98Z5V

I'm in for the BBQ - there's already a small meet-n-greet scheduled in Southeastern AZ in October. I'm just sayin'... ;D We can set it all up for something bigger, and I've got the local ranges to support it. I've got the hardware, too. Just bring ammo, and it's on. <thumbsup> <laughs> Disclaimer: I don't shoot or own any handguns that don't (at a minimum) start with a caliber of ".4-something." Don't be bringing any 9mm ammo, or .380, or any of that stuff. .40 cal is as low as I'll go. <munch>

Was it ever out of stock, once they started receiving it? It's been there since 22 June, but I haven't followed whether it's gone out of stock yet. http://308ar.com/forum/300-aac-blackout/midway-has-300blk-220gr-ammo-available/

Only a Rock River, unless someone in the aftermarket started putting them out. I haven't seen an aftermarket upper receiver for one of these yet, but it might be out there. <dontknow>

Ask them how long the Form 4 has been taking for the individual - they should have a track on that, because that's how long they have to keep it locked up in the safe.

<lmao> <laughs> Excellent close to the paragraph... <thumbsup>

I know, brother - that thread turned to poop, quickly. There's more to this ruling than meets the eye, barring any state laws that might screw people over. If state laws don't interfere with the ruling here, then it reaches broadly. Example is: This is an Open Letter from BATFE. Individual permission to apply it to you doesn't need to be made. It applies to everybody, unless state laws differ. Read the Thompson Contender references closely - that was a kit from a manufacturer that was both rifle and pistol - that's now perfectly legal, with this Open Letter. The old addage of "Once a rifle, always a rifle," doesn't pertain anymore, with this letter. From what I'm gathering, you still can't turn a rifle into a pistol (NFA), but if it starts as a pistol, you can convert it to a rifle, and you can convert it back to it's pistol state, legally. That option has now been created. For us AR-15-based guys, you still cannot combine rifle and pistol parts, because then you've created an SBR - but you can have rifle parts, then pistol parts, and it needs to be in one configuration or the other. You get you keep the other parts there, as long as they're not combined onto the gun together.

Did he get the serial numbers to you, so you can start your paperwork? It would suck to have to wait for the hardware to hit your transfer dealer, just to get the numbers, and submit.

Incorrect, on several counts, as I read it. 'll get into more of it later. Before, you couldn't "have parts close by." Now you can. I'm still trying to decipher all of it. Here's some current discussion on this: http://www.ar15.com/forums/t_3_4/544337_ATF_RULING_2011_4_MAKING_AR15_PISTOLS_INTO_RIFLES_AND_BACK_AGAIN___LEGAL__.html

Pretty interesting ruling by the BATFE on this - converting an AR Pistol to a Rifle, and back again. I'm still reading through it, but it's a pretty ground-breaking ruling, IMHO. http://www.atf.gov/regulations-rulings/rulings/atf-rulings/atf-ruling-2011-4.pdf

Damn. can't believe I missed this one. If it's still available, I'll get in line behind CGoodwin, if that wouldn't work out. <thumbsup>

That's the problem I had, trying to find out info on this. I couldn't wade through the verbiage in the Mass state laws on this, and had to resort to the info of others out there, in Mass. Based on what everybody said, that's what I came up with (above). That should be pretty solid information, from what I deciphered amongst the trustworthy responses. I'd think for the stripped Pre-Ban lower, it would be a long process - they only way you could be safe is to write a letter to the Firearms Technology Branch (at BATFE) and ask them, by serial, if that lower had ever been registered as a rifle before... If they have no record of it ever being registered as a rifle, then it's still a stripped Pre-Ban lower. I'd also inquire to the Mass authorities if they've ever registered that lower, and what they registered it as. Those are the answers you need, in order to build. My post isn't "legal" in any way - it's just common sense based on what I've learned about those screwy state laws you have. <dontknow> <thumbsup>

Forget the serrations on a .308. Not even a factor, because "size makes a difference." The only forward assist made is for an AR-15 - it only travels so far when you smack it. Look closely at the dimensions of a .308 AR bolt carrier - really close. Even if the side of that thing had serrations, the AR-15 forward assist doesn't have the total throw to even reach one of them. The forward assist works on a .308 AR bolt carrier, though. It catches the "ridge" where the carrier steps up from AR-15-diameter to /308 AR diameter. Right on that step in the increase in diameter. That's about the "last two clicks" on the forward assist, maybe even the last "click." the forward assist will still seat a round in the chamber, and more importantly, lock the bolt into the chamber. You guys need to look more closely at the function of this platform, and understand what it's doing. Serrations on the side of the carrier won't make any difference, it the forward assist can't even reach them anyway. A custom long-throw forward assist would make a difference, and unless these BCG-makers offer that with their serrated carrier, then it doesn't matter anyway.

Use a pre-ban lower for your build, and any of the ban rules that went into effect as of the date of the ban will not pertain to the rifle you intend to build with it. I don't think mag-limit rules apply to that, even with a pre-ban, but I may be wrong on that (for Mass). I found out more about building the elusive AR pistol, in your state - about the ONLY way you'll ever be able to pull that off with be: With a Pre-Ban Lower that has never been built into a "rifle" before. ATF rules combine with some of the state laws on that one - ATF says you can't build a pistol out of a lower that has ever been built into a rifle before - has to be a virgin lower in order to build a pistol. In your state, with those state laws, you can't build a pistol, currently. Pre-Ban would get you around that. However, you can't build a pistol that's been a rifle before, so... You'd be stuck looking for a stripped Pre-Ban lower that had never been built into anything before, and is still stripped - finding something like that is like looking for a needle in a haystack - it's out there, somewhere, but how the hell do you find it, and what's it gonna cost?... Sorry, brother, for the bad news, but that's what I found out.

Cannelure on the 125gr OTM?

Do you have an Iron Ridge upper in-hand that you're making these measurements from?

There's only one Remington that JP Rifles builds for them, and the rest are DPMS guns. JP Rifles builds the Remington R-SASS; other models of Remington .308 ARs are made by DPMS.

What's the projectile weight on those, Mr. Silvers?

Large backstrap fit fine on mine, on the DPMS lower. I've never built up the Armalite rifles, so I'm not familiar with what it would take to fit this grip. I'm pretty sure that MagPul only advertises the grip wedge for use with the AR-10, to fill the gap that the grip leaves. You sure it's "too tight," in a sense that it would push the grip off it's base? Can you grap some pics of the interference in the fit?

Maybe this will help - here are all 67 products that come up from Brownells in a specific ".308 AR" search, based on their search engine possibilities: http://www.brownells.com/.aspx/avs%7CMake_3=AR%20xzzx308/Products/AR_.308/ If there is more than that available from them, then maybe they can help, as they're a member of this board.

They are blocky. I shot the piss out of one last Sunday. It shoots so well that it doesn't matter what I'd have to do to carry it. I'm thinking of visiting one of the local college bars for "Sumo Fight Night," where you dress up in the inflatable Sumo suits and go at it. I'll just run out the door after suited up - with THAT thing on, I'd be able to conceal a M2HB... <thumbsup> Oh Yeah, Baby!!! ;D

I can't wait to see a can hanging off the front of that thing... <munch> If you can hide a 5" 1911, you can hide that thing. Just need a really big shirt... <laughs>

DOE. No doubt. Only Estrogen can make something so evil. :o

True. I prefer the .223 Wylde chamber for an accurate 5.56 gun, and I've only got that on one barrel/rifle build. All my others are 5.56 NATO chambers. My most accurate rifle is a 20" 5.56 NATO chambered precision gun with a heavy barrel and 1:7 twist. My second most accurate is a 16" midlength gas stainless barrel with a 1"8 twist and the .223 Wylde chambering. I need to pit the two against each other and see what I can do, just to find out which one is truly more accurate. I can say this: that 20" loves some 77gr Sierra Match HPBTs. The 16" is better with 68/69gr Match ammo, and does better with it over the 75/77gr offerings. I have a new goal... <thumbsup> <laughs>

The threaded extension on the front of the upper receiver would have to be cut back to allow the barrel to seat further back. Also, the notch for the barrel index pin would need to be deep enough to allow for barrel to come back. Both those things would need to be fixed. That would seat the barrel, with barrel extension, further back in the upper housing, and would make the BCG protrude further out in the back. You'd need to "see/precisely measure" how much gap you have between the back of the BCG and the face of the buffer, in order to determine how much material needs to disappear from the threaded extension on the front of the upper receiver. The depth of the barrel index pin from the seating flange on the barrel will determine how deep the index slot need to be, in order to fully seat the barrel in the upper receiver.

There's also a pistol-length gas system, using a tube about 4.5" long, and used initially on the 7.5" barrels when they came out. Pistol-length gas systems can be found on barrels out to about 10" now. We can leave pistol gas out of it for now, because it's so much less common. It's going to get more common soon, with the 300BLK out now.