.223 Wylde is a chamber, not a cartridge. . I would like to find an article with 2 identical rifles, 1 chambered in 5.56 and 1 in .223 Wylde. gear. It is designed to provide superior accuracy and reliability when shooting both 223 Remington and 5.56 NATO ammunition. My Budget PSA (First) AR-15 .223 Wylde Build : r/guns - reddit With that out of the way, these are some great ammo choices for you that DO exist! What my particular barrel does like is Hornady 5.56x45mm NATO Frontier HFR320 75 gr HPBT, which is only $0.48 per round at Outdoor Limited. By simply combining the dimensions of the 5.56 NATO and .223 Remington chambers to maximize the benefits of both, .223 Wylde offers a chamber that can feed and effectively stabilize a wider variety of ammunition, avoid any pressure-related issues, and maintain both the accuracy of the .223 cartridge and the muzzle velocity of the 5.56. For the best experience on our site, be sure to turn on Javascript in your browser. The 5.5645 load has a more drawn out hop, permitting a bigger powder load (higher weight) for a similar slug weight, improving downrange execution. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. I had a 5.56 16 cmv 1:7 and could not get good groupings with 62 grain and higher 5.56 ammo. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Maybe some day you could do a review of the rifle caliber pistols of today. If youre not so lucky, the swift jump in pressure could cause a catastrophic weapon failure. Overall, both the 223 Wylde and 5.56 NATO offer excellent accuracy and reliability. In this article, we will discuss the pros and cons of the 223 Wylde to help you decide if it is the right choice for your shooting needs. The differences between .223 Remington and 5.5645 NATO have been debated and explained a million times over. However, it also has the leade diameter of the .223 Remington. Seems to me like Wylde is worth it. Any chambering can shoot better than another with a random reload. on the other hand, is loaded to a much-lower pressure, and has a much-shorter leade dimension. Far from a match or best. Knowing that now and reading this article I wish that I would have got the 1-8 twist. The .223 Remington chamber however is governed by SAAMI chamber and has a shorter leade. Not all barrels are the same. Check back to see when we have 223 Wylde barrels in stock in our build kits and complete upper receivers. Honestly from what the OP has stated I think just about any quality barrel will do. If they do get called out, let them know that it is just a call for them to step up their game. As it turns out, not quite. 223 Wylde Barrels, AR Barrels - Wilson Combat Our sporting .223 Rem. In other words, .223 Wylde combines the excellency to handle both rounds in one source, the hotter 5.56 rounds without pressure concerns and .223 rounds that offer edge-on accuracy that's so common for Remington rifles. this has been discussed a lot in this site, here's one. Thats a couple hundred dollars more than an entry-level AR-15. He has a background in the entertainment industry and currently works as one of our awesome writers in the field. Wylde upper complete assembly for your AR from manufacturers including Primary Weapons, Aero Precision, and Radian. If youre on the market for a new 223 Wylde Barrel these are the barrels wed consider for ourselves. Additionally, the 223 Wylde chambering is not as common as the 223 Remington or 5.56 NATO, which can make it more difficult to find ammunition and components for it. The development of the NATO version was primarily completed by FN and used a 62gr bullet with a 7gr mild steel tip. You really want the 5.56x45mm for SHTF situation in the first place. Best 223 Ammo: Range, Training & Home Defense Most shooters know something about the .223 Wylde but getting this in depth tutorial is fantastic. These barrels are available in a variety of lengths and profiles to meet your specific needs, and are made in . 223 Wylde is a cream rifle load that grants you to shoot both .223 and 5.5645 ammo from the weapon safely. Pros and cons of 223 Wylde - Bayou Shooter One new winner* is announced every week! I only have one 5.56x45 left. Freebore is the space between a rifles heap and the rifling in the barrel. To get a sense of what kind of differences you should expect if you make the switch from a standard 5.5645 AR to a 223 Wylde rifle, we hit the range. Click on the name to head to the product page, read reviews and check prices or skip ahead to the list of rifles. There are only pros and no cons to a Wylde chamber in an AR15 barrel. Check the online reviews, Guns and Gear, Sootch and many others. Thanks! Externally both 223/556 are identical but internally there is slightly less volume available. Were taking an in-depth look at the history, development, and benefits of the .223 Wylde chamber design, and seeing how it stacks up against the classic .223 Remington and 5.56 NATO designs. But, when the U.S. military showed interest in it and after NATO started testing it, they increased the pressure of the cartridge to improve reliability in the newly designed AR-15. I was under the impression that the Wylde design was a 5.56 chamber with a .223 freebore length. But with a one percent difference, its hard to suggest faster muzzle velocity is a selling point for the rifle. Looking for some .223 Wylde parts? In our testing, Federal Gold Metal has performed very well in a wide variety of calibers and weights. To have that level of catastrophic failure, you need to really screw up a lot more than one vs the other. MFG #: WORKHORSE017-CA. .223 vs 5.56 NATO vs .223 Wylde: Will Your Gun Blow? This AR-STONER AR-15 223 Remington (Wylde) Barrel is perfect for competition where accuracy and reliability are imperative to a successful match. My RRA Predator Pursuit shoots just as well his Varmint A4. A firearm with a .223 Wylde chamber will usually come with a higher price tag. In Stock . The Best AR-15 Barrel: .223 Wylde vs 5.56 - YouTube If you reload, especially for bolt action you probably arent full length resizing the cases. This was also reportedly different because of where they tested the cartridges peak pressure(the 5.56 at the mouth of the cartridge and the 223 on the body of the cartridge). 16" .223 Wylde Stainless Steel QPQ Barrel, Mid-Length SKU APRH101682C $199.99 In stock SKU APRH101682C Qty Add to Cart Add to Wish ListCompare Product Email Skip to the end of the images gallery Skip to the beginning of the images gallery Description Our .223 Wylde barrels have been HP/MPI tested and are machined from 416 Stainless Steel. The cartridges listed above are plinking quality. It was to the point without giving all sorts of specs and ballistics. Unless you want bad things to happen. Msg & data rates may apply. Assuming they're cut well within spec, they're near identical. Do not use 556 in a rifle that is stamped 223 on the barrel. First of all, because the dimensions of the 5.56 freebore the length and diameter of the leade are slightly larger when compared to a .223 chamber, a .223 round sits a bit looser in a 5.56 chamber, which theoretically results in a minor loss of accuracy and muzzle velocity though probably not enough to make a difference for the casual shooter, especially with high-quality modern ammunition. Unless youre shooting off a bench, you are a good shooter, youre using high-quality match-grade ammo, and the rest of your rifle is built for precision youre not likely to actually see the difference between 5.56 NATO and .223 Wylde chambers. This versatility allows you to enjoy the exceptional accuracy of .223 Remington loads and the increased velocity and downrange power of the 5.5645 NATO. You could have bought a 556 NATO and had the same advantages. In this video we explain how 223 Wylde barrels work and why it's a fantastic option for you to add to your AR-15. These days, .223 Remington chambers should be ignored outside of niche applications. It is a bit costly, starting at $1,500. I list the best choices in terms of value, performance, design, and cost. Whats your preference in the .223 Rem vs. 5.56 NATO vs. .223 Wylde debate? The steel-cased ammo isnt allowed at all ranges so check the rules before bringing it out the first time. Also with heavier bullets; they may have steeper ogives with the possibility of a standard length bullet contacting the rifling when chambered, causing an over pressure condition. Products per Page: View Details & More Images: 223 Rem Match Ammo: 223 Remington New Ammunition 69gr Sierra Match King New Brass . APF Econo Carbine AR-15, Semi-Automatic, .223 Wylde, Vortex Strikefire II Red Dot Scope, 30+1 Rds. Will SIG's .277 FURY really stand, NEW from Smith & Wesson comes a folding pistol caliber carbine that packs down smaller, Nighthawks don't grow on trees! The 223 Wylde is a popular rifle chambering that has been gaining traction in the shooting community. 1. 223 Wylde is taking the shooting world by storm and giving a lot of carbine owners more flexibility when it comes to ammo. In a .223 chamber, the 5.56 NATO round doesnt have that extra room to stretch its legs. Both are 1/4" accurate at 100 yds. I may earn a small part of the sale from links to any products or services on this site. I own several wylde barrels. It really shouldnt have taken as long as it did for somebody to look at the .223 chamber, look at the 5.5645 chamber and go Hey, you know what? The Wylde's barely-over-bullet-diameter freebore keeps a tight leash on bullet wiggle upon exit, while a long throat section and gentle leade angle keep pressures at bay. steel weights is removed and replaced with a tungsten weight, which is about 1.45 oz. It took a while for the chambering to gain widespread popularity, and buying a 223 Wylde upper or barrel usually meant spending a decent chunk of extra cash that was hard to justify for a casual shooter who only spent time at the range plinking with factory loads. That said - the article does not say that X ammo is more accurate than Y ammo. Wishing they would produce a 16" pencil profile for Wisconsin brush hunting. For a similar historical tale check out the US Army development of the M1 garand and it's initial caliber of .276 Pedersen. I personally don't mind if you are receiving sponsorship monies from anyone. 223 & 5.56 Are Not Created Equal The 223 Rem achieves its versatility thanks to its identical physical dimensions to those of the 5.56. There really isn't any. The load pressure for the 5.5645 is 62,000 on the specification. THANKS. The 1:9 twist is for the lighter, faster, rounds. In the meantime, any extra cash you fork out in a .223 Wylde upgrade will be more than made up later in ammo savings. #2752408 - 12/03/14 08:50 PM Re: Pros and Cons to .223 wylde [ Re: Tgomez82 ] GLShooter. Look at the chart above. And whats the fun in buying a firearm if you arent going to shoot it? Or if youre like me and want to use .223 Remington in a bolt action rifle for long-range training, thats another great application for it. A stainless barrel will last thousands and thousands or rounds. Thanks. Why is there hesitancy by some manufacturers to use mid-length gas systems on 16 inch .223 barrels? I mean you really aren't going to blow up your gun if you have a 5.56x45mm barrel and shoot .223, just the reverse is true. Noted, I have only used factory ammo. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. 5.56 NATO vs 223 Rem vs 223 Wylde: Pros, Cons, And Dangers 5.56 NATO, .223 Remington, and .223 Wylde are all chamberings and they are almost all the same, kind of. My rifle is 5.56 NATO - so Im good to go. American Eagle . Copyright 1996-2023 AR15.COM LLC. PSA 16" 223 Wylde - $280 5.56 Full Auto Nickel Boron BCG - $110 PSA Mil-Spec Charging Handle - $20 Magpul MBUS Gen 2 - $70 Magpul Gen3 30rd PMAG - $12 Shit like $700 over the course of maybe 1.5 months I'd say. AR-15 Complete Upper Build Kits > .223 Wylde. Davidson Defense 'Straight Shooter' 17.1" AR-15 .223 Stainless Rifle Full Build Kit . That saidthe juice isnt really worth the squeeze. And yes, it can fire both .223 and 5.56 NATO completely safely. My Savage MSR 15 Recon is 223 Wylde and can be bought around the $800 range even during Covid high prices. We cover both plus .223 Wylde so you'll know the best for your gun. 2. is a 556 16 inch stainless barrel mid-length gas system. Quick View. *Must have a registered ARFCOM account to win. Freebore is the space between a rifle's heap and the rifling in the barrel. Be that as it may .223 Rem cartridges can securely be terminated from a 5.56 NATO chamber with diminished precision, yet not securely the other way around because of .223 Rem loads have lower pressure evaluations than the 5.56 NATO. (Like the blinker fluid of the AR-15 world). Your AR Complete Upper has matched options for optic, rail, muzzle device, bolt carrier group, charging handle, and magazine. Thank you for the education! Special Price. However, it is pretty common knowledge that pressures in the 5.56 cartridge are higher than those in the .223. A, 'Wylde chamber, also, has a longer length-of-leade (free-bore') at the front of the chamber to accommodate longer heavier (match grade) bullets. The only thing that seems wrong with the Wylde and some 223 chambers is the .224 freebore dia. Regular Price. You do not pay It is also a great choice for those who want to shoot both .223 Remington and 5.56 NATO rounds. Now Wylde barrels are extremely common even in budget builds for target and hunting rifles. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. The password should contain at least 8 characters with at least one number or special character. Get free updates when we add new tips, articles and more! But these days, its normally the exact same price as 5.56 NATO, so there really is no reason to pass it up. I haven't found any disadvantages to the 223 Wylde chambering. Also, I should have added to take advantage of heavier bullets a slow twist barrel is ideal. I had some hot home loads for my bolt action and tried them, and my groups went from 4" to less than 3/4 inch instantly. If you read the article you will see it is safe to shoot 223 and 556 in a 223 wylde barrel. You cant treat the similar cartridges interchangeably in most AR-15 rifles. Does BCA use a standard carbine buffer for .450BM rifles, or a heavier H2 or H3 buffer? never had a problem. The second correction to the US Constitution reveres the option to keep and carry weapons. It is probably wise not to tempt the lottery gods. While the cartridge dimensions of both rounds are the same, 5.56 NATO loads produce pressures in excess of the .223 safe spec. Quick View. To truly acknowledge what 223 Wylde brings to the table, you have to comprehend 223 Remington and 5.5645 as gauges. This allows for better seating of both .223 Remington and 5.5645 NATO rounds. You will have a whole new idea of what you want long before you ever wear that barrel out. 223 Wylde is a firearm designation for a rifle that is optimized to shoot both 223 Remington and 5.5645 ammunition. Both rifles have a 16-inch barrel. We took their new, Some of the less common but still awesome CCWs! Are most manufactures over reaming their .223 for safety? We stand behind all our products and were here to support you. Its basically free precision that requires nothing from me. The housings are, for all aims, indistinguishable. That said, it always goes bang (for us at least) and is dirt cheap. In fact, a 223 Wylde rifle has indistinguishable load calculating as a 5.5645 rifle yet, in addition, brings a .2240 freebore distance across. Even though the case and projectiles may be identical, the pressure difference between .223 and 5.56 NATO makes it inadvisable to shoot the 5.56 NATO out of a .223 chamber. Whats the difference between .223 Remington and 5.56x45mm NATO? Problem solved, right? .223 Wylde is a hybrid .223/5.56 chamber designed by Bill Wylde to yield the accuracy advantages of the match .223 Remington commercial chambering but without pressure or reliability failures when using high velocity 5.56 NATO spec ammunition. 224 223 Rem bullets, 223 Rem ammo .223 Remington--Centerfire FavoriteThe .223 Remington is the most widely-used centerfire rifle cartridge in the developed world. Dont worry, we were at one point too. Type: AR Finish Color: Black Caliber: .223 Wylde Barrel Finish: Nitride Barrel Length: 7.5" Twist: 1:7 Gas System: Pistol Muzzle: A2 Flash Hider Lower Receiver Manufacturer: CBC Industries Upper Receiver: Mil-Spec, Forward Assist & Dust Cover Installed Bolt Carrier Group & Charging Handle: Full Auto Rail: 7" M-Lok 30 Round Magazine Included - What's the Difference Between 5.56 and .223? Are They Interchangeable 16" .223 Wylde Stainless Steel QPQ Barrel, Mid-Length Now I think I can start making a decision on a long gun. When you see the difference, its unlikely to actually be enough of a difference to really matter outside of putting down tight groups to flex on Instagram with. The Wylde chamber provides additional space so that the throat of a 5.56 NATO cartridge wont build up excess pressure. Doing so would cause your gun to malfunction and immediately have parts break. Thanks for the feedback. Pros/cons 223 Wylde | CarolinaFirearmsForum (actual size from left to right) 5.56x45mm XM193 55gr., 300 AAC Blackout 125gr. But I can see the allure being that it will shoot .223 more accurately, I just wouldn't want to be reliant on .223 as a combat cartridge. But if a 5.56 chamber can handle .223 without any problems, why the need for the .223 Wylde? AR-15 Full Build Kits (Everything Minus Lower) > .223 Wylde. The answer comes down to chamber design. .223 Wylde vs. 5.56 NATO - The Common Misconception - Moriarti Armaments 223 Wylde Problems & Solutions in 2023 - By Tradoc News! This dual chamber design allows for better accuracy and reliability than standard 5.56 NATO barrels. Last time I used it I got a round stuck in the chamber and it was a major PITA. So what the heck is .223 Wylde right? Usually an excuse for bad reloading practices. Hybrid chambers attempt to offer the best of both worlds. I know its confusing at first, especially if youre new to the debate, but this should give you get you started when choosing the best chambering to meet your needs. As for Wylde it is well known for greater accuracy even with heavier bullets in factory loads. If you flip it the other way though, you could potentially have a serious problem. What Is .223 Wylde? - The Armory Life One of the approximately .6-oz. Shooting these cartridges involves tiny, but violent explosions that propel metal projectiles nearly three times the speed of sound. Will my, You might be thinking about purchasing or building an AR-15, or even a bolt-action or single-shot rifle in one of these calibers and find yourself understandably. 223 Wylde Rifles For Sale - Hinterland Outfitters Free shipping available! The distinction comes in how the ammo is stacked (greatest load pressure) and the measure of the drag after the load that remaining parts unrifled. 223 Wylde Complete Uppers for Sale - OpticsPlanet While the 223 Wylde chambering offers many advantages, there are also some potential drawbacks to consider. If youre lucky, shooting 5.56 ammo out of a rifle chambered in .223 will only increase fouling and speed up the wear and tear on your weapon. You're never going to know the difference. Any use of this content without express written consent is prohibited. Externally, 5.56 NATO and .223 Remington ammo have the same dimensions the difference is in what they are made with as far as powder charge and bullet. you a link to reset your password. The general rule: It is safe to fire .223 Rem. Personalize your experience. This was a great reference article when deciding what to buy. Quick View. If you're looking to be a, The new 6.8x51mm cartridge adopted by the US Army. By subscribing to Bear Creek Arsenal (BCA) text messaging on 87462, you agree to receive recurring autodialed marketing text msgs (e.g. Additionally, the 223 Wylde chambering has a slightly tighter bore diameter than the 5.56 NATO, which helps to reduce the amount of gas that escapes from the barrel and improves accuracy. But these days, basically every AR-15 on the market will be in 5.56 NATO or some other cartridge entirely like 6.5 Grendel, .300 Blackout, etc. Add To Compare . Top. GrabAGun (Check Price) Sportsman's Warehouse (Check Price) . If you are not letting sponsorship monies affect your partiality, then you definitely need to get much more detailed about all the underlying conditions that were met for you to make certain assessments. Buy 223 Wylde Uppers ON SALE, 16, 18, and 20 inch. Offering maximum performance as well as flexibility, the .223 Wylde chambering of the SAINT Edge ATC offers the best of both worlds. First off, there is no such thing as .223 Wylde ammo. There's more throat length in a 5.56 arrelabout .077 inchesand the angle of the throat is different to accommodate increased pressures. Its much safer. The Best .223 Wylde Rifles | American Firearms In 1957, during the investigation into the advancement of a military .22 bore rifle the Remington .222 Special was made by a joint exertion of Fairchild Industries, Remington Arms and U.S. Mainland Army Command (CONARC). There is also nothing wrong with a nitrided barrel if youre looking at PSA stuff. In comparison, the 5.56 NATO chamber is slightly roomier, with a longer leade and tighter leade angle to accommodate longer bullets and the higher pressure of the 5.56 NATO cartridge. .223 Wylde: The Ideal AR-15 Chamber? - An Official Journal Of The NRA 223 Wylde is taking the shooting world by storm and giving a lot of carbine owners more flexibility when it comes to ammo. (obviously ammo is a big part of this) 556 is a better "workhorse gun" better for putting a lot of rounds downrange, better for shooting faster (not sure why this would be, but I read it) If you want a REALLY accurate rifle, then .223 is the way to go. If you want a dedicated AR-15 for high-precision long-range varmint hunting, .223 Remington might be something to consider. ammo in a 5.56 NATO chamber, but the reverse is not true. Only time I've seen neck separations is .30-06 with several firings out of an M1. This hybrid chamber can fire both .223 Remington and 5.5645 NATO ammo with safety and accuracy. This is mostly because of pressure differences in the SAAMI specification. Consequently, the 223 Wylde vs 556 NATO chamber is the best choice for shooters who want to be able to safely fire both .223 Remington and 5.56 NATO cartridges in their AR-15 without being forced to choose between the accuracy of the .223 Remington or the higher muzzle velocity and wider selection of bullet weights provided by the 5.56 NATO . Price. Because of slight contrasts in the chamber measurements between the .223 Rem and 5.56x45mm NATO (SS109, M-855), the two cant be utilized conversely. While it is ill-advised to shoot 5.56 ammo out of a weapon chambered for .223, the opposite is perfectly safe. Otherwise, you can still buy the barrel elsewhere and build out your 80% lower receiver first with our Easy Jig Gen 3! 223 Wylde is more precise than 5.56 NATO. Our sporting .223 Rem. That was before COVID 19 issue, so prices now may very, but my point is there wasn't much cost difference and the 223 Wylde has a full SS barrel. While most likely not physically harmful to the shooter if that were to happen, its still not a fun thing to experience. Sorry, fella, but you can't just say that certain ammo is more accurate than another. Almost all currently produced AR-15s are either 5.56 NATO or .223 Wylde chambers. More tightly freebore size in a 223 Wylde rifle permits you to fire .223 ammunition with moderately solid exactness from it than a 5.5645 rifle. As for 223 Wylde accuracy, . Does anyone have a prediction in terms of accuracy on this upper - https://palmettostatearmory.com/psa-16-mid-length-5-56-nato-1-7-nitride-13-5-lightweight-m-lok-upper-with-nickel-boron-bcg-ch-5165449606.html. The .223 wylde barrels are the only ar 15 barrels I purchase anymore because they produce great accuracy! I came to the conclusion that the .223 Wylde chambering, with the 1:8 twist rifling, would work well with both .223 and 5.56 rounds, in most bullet weights. Technically, 5.56 NATO wasnt adopted by NATO until October 28th, 1980, under STANAG 4172. For the best experience on our site, be sure to turn on Javascript in your browser. This was the first chambering for Stoners new AR-15 rifle and was the chambering used in the early Colt AR-15 models that saw combat in Vietnam. Shop for 5.56 NATO and .223 Wylde AR15 Barrels at Aero Precision. What ammo shoots best in your 20 223 Wylde complete upper. Well, heres the thing you can safely shoot .223 out of a 5.56 barrel without a problem because the Remington round has less pressure that military 5.56 rounds do. Optics selection, magazine load, stock selection, will all have a bearing on balance as well. Damn I did get his name wrong Ill go change that. Just go with 5.56 chamber and you are gtg to use .223 as well. Deals Den The dimensions aren't different, but the tolerances and the chambering . It is a hybrid of the .223 Remington and 5.56 NATO cartridges, and it offers shooters the best of both worlds. purchase helps support my work in bringing you more awesome gun and gear articles. A, 'Wylde chamber' is nothing more than a slightly larger 223 chamber that's had its ID minimally increased in order to more readily accept 5.56mm cartridge bodies. Another advantage of the 223 Wylde chambering is its reliability. Msg frequency may vary. [ARCHIVED THREAD] - 223 wylde disadvantages. $142.50. I know Billy and he really knows his S**T when it comes to ARs and bolt guns. ammo in a 5.56 NATO chamber,. Fast shipping & best customer services always. As with many things, its whats on the inside that counts. Need .223 that is accurate? No. .223 Wylde Barrels | Custom AR-15 Barrels | Wing Tactical 223 Wylde is a hybrid chamber designed to let barrels be able to safely shoot both .223 Remington and 5.55mm NATO rounds out of the same barrel without loss of accuracy. But with the ability to create sub-MOA AR-15s in 5.56 NATO, the accuracy gain presented by using .223 Wylde really isnt very much. Still learning! Thanks so much for the informative article. When I decided to get an AR-15, (because Beto O'Rourke was saying that he wanted to take them away) I did a fair amount of reading to figure out the specs that I wanted in an AR. Faxon Q&A #2: Barrel profiles, length, fluting and more! In practical terms, this means that both 5.56 NATO and .223 Rem ammo perform equally well in the .223 Wylde chamber. Copyright 2023. Either chamber spec will likely serve you well, I believe the barrel material choice will be more important. 223 Wylde is generally more accurate than 556. One of the primary advantages of the 223 Wylde chambering is its accuracy. Great article. Sure, its possible. To truly acknowledge what 223 Wylde brings to the table, you have to comprehend 223 and 5.5645 as calibers. As such, it can safely shoot 5.56 NATO ammo but delivers precision closer to .223 Remington. So why arent they completely interchangeable? I don't even notice any difference at all. 223 Ammo at Ammo.com: Cheap .223 Rem Ammo Here In reality, a 223 Wylde rifle has vague burden ascertaining as a 5.5645 rifle yet moreover brings a .2240 freebore expansiveness. Aero Precision M4E1 Enhanced Barreled AR-15 Upper .223 Wylde Fluted Rifle Gen 2 - 18" View Details. AR-15 Upper Build Kits > .223 Wylde. What is .223 Wylde? .223 vs 5.56 AR-15 Barrel Comparison A 55 gr. The slight difference in the point of measurement can account for a variance in pressure measurement of more than 20,000 psi.