation against you if you lived in California. No kidding.

WTF...

I'd at least give it a shot - Caveman style, with that short stick...

SAFE ACT details:

Review this one - even thought there's no real info there on building. https://safeact.ny.gov/ Here are details on it that you won't find in that "official website" I linked above: https://en.wikipedia.org/wiki/NY_SAFE_Act Threaded barrel - are you good, OP? You can have threaded barrels in that state now?

That's a good plan, right there.

^^^ I'm with this guy. But... I'd poke it with a big knife first, just to see what happened....

Looks like it's the American Spirit Arms ASA 308... https://www.google.com/search?q=American+Spirit+Arms+ASA+308&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiS4Lu-4JbXAhUKiVQKHWyBCqgQ_AUIDCgD&biw=1366&bih=659#imgrc=_ Here's what I'm seeing available from them, for stripped uppers: https://www.americanspiritarms.com/Side-Charger-Upper-Receivers-s/115.htm Here's what they have for a complete upper - these two would work, probably: https://www.americanspiritarms.com/product-p/ua-16-308.htm https://www.americanspiritarms.com/product-p/ua-spr-308.htm It's gonna suck if they don't offer that stripped upper separately - and you have to buy the whole upper assembly. Unless you like those two options.

Might be true, however... - it doesn't look like they manufacture that pattern now. Might be a big hunt for that upper, if you want everything to run right. Another option, seriously, is to sell it now before you get too deep into it, and just pick up an Aero Precision M5 set and start with that. Call ASA first, man... they might have old stock laying around... EDIT - You might be thinking of Eagle Arms... EDIT 2 - a pic of your lower, that you have now, will help. I'm just sayin'...

You pretty much have it covered, then. The only major, major differences between the two, as far as tools go, are whatever rail or handguard you buy for the big one, the armorer's wrench for the AR-15 probably isn't gonna fit the new barrel nut. Most higher quality handguard kits come with the appropriate barrel nut adapter or wrench, though. The muzzle device slot in the armorer's wrench won't fit the flats on a .30-cal muzzle device. Everything else shouldn't be an issue. You're in New York, right? Check into that batch of stupid new laws your awesome representatives voted in. Don't build something that's gonna get you turned into a Felon.

If I were buiding that rifle right now, I would use one of these barrels, and wouldn't be considering anything else but one of these 3... Look at the ".308 AR Fulton Armory Barrels" here, from Criterion Barrels: http://criterionbarrels.com/barrels/.308_AR Look at the "AR.308 Premium Series" here, from Ballistic Advantage: http://ballisticadvantage.com/ar-parts/ar-barrels/ar308/premium-series Look at the "Match Series" selections on this page, here, from Faxon Firearms: http://faxonfirearms.com/barrels/ar-10-lr-308/308-winchester-7-62-nato/ Any of the barrels from those 3 manufacturers will definitely get the job done. Over the herd of gear that I have, I have barrels from all 3 manufacturers, and they're all great barrels.

Check that mag close - it's a injection molded plastic piece - make sure that mag stop in it is right, it might not be... These pistol-caliber Oly mags don't have over-insertion tabs on them, so that's not uncommon.

That mag is over-inserted, brother - yank that fucker outta there. Vise it, like we talked about. The back of the mag is jamming up that BHO, and screwing you. You should never see feedlips on the mag sticking up into the ejection port opening. Vise. Gorilla. Yank. Scream. Yank harder. BAM! It's out. You know this drill - go Full-On Caveman on that motherfucker.

Continually. You can't stop me, you can only hope to contain me. A little.

That opens up a whole new can of worms, on this platform. Find out if your 80% lower manufacturer makes their own upper. If they don't, call them on the phone and verbally ask them which upper they recommend to run on their lower...

Looking at ASA's current website - you're gonna have to call them. The only thing they're showing right now is for LR308-compatible upper stuff. That's an issue. They don't even show the lower. The only .308AR they mention is a complete rifle. ASA = 480-367-9545

Wecome. Initial info provided in our other thread on it.

Get the matching upper receiver for it from ASA. Save yourself the headaches of trying to match a different manufacturer's upper to it. Best advice I can give you, right now. After that, we work on the rest of it.

Bring it, brother - we'll put it in something, and shot the piss out of it. And get your confidence back in it. It's a damn great trigger.