Posted: 8/11/2016 10:23:54 AM EDT
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I have a couple Anderson lower receivers.
Neither fit correctly. One required grinding the bolt catch (spikes tactical) to get it to fit and move freely. The problem is that one of them is an SBR. Anderson is "checking to see if they have the correct paperwork to receive it." Which all it takes is a form 5. So, uh. GD, where do you go from here? I know, I'm stupid for buying an Anderson lower. I won't be doing it again. I just want my SBR's takedown, pivot pins, and the bolt catch to fit and function correctly. ETA: They've promised me an RMA as of 10 minutes ago. So we'll see. |
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Could the Spike's Bolt catch be out of spec? I know their chromey plate bolt carriers are a bit on the "fat" side.  Nah, I was surprised that it didn't fit, so I pulled a CMMG catch out of the parts box. Same size on the calipers. The pins are the worst part, I have to hammer them out when there's a decent brand upper on it. If I put a sloppy upper on it, it's just a pain to push out. Without an upper, both pins are finger-pushable with some effort. |
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You should build and shoot a lower to ensure correct function BEFORE putting it in the NFA registry.
That being said... Yeah Anderson lowers are junk. I've dealt with their crap before. And when I spoke with their technical guy, he wasn't surprised or concerned that the lower had several issues. |
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Two of my SBR's are build on Anderson Lowers. Everything fits and functions fine, but I damn sure to check to see if everything fit before I submitted the form 1s.
I did pick up 3 of the blemished lowers recently from AIM for $30 a pop. Those all had the same issue, some burrs coming out from the hole for the bolt catch roll pin that needed to filed before a bolt catch could be installed. For $30 a pop, I'm not complaining, but you get what you pay for. |
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Yep. No problems with this one whatsoever. 
http://i1155.photobucket.com/albums/p550/Detrhoyt/Guns/20160803_085237_zpsxupjguno.jpg Quoted:
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Using an Anderson on a SBR  Yep. No problems with this one whatsoever.
http://i1155.photobucket.com/albums/p550/Detrhoyt/Guns/20160803_085237_zpsxupjguno.jpg We must be doing it wrong. I have 3 Anderson lowers I sbrd. |
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Two latest builds were $39.00 Anderson blems. They went together without any issues using PSA parts kits, tom's tactical blem buffer tube kits and MFT blem Minimalist stocks. YMMV Hoping your next lower will be in spec, I never thought about the function check before registering it as a SBR since the .gov won't allow those here. Does make sense though. ETA-more comments |
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These weren't blemished lowers, or at least they weren't sold to me as such.
I'm going to strip it and grind the bolt catch a little more, then measure out all of the upper interface pins. Nobody had ever told me how out of spec they were usually. It runs fine, It's got a thousand or so rounds of 223 through it, and somewhere around 500 of suppressed 300blk. |
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Meh, i got a billet lower and upper from New Frontier and both were out of spec and wouldn't fit anything else i own. After a bit of file work, they fit together, so i'll build something cheap out of it at some point. Given the fitment issues just to get the pivot and takedown pins to work, i'm rather concerned that other things will not fit properly as well, hence the cheap route.
All that to say, they were very cheap for billet units when i bought them. Anderson is very cheap for forged stuff. When you buy cheap, QC (or lack there of) is usually the reason for the cheapness. |
| Everyone's jumping on this guy's shit for sbr'ing an Anderson. Im waiting for permission slips back for two mega machine sbr lowers and I'll be damned, I've got a 3rd mega lower in the safe with a tight magwell. Even good companies can put out shit products from time to time. |
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Certainly not suggesting people buy anything they don't want to buy and spend their money as they choose...
But last year I built 9 Anderson lowers into AR15s and none of them had any issues. The takedown/pivot pins have been tight on most of them, but have loosened up over time. |
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Some people have shitty luck I guess, I've built 10 AR's on anderson lowers and the only problem I've had is their grip screw hole isn't threaded far enough, so I've bought a big pack of slightly smaller screws for them. I SBR'd one as well. Next time build the lower as a pistol before filing the stamp, if you haven't assembled it you can get your money back from the ATF as long it was never finished into a Title II firearm. My friend works at Anderson, she's their social media something, if you want to PM me your info I'll see if I can get her to do anything, if she can.
ETA: They are the cheapest for a reason, and I don't use anything but their lowers. The rest of their shit is really sub par. |
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Quoted: We must be doing it wrong. I have 3 Anderson lowers I sbrd. Quoted: Quoted: Quoted: Using an Anderson on a SBR Yep. No problems with this one whatsoever. http://i1155.photobucket.com/albums/p550/Detrhoyt/Guns/20160803_085237_zpsxupjguno.jpg We must be doing it wrong. I have 3 Anderson lowers I sbrd. |
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I have a couple Anderson lower receivers. Neither fit correctly. One required grinding the bolt catch (spikes tactical) to get it to fit and move freely. The problem is that one of them is an SBR. Anderson is "checking to see if they have the correct paperwork to receive it." Which all it takes is a form 5. So, uh. GD, where do you go from here? I know, I'm stupid for buying an Anderson lower. I won't be doing it again. I just want my SBR's takedown, pivot pins, and the bolt catch to fit and function correctly. ETA: They've promised me an RMA as of 10 minutes ago. So we'll see. Had the same Bolt Catch issue with one of my Andersons. I won't buy any more of them. Not when $20 more buys me a perfect lower every time. Not worth it. |
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Had the same Bolt Catch issue with one of my Andersons. I won't buy any more of them. Not when $20 more buys me a perfect lower every time. Not worth it. The shop I bought these from doesn't sell anderson anymore, because of the out of spec issue. He got tired of dealing with it. And around these parts, it's $95 OTD for an Anderson, or $170 OTD for a Spike's. |
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The shop I bought these from doesn't sell anderson anymore, because of the out of spec issue. He got tired of dealing with it. And around these parts, it's $95 OTD for an Anderson, or $170 OTD for a Spike's. Quoted:
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Had the same Bolt Catch issue with one of my Andersons. I won't buy any more of them. Not when $20 more buys me a perfect lower every time. Not worth it. The shop I bought these from doesn't sell anderson anymore, because of the out of spec issue. He got tired of dealing with it. And around these parts, it's $95 OTD for an Anderson, or $170 OTD for a Spike's. Ouch. I pay 40 dollars per on Black Friday. That makes dealing with issues easier to stomach. |
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This is why people build SBRS as a pistol before paying for a tax stamp. Confirm fit and function first. You're absolutely right. Normally I would have gone that route, but since I build the pistol first and had no issues, I didn't think twice about not function checking it. It might be worth more to keep both sequential receivers as beater guns than to ship them back on my dime. |
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Ouch. I pay 40 dollars per on Black Friday. That makes dealing with issues easier to stomach. It's cheaper for me to buy 80% receivers and machine them than it is to buy a stripped receiver. The market here is inflated slightly. A "great deal" on a gen 3 glock 23 with 50 rounds through it is $400. |
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The shop I bought these from doesn't sell anderson anymore, because of the out of spec issue. He got tired of dealing with it. And around these parts, it's $95 OTD for an Anderson, or $170 OTD for a Spike's. Quoted:
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Had the same Bolt Catch issue with one of my Andersons. I won't buy any more of them. Not when $20 more buys me a perfect lower every time. Not worth it. The shop I bought these from doesn't sell anderson anymore, because of the out of spec issue. He got tired of dealing with it. And around these parts, it's $95 OTD for an Anderson, or $170 OTD for a Spike's. Ah, I pay $48 for the Andersons, shipping included, from Primary Arms. My FFL does not charge me for transfers. I can buy an Aero for $79 on sale pretty regularly, Palmetto in the same range and their blems I've bought as cheap as the Andersons- never could find a blemish on them........ I figure it's a lifetime purchase essentially, the extra $20 or $30 to not have to deal with little niggling shit is worth it to me. |
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Years ago I worked for Anderson...if people only knew who makes what for whom in the world of AR's they would shit...
ETA: especially when it comes to lowers, and lower parts... Sometimes Anderson sells "Blems" by the time it make sit to a local shop it is no longer listed as a "Blem" (not saying this happened here) and usually blems are cosmetic in nature) |
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Nothing wrong with Anderson. The problem was yours when you SBR'd a lower without first checking it out for fit and function. People here on this board have had issues of one kind or another with most every make out there but but nobody likes to talk about their uber expensive AR issues. Go to the Tech forums and listen to them make excuses for their problems and pat themselves on the back for buying the right roll mark.. |
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Nothing wrong with Anderson. The problem was yours when you SBR'd a lower without first checking it out for fit and function.People here on this board have had issues of one kind or another with most every make out there but but nobody likes to talk about their uber expensive AR issues. Go to the Tech forums and listen to them make excuses for their problems and pat themselves on the back for buying the right roll mark.. especially if they found out that the roll mark in nothing more than a marking variance and that "Anderson" made it...
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I had all the paperwork filled out on a nice $200 billet lower, ready to send it. Decide I should probably try it out first, which was a good thing because it wouldn't drop mags. Point is it can happen with any lower, and a quick assembly and test function just takes a few minutes before marrying yourself to that lower for life. |
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especially if they found out that the roll mark in nothing more than a marking variance and that "Anderson" made it... Quoted:
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Nothing wrong with Anderson. The problem was yours when you SBR'd a lower without first checking it out for fit and function.People here on this board have had issues of one kind or another with most every make out there but but nobody likes to talk about their uber expensive AR issues. Go to the Tech forums and listen to them make excuses for their problems and pat themselves on the back for buying the right roll mark.. especially if they found out that the roll mark in nothing more than a marking variance and that "Anderson" made it... Yeah, there's like three companies that make pretty much everything. I'm well aware. I once saw a list of "granted marking variances" and lol'd at it for a while. It's also telling when you look at the annual firearms report numbers and see how many 10k+ sqft full machine shops keep licenses, but don't "make" anything. Yeah, I screwed up and didn't test it before I SBR'd it. Yeah, I know. |
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Yeah, there's like three companies that make pretty much everything. I'm well aware. I once saw a list of "granted marking variances" and lol'd at it for a while. It's also telling when you look at the annual firearms report numbers and see how many 10k+ sqft full machine shops keep licenses, but don't "make" anything. Yeah, I screwed up and didn't test it before I SBR'd it. Yeah, I know. Quoted:
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Nothing wrong with Anderson. The problem was yours when you SBR'd a lower without first checking it out for fit and function.People here on this board have had issues of one kind or another with most every make out there but but nobody likes to talk about their uber expensive AR issues. Go to the Tech forums and listen to them make excuses for their problems and pat themselves on the back for buying the right roll mark.. especially if they found out that the roll mark in nothing more than a marking variance and that "Anderson" made it... Yeah, there's like three companies that make pretty much everything. I'm well aware. I once saw a list of "granted marking variances" and lol'd at it for a while. It's also telling when you look at the annual firearms report numbers and see how many 10k+ sqft full machine shops keep licenses, but don't "make" anything. Yeah, I screwed up and didn't test it before I SBR'd it. Yeah, I know. its more than three..but sometimes because of timetables stuff gets shipped back and forth... |
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You should build and shoot a lower to ensure correct function BEFORE putting it in the NFA registry. That being said... Yeah Anderson lowers are junk. I've dealt with their crap before. And when I spoke with their technical guy, he wasn't surprised or concerned that the lower had several issues. That means you have to buy two uppers essentially. And you still don't' know if the short barreled upper is fitting properly or not. |
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Quoted: That means you have to buy two uppers essentially. And you still don't' know if the short barreled upper is fitting properly or not. Quoted: Quoted: You should build and shoot a lower to ensure correct function BEFORE putting it in the NFA registry. That being said... Yeah Anderson lowers are junk. I've dealt with their crap before. And when I spoke with their technical guy, he wasn't surprised or concerned that the lower had several issues. That means you have to buy two uppers essentially. And you still don't' know if the short barreled upper is fitting properly or not. |