{"id":2010,"date":"2012-02-04T22:40:45","date_gmt":"2012-02-05T03:40:45","guid":{"rendered":"http:\/\/www.gunsamerica.com\/blog\/?p=2010"},"modified":"2012-02-04T22:40:45","modified_gmt":"2023-10-06T16:52:20","slug":"teludyne-straightjacket-proof-h-p-white","status":"publish","type":"post","link":"https:\/\/gunsamerica.com\/digest\/teludyne-straightjacket-proof-h-p-white\/","title":{"rendered":"Teludyne StraightJacket Proof from H.P. White"},"content":{"rendered":"\n\n
\n
\"Teludyne<\/a><\/div>\n
\n
\"Teludyne<\/a><\/div>\n
The Teludyne StraightJacket is a product we found over a year and half ago at NRA Show 2010. We later tested it at length and broke the story in December of 2010, with our article, Ultimate Accuracy Makeover. <\/em><\/div>\n<\/p><\/div>\n
\n
httpv:\/\/www.youtube.com\/watch?v=qqUnmwAlwY4<\/div>\n
This is the company video if you would like an overview of what the StraightJacket system is and why it is.<\/em><\/div>\n<\/p><\/div>\n
\n
\"Teludyne<\/a><\/div>\n
The profile of a StraightJacketed rifle is 1.25 inches thick. Teludyne press fits a steel or now titanium sleeve around your barrel and pours in a proprietary media, then welds a cap on the jacket, and finishes it off with this muzzle brake that can also be replaced with a standard muzzle cap for F-Class and other shooters who aren’t allowed to use a muzzle brake. <\/em><\/div>\n<\/p><\/div>\n
\n
\"Teludyne<\/a><\/div>\n
In the video you will see some side by side comparisons of slow motion video comparing the flopiness of a standard long range rifle vs. a StraightJacketed rifle. <\/em><\/div>\n<\/p><\/div>\n
\n
\"Teludyne<\/a><\/div>\n
Click for a bigger version of these graphs, or download the PDF to print everything out full size. This is an example of 10 rounds with no cooldown after 20 rounds to heat up the bores. The brand new Remington 700 in .300 Win. Mag. shot into about 4 inches before StraightJacket, and 2.6 inches after. It may be blasphemous to question the veracity of the “fixture” at H.P. White, but after seeing a real fixture up at the lab at the US Army Marksmanship Unit<\/a> at Fort Benning, we would be suprised if the H.P. White fixture is up to snuff. Our US Army Sniper Ben Becker would like to try this rifle in the same test. In our experience with regular hunting rifles with StraightJackets, even after more than 20 rounds the StraightJacketed gun should have shot until well under an inch. <\/em><\/div>\n<\/p><\/div>\n
\n
\"Teludyne<\/a><\/div>\n
This was one of the tests that mimicks having to sit in the sun with your rifle before having to fire ten rounds in succession with no cooldown. In this one the rifle was allowed to return to ambient first after having the heater on it for an hour. There is still a drastic difference, though again, we question the 2.4 inches on the StraightJacketed gun. This should have been under an inch as well. <\/em><\/div>\n<\/p><\/div>\n
\n
\"Teludyne<\/a><\/div>\n
This is the test with no cooldown where the original Remington opened up to almost six inches. <\/em><\/div>\n<\/p><\/div>\n
\n
\"Teludyne<\/a><\/div>\n
This is the 5 round Mil-Spec testing at 160 degrees of uniform heat. Every branch of the military is evaluating the Teludyne StraightJacket, many in the field under fire already. This is an older story than many people realize. <\/em><\/div>\n<\/p><\/div>\n
\n
\"Teludyne<\/a><\/div>\n
This was a titanium StraightJacket we got to hold at SHOT Show. A StraightJacket is a fraction of the weight that an 1 1\/4″ heavy barrel gun would be, but the titanium gave the rifle better balance than the steel jacketed guns that were made for us in 2010. Invest in the titanium if you plan to use this gun in the field or for 3-Gun competition. <\/em><\/div>\n<\/p><\/div>\n
\n
\"Teludyne<\/a><\/div>\n
Even though the H.P. White tests show dramatic results with the StraightJacket, this is one of the targets that brings into question the veracity of how much true performance they measured. The point of this graph is to show that it took the Remington 55 minutes to cool down to ambient for 5 “cold bore” shots before the StraightJacket, and 15 minutes after, but look at the sizes of the groups. In our experience the only thing that opens up the StraightJacket groups over shots is shooter error, even Ben’s. That in the 10 round tests the group opens up to 2.5 inches or so brings into question the veracity of the H.P. White fixture. Maybe we should be happy that there is finally proof, but it is only half the story. <\/em><\/div>\n<\/p><\/div>\n
\n
\"Teludyne<\/a><\/div>\n
The AK-47 version of the StraightJacket is something we would like to check out this year, and we happen to have a AK-47 in the safe that we have no romantic involvement with at this juncture. Could there be a StraightJacket in its future? <\/em><\/div>\n<\/p><\/div>\n
\n
\"Teludyne<\/a><\/div>\n
This rest in the video looks suspiciously like a HySkore machine rest, and we have found these to be extremely course and not capable of what Ben can shoot on a bad day, let alone a good day. <\/em><\/div>\n<\/p><\/div>\n
\n
\"Teludyne<\/a><\/div>\n
Please don’t say we didn’t warn you if you wait to call Teludyne and can’t get your rifle done as soon as you want for a big hunt, or Camp Perry or whatever. This is not a new technology as we reported over a year ago, and if one of the big government bodies pops and orders thousands of rifles, everyone is just going to have to wait. Teludyne is a self-financed company, and though we wouldn’t be suprised if they get bought by one of the big players in the gun industry, today they are still flying solo and can’t accommodate much more business than they currently have. There is this new dealer program as well that is going to bring in a good deal of guns, so if you want your gun StraightJacketed, send it in today. <\/em><\/div>\n<\/p><\/div>\n<\/td>\n<\/tr>\n<\/table>\n
\nTeludyne Tech StraightJacket
\nhttps:\/\/www.teludynetech.com\/<\/a><\/p>\n

\n\n<\/p>\n

If you read our original article on the Teludyne StraightJacket, Ultimate Accuracy Makeover<\/a>, you may have been one of the naysayers who didn’t believe you could take a $300 deer rifle (one of the two guns was a Savage Axis) and make it into a 1\/4 MOA gun, but it was indeed true. For this year’s SHOT Show, Teludyne has contracted the H.P White testing certification organization to prove what we figured out long ago. The StraightJacket is the most significant development in long range rifle accuracy possibly ever. After going over the testing a bit we’ll explain again what the StraightJacket is, and more importantly, why it is.\n<\/p>\n

\nThis H.P. White testing will be a milestone in the history of the Teludyne StraightJacket as more and more people understand the Teludyne discovery and manufacturing process, and actually send Teludyne their guns for this inexpensive, $400-$600, complete accuracy makeover. I am sure it wasn’t cheap for Teludyne to pay H.P. White to confirm these results, so please pay attention, and download the PDF<\/a> of the certified results if you still doubt it. Hold on to your hat. This is some pretty intense stuff.\n<\/p>\n

\nFirst, Teludyne ordered an off the shelf Remington 700 in .300 Win. Mag. directly from Remington. It was sent to the Greenville County Sheriff’s department for testing, to ballistically “fingerprint” the rifle. The Sherriff’s department then sent it to H.P. White for accuracy testing. The conducted their test at ambient temp, as well as -65F and 160F. Then they sent the gun to Teludyne for a StraightJacket. It was then returned to the Sherriff’s department to match the “fingerprint,” which it did, then they sent it to H.P. White again, for the same battery of accuracy tests. The same thing was done with an stock M4, so they could present these results to the military.\n<\/p>\n

\nLike any quasi-governmental testing (the government uses H.P. White instead of their own labs), trying to make sense of the results isn’t the easiest thing. But what we can make out from it is that H.P. White tried to duplicate all the things that would throw accuracy off shot to shot in the field. As you’ll see in the video that is posted with this article, the eloquent Noel Lasure is now famous for explaining that the StraightJacket system is “a cold bore shot every shot.” This was the focus of the testing.\n<\/p>\n

\nH.P. White tested both the standard guns and the StraightJacketed guns with both cold bores for every shot, ten shots. The factory new Remington took 55 minutes to complete this test. The StraightJacketed Remington took 15 minutes. Accuracy was marginally better for the StraightJacket over those true cold bore ten rounds. As an aside, and I have no verification of this, I suspect that the “fixture” H.P. White used was the HySkore machine rest. In our experience this rest is not capable of less than 1 MOA, while an experienced professional shooter like our resident US Army Sniper Ben Becker is easily capable of 1\/4 MOA. I would like Ben to shoot that StraightJacketed Remington and see what it really shoots.\n<\/p>\n

\nAccuracy tests were also conducted at temperature extremes, minus 65 degrees, and plus 160 degrees Fahrenheit. As you can see in the charts, the StraightJacket drastically improved accuracy in these extremes. They also did a “sun test” and pointed a torpedo heater at one side of the barrel five feet away for an hour, then fired 10 rounds with no cool down. This is perhaps the most significant test, because uneven heating by the sun is very common in battle, where you sit for a long time waiting, then a lot of action happens at one time. The results of this test are dramatic. Click the graphics to make them bigger on the right here, or download the PDF to view them, as well as to read the official H.P. White reports, and a whole bunch of velocity data that we assume is there to show measured consistency in the ammo from one test to the next.\n<\/p>\n

\nThere are also a test chart of ten rounds after 20 rounds, where the original Remington showed 192 degrees and the StraightJacketed same gun came out at 155 degrees (more on this below in the explanation). You may be asking, “why on earth did they use ten shot groups for most of this stuff? ” but that is the whole point with the StraightJacket. Where normal rifles have to be accuracy tested with cold bores at three round groups, the true improvement of the StraightJacket shines over ten and more rounds, and the more rounds the better, and the faster the better for the StraightJacket. As more rounds are added to the test, faster and faster between shots, a normal rifle will open way up, where the StraightJacketed rifle will stay constant.\n<\/p>\n

\nIf you haven’t read the original article on the Straightjacket (and don’t feel like clicking out), the Straightjacket is a new technology that adds rigidity and heat dispersion to your existing rifle barrel. It is a steel (and now titanium) sleeve that is pressure fit onto your barrel. Telyudyne fills that sleeve with some kind of proprietary and top secret mixture, then they weld a cap on the top, or a cap with a muzzle brake. You send your rifle to them for this process, and for bolt rifles they will mold and fit your existing stock, polymer or wood, to the new barrel profile, which is about an inch and quarter wide. On AR-15s, a free float handguard is required. The Straightjacket costs from $400-$600 depending on your rifle and what material you want for the jacket.\n<\/p>\n

\nIf you are looking at the pictures and think this is just another heavy barrel gun, that isn’t what is involved with the Teludyne StraightJacket. A heavy barrel is steel all the way through, and it is machined from a solid chunk of steel. For generations, competition shooters and serious target shooters have been using “heavy barrel” versions of rifles, but while this offered a marginal improvement over thin barreled rifles, it was never the optimal improvement. The thinking of the heavy barrel methodology goes that because the barrel is thicker, it is more rigid, and therefore flops around less when a bullet is shot through it. The thickness also is thought to help as the barrel heats up, because a thick barrel can only flop so much, or so the thinking goes. This actually isn’t true in practice.\n<\/p>\n

\nThe problem with the heavy barrel methodology is physics. Even a two inch thick heavy barrel is all steel, and all one piece. It heats up uniformly, and tends to hold the heat, like a cast iron pan. As you shoot more and more rounds, the barrel gets hotter and hotter, and as a uniform mass of steel that is a slave to its own physical properties, it gets floppy, even though at cold temperatures it is technically more rigid. Being a solid mass is also a disadvantage because all of the molecules are lined up with each other and tend to “flow” the same way. So though a heavy barrel will be more accurate, cold, than a thin barrel gun, the accuracy improvement drops off as you shoot rounds without letting the barrel cool down. Heavy barrel methodology is a baseline improvement, not an optimal improvement. What you want is something that gives you as close to a “cold bore” shot every time, and now we understand how to do this with the physics of the Straightjacket.\n<\/p>\n

\nThe Straightjacket uses a two material approach. The steel or titanium jacket is like a Jello mold press-fit to your barrel for the poured in media. This second material media is poured in and bonds itself to the steel of the barrel, and this proprietary compound is most likely made of some kind of aluminum or copper solution with polymer or ceramic, or both. Whatever it is, it for sure has a better energy transfer coefficient than steel, because it acts as a heat sink, wicking heat away from the chamber and barrel. You can literally chew up rounds with mag dumps at full auto and the chamber will never get more than a couple hundred degrees, as verified by H.P. White, below.\n<\/p>\n

\nHaving that second material, encased in yet a third material (the jacket), makes it so all the molecules of the barrel are not in a straight line, or even physically connected, to the rigidity material. So you have a heat reduction, and by all accounts this is the most significant aspect of what hurts accuracy in a rifle, accompanied by added rigidity. The barrel of the rifle is now encased in the poured in mixture and trapped in the steel or titanium jacket. In our tests this turned guns that were already good guns, MOA or better, into 1\/4 MOA guns. We used a Savage Axis (a $300 entry level deer rifle) and a Sako A7 (a $750 version of their expensive guns), and both guns shot into just over an inch at 500 yards with 5 round groups, and ten round groups were just over two inches.\n<\/p>\n

\nThe good thing is that now, nobody has to believe us. Don’t get me wrong, when we did that first article, hundreds of you guys sent your guns in and Teludyne was slammed for six months, but for all the naysayers out there, we wanted to do this follow-up with the ultimate gotcha. Though Teludyne vested a lot of faith in the testing ability of GunsAmerica, and they have become genuine friends, they eventually had to go and figure out how to pay what I’m sure was a ton of money to have this stuff certified by H.P. White. See the figures here for some of the actual test results, and download the PDF<\/a> of the tests if you really want the whole story. <\/p>\n

Heat Testing Full Auto – 13 Mag Dumps<\/h2>\n

We didn’t even mention the second test in the beginning of this article because the story is already pretty complicated and in many respects, the Teludyne StraightJacket is not very soundbyte-able. It is a complex products with a lot of genuine benefits that aren’t a lot of fluff for a serious shooter. One of these is that the heat sink of the jacket keeps the chamber relatively cool over mag dump after mag dump after mag dump of full auto fire. This leads to an ability to shoot an indefinite amount of rounds with no cook-offs, and it increases accuracy over sustained automatic fire. It also protects your gun from chamber erosion, and Telydyne has test guns that have fired upwards of 20,000 rounds that show no chamber erosion whatsoever and can’t be told from a brand new chamber.\n<\/p>\n

\nH.P. White took a brand new M4, with a mil-spec barrel, that had been Straightjacketed by Teludyne, and fed mags into as fast as they could full auto until the gun failed, which was at 13 mags, or 390 rounds (there was a bur in the chamber that finally shut the gun down). They did this in 3 minutes, 40 seconds, then they measured the inside chamber temp and the inside barrel temp, and they left the probes in. The highest temp they could record anywhere was 207F. After the same test with a standard M4, no Straightjacket, that chamber would be over 1500 degrees and it would probably permanently damage the gun.\n<\/p>\n

\nTeludyne routs the gas system through the StraightJacket media, inside the jacket, so the heat sink effect wicks the heat from the chamber, the barrel, and the gas system. So the gas that usually bakes onto the bolt carrier group in an AR is cooler, and doesn’t gum up the gun. The result is a gun that is much more reliable, and that can run indefinitely without cooking off rounds and without losing its accuracy, provided it doesn’t have a chamber burr like this test gun that unfortunately did. It would have been interesting had it not broken down and the results showed that they ran out of ammo, which is generally what has happened in past tests.\n<\/p>\n

\nIf you are an AR-15 owner, or 3-Gun shooter especially, you may want to send a gun into Teludyne as soon as you can. Teludyne has a 3 month wait list on AR-15 outfitting right now, and this article will generate a large influx of guns as the last one did. This stuff is real. Read the report. You don’t have to believe GunsAmerica anymore. We tried out the new titanium version at SHOT and it greatly improves the balance of the gun. The StraightJacket is not heavy like a heavy barrel. It does ad some weight, but only about a pound and half in steel. In titanium it is even less, and it balances much better.\n<\/p>\n

If you are serious about rifle accuracy over sustained fire, the Teludyne StraightJacket is a product you have to try. As we explained in the first article, it is a stretch of faith, because you do send them your gun to permanently alter forever. It is a lot less a stretch now that you can read the H.P. White testing, if you are one of those who look before you leap and the more proof the better. We treasure our StraightJacket guns and they are the only guns in the safe with permanent zeroed optics on them, “just in case.” And we do plan to do another project with Teludyne, hopefully soon with the titanium and a .338 Lapua Magnum with that really cool APO Chassis System you may have read about a few days ago. Ben can shoot better than the fixtures at the H.P. White labs, we are quite sure of it, so stay tuned for real tests from GunsAmerica, the real authority in rifle accuracy!\n<\/p>\n

\nAnd again, don’t say we didn’t warn you, and please don’t whine in the comments about wait times. It would be a good idea to call Teludyne as soon as you can after reading this if you think you want to send them a gun, because the wait-time will increase as a result of this article. Right now for bolt guns the wait is only 30 days, but the AR-15s can’t come back much quicker than 90 days. They also do shotguns for Turkey Shoot competitors, and they had an AK-47 version at SHOT as well. As we explained in the first article, there are Olympic shooters using StraighJackets on .22LR rifles, and they have shown much less variance in temperature extremes, as it showed in the extreme temp tests on the Remington in the H.P. White tests. You can get a Straightjacket for most guns, including all bolt rifles, left hand included, all AR platforms that have a free float handguard, your 10-22, and a lot of other small semi-autos, but not for the M-14\/M1A\/Garand.\n<\/p>\n

\nNow all the “faith” that us early devotees showed isn’t required and the naysayers can just read the H.P. White report, the Teludyne Straightjacket has arrived, though we don’t feel that even the H.P. White report scratches the surface of what you can actually prove with this incredible and exciting new technology. We didn’t even bother to mention the effectiveness of the muzzle brake in this article for instance. To order your StraightJacket you have to ship your gun to Teludyne, so visit their website to learn how, and to contact them directly. You won’t regret the decision.\n<\/p>\n

\nNew for 2012, Teludyne now has a dealer program, so if your dealer has a shelf full of bolt guns that won’t sell, he or she can send them to Teludyne for StraightJackets and have guns in hand for customers who either don’t have or don’t want to send their existing guns to Teludyne. We have heard stories of old A-Bolts with wooden stocks turning into viable competition guns, and it is a great way for your local gun dealer to meet some of the demand for the Teludyne StraightJacket. Have them call for more information. We are only at the beginning of the success of this technology, and those who get there early and establish themselves with Teludyne will get preference later when everyone wants a StraightJacket gun and very few people have them. This is only the second chapter in the history of the Teludyne StraightJacket and it will be interesting to see how it all unfolds.\n<\/p>\n<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Finally nobody has to believe GunsAmerica that the Teludyne StraightJacket is nothing short of a miracle for rifle accuracy over sustained fire. If you read our original article, Ultimate Accuracy Makeover, but didn’t send your gun to Teludyne, you may want to beat the crowds now because they have enlisted the H.P. White testing organization to certify the results, and you can download the PDF of the report. <\/p>\n","protected":false},"author":23,"featured_media":2011,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_specdata_upc":"","_specdata_placement":"","footnotes":""},"categories":[7,16,37,41],"tags":[],"featured":[],"hunt365":[],"class_list":{"0":"post-2010","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-gunsamerica-authors","8":"category-me","9":"category-gun-reviews-rifles","10":"category-shot-show-2012"},"yoast_head":"\nTeludyne StraightJacket Proof from H.P. 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