Chris38 Posted November 14, 2019 Report Share Posted November 14, 2019 Anyone know what causes a recoil spring in a ar 10 carbine to break to pieces after 10 shots? Quote Link to comment Share on other sites More sharing options...
Armed Eye Doc Posted November 14, 2019 Report Share Posted November 14, 2019 It must be a bad spring. But to know for sure, we will need more information. Pictures would be helpful as well. Welcome to the forum. Head over to the intro section and tell us about yourself. Quote Link to comment Share on other sites More sharing options...
Chris38 Posted November 14, 2019 Author Report Share Posted November 14, 2019 It's a areo precision lower and upper. Ar 10 carbine buffer and spring from delta team tactical. 10 shots done this? Shot good though Quote Link to comment Share on other sites More sharing options...
Armed Eye Doc Posted November 14, 2019 Report Share Posted November 14, 2019 Delta Team Tactical is not known for quality. I would contact them and see what they say. Even an out of spec spring should not have done that. What is the internal depth of the receiver extension? What is the length and weight of the buffer? What is the combined length of the spring parts? Quote Link to comment Share on other sites More sharing options...
DNP Posted November 14, 2019 Report Share Posted November 14, 2019 2 hours ago, Chris38 said: Anyone know what causes a recoil spring in a ar 10 carbine to break to pieces after 10 shots? Poor quality control. Somebody saved a buck making those. Quote Link to comment Share on other sites More sharing options...
Armed Eye Doc Posted November 14, 2019 Report Share Posted November 14, 2019 This would be a definite fix for the buffer system. If there are problems, it will not be because of these parts. There are even in stock at the moment. https://www.armalite.com/product/ar10rekit01-6-position-receiver-extension-kit/ Quote Link to comment Share on other sites More sharing options...
shooterrex Posted November 15, 2019 Report Share Posted November 15, 2019 Order the kit Doc linked and your recoil system problems are solved. Quote Link to comment Share on other sites More sharing options...
Cliff R Posted November 15, 2019 Report Share Posted November 15, 2019 It's simply not made of good spring wire, IE.....JUNK! Even if the parts were not correct and allowing the spring to "stack" it should not have separated with just a few cycles. I have a company that winds springs for one of my businesses. I provide samples and specifications and they provide a finished product. Most of the springs I have done are compression springs, and from either stainless or chrome vanadium spring wire which is basically the same material engine valve springs are made of. They can withstand constant cycling without loosing pressure or failing. A spring that only gets compressed a couple of times and breaks into that many different parts wasn't worth two squirts of duck poop before it was installed.....IMHO.....Cliff Quote Link to comment Share on other sites More sharing options...
Ravenworks Posted November 16, 2019 Report Share Posted November 16, 2019 Geissele makes a nice system but you're going to pay a premium over the Armilite kit. If you want just the spring they do offer their spring as a stand alone for $25. https://geissele.com/super-42-rifle-length-spring.html Quote Link to comment Share on other sites More sharing options...
jtallen83 Posted November 16, 2019 Report Share Posted November 16, 2019 47 minutes ago, Ravenworks said: Geissele makes a nice system but you're going to pay a premium over the Armilite kit. If you want just the spring they do offer their spring as a stand alone for $25. https://geissele.com/super-42-rifle-length-spring.html That is an AR15 spring, not for the 308AR’s Quote Link to comment Share on other sites More sharing options...
Ravenworks Posted November 16, 2019 Report Share Posted November 16, 2019 Well it can't be edited now. Quote Link to comment Share on other sites More sharing options...
98Z5V Posted November 16, 2019 Report Share Posted November 16, 2019 On 11/14/2019 at 12:44 PM, Chris38 said: spring from delta team tactical. 10 shots done this? What a shiit-company... That company is my Soapbox for total-shiit parts. On 11/14/2019 at 1:11 PM, Armed Eye Doc said: Delta Team Tactical is not known for quality. Exactly. 3 hours ago, Cliff R said: It's simply not made of good spring wire, IE.....JUNK! Complete JUNK. That's all you'll ever get from that company, along with dishonest "labeling" of product. They'll sell you an "Aero Precision" complete upper - but the only thing that truly Aero Precision is the blem'd upper receiver (stripped). Then, they build it with other junk or blem no-name shiit. 1 hour ago, jtallen83 said: That is an AR15 spring, not for the 308AR’s Precisely what the Super 42 spring is - AR15 part. Geissele doesn't make a .308AR spring. Quote Link to comment Share on other sites More sharing options...
Cliff R Posted November 16, 2019 Report Share Posted November 16, 2019 If I thought the market would be big enough I'd take the needed steps to have some of these spring made by the company I use right here in the USA with top quality spring wire. Since the spring wire I'd use would last about 40-50 years making 30-50 cycles per second the would NEVER give the first issue one in one of these weapons. The problem with all of this sort of thing is the Chinese. They want the work so bad they'll make smaller quantities for pennies on the dollar or what my USA source would cost. I typically do at least 1000 pieces (10,000 is a better choice as it drives the price down considerably as higher quantities make the initial cost much less). I've been approached thru emails many times by companies from China offering to make the springs I use for about 6-8 times less than the current cost and they will do much smaller batches. Sounds good, right...WRONG. They will take the samples/specs and make the springs and complete my order. Before I even get the first one sold they will have offered and delivered them to at least half a dozen others and I'll see them on Ebay and other websites for sale for about what I paid for them. The quality will NOT be anywhere near as good as my USA (who the hell knows what rusty car bumpers they sourced the base material from on any given day) source, but PRICE drives these markets, not the quality of the end product. I call it getting "rolled under the bus", and it's happened to quite a few folks who thought the attractive offers from these Chinese (and other offshore sources) was the way to go with there parts suppliers. I absolutely REFUSE to go offshore for anything made here. Instead I'd rather pay the HUGE upfront costs for superior products, then sit on a considerable inventory for quite a while before the crossover point is reached where we have paid off the original investment and making money. This can actually take many months if not years, but I've been doing this since 2003 and it's always worked out sooner or later. Sorry for the long rant, and there is no way the buyer would know where the springs are being made at, or the true quality of them. These companies that use offshore sources for those parts let the end users be the testing grounds for them as they do little if any testing prior to offering the actual end product for sale, although they may have tested the original prototype some and it was probably made to their specs in the USA before outsourcing it The entire adventure is driven by price, profit margins and trying to steer folks in their direction. To compound the problems many of these sources are NOT coming from actual businesses with an LLC, or even a Federal Tax ID number despite what the fancy websites lead you to believe. These home-based businesses operate under the radar (hopefully that's going to change soon) and can and will offer sub-standard parts in many of these markets just to put extra income in their pockets to supplement their "day jobs". So bottom line is they can sell cheap-ass parts with very little mark up making it IMPOSSIBLE for reputable business selling much higher quality parts to be competitive. Despite what folks say, believe me, PRICE drives the market more than the quality of the end product......FWIW......Cliff Quote Link to comment Share on other sites More sharing options...
Cunuckgaucho Posted November 16, 2019 Report Share Posted November 16, 2019 The one trick Chinese manufactures use is build the initial parts to spec at a loss to get the contract. Then over time begin substituting materials, common example is reducing the copper wire gauge size. The other one is to run legitimate product on day shift and then on night shift run the line using substandard material that then sold out the backdoor. Quote Link to comment Share on other sites More sharing options...
Cliff R Posted November 16, 2019 Report Share Posted November 16, 2019 (edited) Correct. The most important thing to know is that they have no loyalty whatsoever to the original folks who set them up with the specs and hired them to build the part(s). Rest assured, the really nice spring, charging handle, extractor, bolt, or other part you went thru great lengths to get produced will absolutely and positively be offered to other folks/sellers and quite possibly before you get your first run from them. I've seen this happen so many times I REFUSE to use them for anything. Bottom line the offshore sources operate on production numbers, with no loyalties whatsoever to anyone........Cliff Edited November 16, 2019 by Cliff R Quote Link to comment Share on other sites More sharing options...
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