Thereafter playing with the jump to close the groups down more tightly. Long-Range Load Development. It's worked every time I've used it and continues to perform. Load development is when you get the variables in a loaded cartridge to a specific set of specifications to match your rifle the best. He never references this point after an initial measurement. They are part of a total analysis of multiple shot groups. Satterlee Load Development and Testing. Dan Newberry's Optimal Charge Weight Load Development go to ocwreloading.com. Reading list of suggested books for long range shooters, from novice to expert level, there are books for all. The goal is to get the SD as close to 0 as possible, indicating consistency. You cannot go up to the target to mark it yourself after every shot, as you want to fire the shots as soon as possible after one another to ensure constant similar conditions for each shot. I don't think what I'm showing here in the 100 yard load development method should be considered a small sample size. Step 1. Load Development: Ladder Test Method The ladder test method for development of a load for your rifle is proven by reloaders and expert shooters accross the world to work. This helps us keep this site going, and does not affect the price you would pay usually in any way whatsoever. The reason I have not used it is because I usually have no idea where the seating depth will be. I find load development the most interesting part of this whole game. This test has proven to be a winner. Load development is one of the most important aspects when it comes to precision rifle shooting, there are three main load development methods. Minuteman. The fact of the matter remains: undeveloped real estate has the ability to deliver the same consistent cash flow as any other type of investment opportunity.. Fortunately for investors, raw land is … May 6, 2017 407 72 Mexico, MO. Every single rifle, whether it is a factory rifle with factory barrel and chamber, or custom rifle with custom reamed chamber and barrel, shoots differently that another. As mentioned previously, there are three main methods to use to develop a load for your rifle, they are the OBT (optimal barrel time) method, the OCW (optimal charge weight) method and then our preferred method based on efficiency of ammunition use and simplicity of determination, the ladder test method. What is load development? A node is the points in the resonating pattern that the barrel travels in, where it is at the center point again. Shooting forums are replete with users throwing up groups and asking other users to interpret them because they lack an objective method. There are three main load development methods, each having it’s own end goal which you have to focus on to get a load recipe developed for the specific rifle. The ladder test method for development of a load for your rifle is proven by reloaders and expert shooters accross the world to work. 4. No, that is incorrect. Even at 100 yards, wind can play a significant role, and we want to eliminate that variable. Incremental Load Development Method Magnum intended to be used for 1000 yard competition. 74gtf100 Private. Otter, I have Tony's book. Barrel life, according to most precision shooters is basically the number of rounds expected before the rifle shows inaccuracy of more than one MOA. This method is ideal for shooters who like to get super technical with details and do not mind learning a new computer program or working on a computer, and have access to a computer. I am not looking for a new method, as I am satisfied with mine. Here are a few useful links to learn more about it: OCW Method vs. Audette’s Ladder Test Dan Newberry’s Optimal Charge Weight (OCW) Method Overview This method is popular because it does not require the use of computer software, and when done properly, is also the most efficient on ammo use, as one can find a load or sweet spot or two, often within the first ladder of 12 or more cartridges. Concentricity ensures consistency of cases, bullet seating, neck tension and positions in chamber. Dan Newberry OCW or Optimal Charge Weight Load Development method or system for handloading, reloading, bullets, brass, powder, primers, accurate handloads. A common method for doing so is called “ laddering. You then adjust the powder charge up or down as to reach the nodes that the software tells you, it is as simple as that. In order to personalise the concept, I illustrated the initial stages by picking a powder and projectile for my .30-06 Sauer 202, abbreviating the test parameters somewhat by taking an educated guess at where a set of components may start to work and giving it a go. This reloading video is the first in a series of videos that cover how I approach load development for long range precision rifles. Hard to beat that! These three are the Optimal Barrel Time (OBT) method, the Optimal Charge Weight (OCW) method, and the Ladder Test Method, also often called the Sweet Spot Method or the Ladder method. What is a sweet spot in load development? We show you how. The instructions to work the programs are easy enough for any adult to learn. In this article we will share with you how the ladder test method, also sometimes called … One piece of equipment, all of these methods rely on, and is therefore a MUST HAVE for load development, is a chronograph. Important to note here. So if there is a slight margin of error, the shots will still impact closely to the point of aim. Laddering Load Development. In the fourth episode of the Precision Rifle Load Development series, I test fire the first loads from my new competition rifle. Experimenting with and tweaking different variables such as bullet, powder, and Cartridge Overall Length gives you the ability to find the very best performing load for your rifle. The Incremental Load Development Method There is a load development process I used more than l0 Years that can tell you quite a lot about a rifle and that kinds of components it likes and at what velocity levels it will shoot best. Cal July 13, 2012 Ammo & Handloading, Load Development 9. Take the best SD/ES values or “speed node” instances from 10-shot/50-shot testing at 100 yards and perform OCW-style group testing (with a focus on maintaining even barrel temperature, etc). One point to remember with this method though, is that you have to be able to differentiate between every single shot, in it’s correct sequence, with it’s corresponding velocity, so this is either done through the use of equipment like the long shot camera when alone, or by having a friend near the target behind a safe mound or wall with a radio that you can signal after each shot to mark it for you. Reloading Depot. Load Development Manual.pdf. When you decide to take your rifle shooting to the next level and improve your accuracy and precision, whether just for your own pleasure, to compete in precision rifle shooting matches or just to increase your hunting accuracy, there comes a time where you will need to do load development for a rifle. By identifying the width of your nodes you should be able to find a load the works all year long. I love reading others methods. This consistency is what translates into precision during shooting. Personally we prefer Gordon’s Reloading Tool as it is free, and it seems to be a little more precise even providing half nodes and not only full nodes. Advanced Marksmanship Unit. Which you decided to follow or make use of, will depend on your personal preference and equipment at your disposal, however there have been successful champion shooters in each discipline of precision rifle shooting, making use of each of these load development methods, so there is no real right answer as to which one is the best, and each of those methods are sufficient to develop an accurate cartridge for a rifle, if done correctly. Sign In. A sweet spot, is similar to a node, it is found where two or three consecutive shots, in differing but following increments, are at roughly the same speed or sit roughly on the same horizontal plane as one another, often both of these together. As without the actual velocity shot from the specific rifle, it’s ballistic data and reactions to changes in cartridge variables cannot be determined. Measuring the correct amount of gun powder when reloading ammunition, is one of the most important aspects of accurate rifle shooting. The ladder test method of load development, or also as it is often know the sweet spot method of load development, is a more practical method, where a string (or ladder) of shots are shot at 300 yards, with cartridges loaded at 0.1 or 0.2 grain increments, just one of each, and then determining which of them are sweet spots. It is a practical safety step to avoid a problematic situation. This measure volume of water is then used in the case volume parameter. Load Development These are the posts related to load development. The caliper will be used to measure the cartridge overall length (COAL) as well as the case length. There are three main load development methods, each having it’s own end goal which you have to focus on to get a load recipe developed for the specific rifle. A simple DIY plan and method to build your own reloading bench at home using basic hand tools, and hardware store materials. The ladder test method for development of a load for your rifle is proven by reloaders and expert shooters accross the world to work. The Raw Land Development Process: How To Develop Land In 6 Steps. Then you load the middle powder charge weight in one of those sweet spots. Next, I measure the distance to the start of the rifling (lands) with the new bullet using the … Here's how. The GAP stands for GA Precision, who originally made the cartridge famous during owner of GA Precision, George Gardner's use of the caliber during professional competition rifle shooting in 2012. Good luck, and as always, enjoy the process. PX Member. I like his method. Static electricity can cause havoc with your electronic reloading scale, however there is an easy way to get rid of it. Accurate shooting is as much about shooting and technique as it is about load development. Consistency is a critical part of accuracy. Accurate shooting is as much about shooting and technique as it is about load development. ” That means loading small amounts of ammunition that is essentially identical but for a single variable that is incrementally changed across the entire test batch. Freebore. For the OBT method to be used effectively, the correct parameters of both cartridge and rifle need to be input into the software. The point of this, is to determine which gunpowder charge weight, provides the most consistent point of impact, even if external factors like the weather or slight errors in the loading of the cartridges vary slightly. Once you have developed your load and all other variables, you can start playing with this jump to see if groups open up or become tighter. Thanks guys, very interesting. These tips and techniques will help you develop a load and shoot accurately. We test and review the top 3. Yes you can pay someone else to do load development for you, but not only will it work out cheaper to do it yourself in the long run, you also learn so much about the dynamics of rifle shooting, cartridge composition, bullet propulsion and bullet ballistics, during the load development and reloading process that it automatically improves your precision shooting, and concept application. Sep 6, 2018 #1 Ive seen guys shoot ocw, ladder tests, use chronos etc. The size of the 3 shot group is irrelevant. Thanks to tech gadgets, you can now have instant automatically calculated electronic DOPE range card settings ready for any hunt or precision rifle competition. A populate one is Dan Newberry’s Optimal Charge Weight (OCW) Method, which some claim is an improved and less error prone way to perform load development. Load a third test cartridge with the next 2% graduation. Developing a load to match your rifle is one of the most fun and rewarding things you can do as a handloader. The OBT method, involves getting the exact parameters of your rifle, and the different components of the cartridge, inputting them into ballistic software or a ballistic program like the paid QuickLoad or the free Gordon’s Reloading Tools after having shot that cartridge and getting the muzzle velocity (MV) of the bullet with those specifications shot out of that rifle, and then the software will calculate the barrel whip or barrel resonating and barrel harmonics after a shot is fired and the bullet travels through the barrel, to ultimately determine the nodes for that rifle with that cartridge.
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