The days of collecting your shooting information in premade books designed by someone who perceives how you may shoot, and offers you a data book of target pages that are little to no value to you are long gone. In order to do this you will have to keep track of all the variable, but also how the cold bore shot will fall differently from others. At my last match we had a cold bore at 550 to open the day. Its pages are reusable and include a field expedient density altitude calculator, cold bore shot tracking log, known distance data confirmation pages, range cards, a point of impact shift tracker, and simple hasty hold formulas. Using a rugged, all weather material that can be written on using map pens, pencils, and nonpermanent markers, this data book was designed to perform in. Cold shot is the first book in dani pettreys new chesapeake valor series. Cold bore, time if you have a distinguishable cbs, i. Shooter log book, shooters logbook, shooting logbook, shot recording with target diagrams, black cover volume 25 publishing, moito on. Otherwise, they would call it next day shot for absolute precision, get a thermal camera, benchmark your bore temperature, record environmental conditions e. Unlike our cross the course log books, this one is just a single stage.
All pages are reusable and include a field expedient density altitude calculator, cold bore shot tracking log, known distance data confirmation pages, range cards, a point of impact shift tracker, and simple hasty hold formulas. Their lives are continually merging because of their chosen professions of differing branches of law enforcement. Buy the magpul industries precision rifle data book 2. Pressure and valve position sensors give an unparalleled and fully documented remote view of our clients pads in real time. Unless you are a one shot hunter i would not zero on a cold bore shot. He is pretty adamant that he can prove the cold bore shot theory wrong. These two base data sets also drive an automated algorithm that tracks the startfinish of. Ill follow up with four more shots plotting each of these.
Find a load, stick with it and become one with the load. Impact data books modular, premade, custom datalog books. This information is vital for increasing your ability for first round hits. Cold bore improvment gun and game the friendliest gun. Part of our qualification includes a cold bore shot at 100 yards. Zero on shots 5 through ten and record your cold bore shot on your dope card. I have recorded today my first group of the day on tape and check what happened. Your cold bore shots will be somewhat off from your fouled barrel shots. Data sheets for zero summaries, cold bore shots, zeroes, bullseye, stationary, unknown distance, and moving targets. The sniper data books are printed on tan rite in rain all weather paper, in a compact paper size of 4 58 x 7. Is it the scope set up or what do think i should check first.
I have no problems making the standard, however i have become obsessed with hitting the 1 dot every time. Hunting season is coming up, so its time to get your rifle squared away. Its the story of lifelong friends who have had the best of times together and the absolute worst of times together. If it isnt, it either isnt cold enough to affect your barrel or your barrel shows minimal signs of the affects or both. Its different for every rifle, so its best to chart each rifle separately if you really want to know. Yes, i thought about clarifying that i was talking about cold bore and not clean bore.
How does a sniper keep the barrel warm before the first shot. I needed to log my cold shot in these conditions to help fill out my book. For example, if the shooter deploys the rifle clean, without fouling, then the cold bore shot should be fired from a clean and unfouled. Extremely difficult, you have to anticipate where the shot will go. A lot of people talk about cold bore shots with sprdmrmk12 ar15s and any rifle, and for good reason. Referencing my logbook i can tell this is my cold bore shot, there is a distinct difference to my followon shots to my cold bore shot. Im starting to think it needed cleaned in a very bad way. Some shooters believe that the cold bore shot deviation is usually caused by cold mind and that some dry firing and getting ready to shoot can reduce or eliminate. Out of about 30 shooters only a couple sunk it in the 4 point square and most got the 2 points. When i am training with my sniper teams, we record our cold bore shot first, and then shoot a group. Accuracy international cold bore shot snipers hide forum. Tactical supply sniper data book instructions general. Typical information includes details on cold bore shots.
Im hoping his book will be under the tree so i can read more. Cold bore data and remarks sheets for modular sniper data book, 25 sheets per package. Rounding it out are a round count page, and a field sketch and range card page. Pocket size pages have 6 holes and they measure 6 x 4 inches. Ive been working up loads the last few weekends for my 708. Nov 15, 2018 tom mchale schools us on how he builds range logs with precision rifle data for getting on zero when longrange shooting. The cartridge sits on top of the magazine with the bolt open until ready to fire, at which time the bolt is closed and the round is fire. Accuracy international cold bore shot i had a rifle with a cold bore shot similar to yours. A cold bore shot is the first shot, with a clean barrel that will hit different than a dirty barrel. Jun 29, 2017 everyone who owns a precision rifle keeps a dope or data book on that weapon at least they do if they are serious shooters. The pocket pro timer i use to ensure i hit my target in two seconds or less if you do this simple drill and youre nowhere close to hitting the target then that should be a lesson that you need to spend more time dry firing, working on your draw stroke, and trigger control. A good log book will help you determine exactly how much of a difference, and where.
Jan 09, 2014 snipers actually train for cold bore shots since that is what theyll usually be taking. I also made a cold bore shot log and rifle maintenance log. Everyone who owns a precision rifle keeps a dope or data book on that weapon at least they do if they are serious shooters. A bench, youll also need a rifle rest, a rear sandbag, the ammunition you intend to use on the range, and a log book to tally your shots. Cold bores, are rarely a function of heat, in some cases it can be combined with a poorly made barrel, and improper threading to create a variation in impact from one round to another, but the traditional thinking on what a cold bore is, has been proven to be highly flawed.
Recently, i had discussion with on of my sniper friends and he was pushing hard theory that this is more of the mental issue than anything else. Define cold bore, in order to impart understandable meaning to this thread. If your first shot is out of the group, this is the effects of the cold bore shot. Standard size pages have 3 holes and they measure 8. The shooter using the looseleaf version of the data book should elect to leave completed data pages at home in a separate notebook to protect these pages. Its used by snipers to record every aspect of each shot they take so when they are faced with the need to take a cold bore shot, they have the information they need to increase their odds of an effective first shot. Cold bore shots and rifle zero what to worry about the. What should i do to get a more consistant pattern from cold bore to 2nd to 5th round without cool down time. A cold fouled bore is usually pretty close to a warm fouled bore. The shooters first shot of the day should be his cold bore shot, and should be fired through the rifle as it would be deployed. The cold bore page will allow you to track and record your clean cold bore and your cold bore shots. Dec 18, 2007 a cold bore shot is the first shot, with a clean barrel that will hit different than a dirty barrel.
To make standards you must be inside a 2 circle while aiming at a 1 dot. The calculated trajectory parameters includes downrange velocity, energy, momentum, drop relative to the extended bore line of the gun, bullet path height relative to the line of sight of the shooter, wind deflection of the bullet, and time of flight of the bullet, lead for a running target, etc. Im thinking about keeping a log and going from there. Teaching responsible, safe and effective use of small arms in self defense. The rest of the 5shot magazine would open the group to nearly 2 assuming poor technique, we reshot the test groups without cooling the rifle. Weve thought about a careful cold bore experiment, but not done it yet. Normally the point of impact on the first shot fired from a clean, cold barrel will be slightly different from shots fired after that. Youll want to zero that rifle before the hunt, and you need to know how your shots will impact with a cold barrel. So i think i may have fixed the issue, if it comes back i will deep clean again. Transform your completions operations with realtime, sensordriven data and analytics using smartpad. Whether you are a longrange hunter or, like me, just want to insure you can drop a deer or elk at reasonable ranges, it pays to know how important cold bore shots and rifle zero are for a hunter. We have had success minimizing velocity variations of followup shots by not letting the round cook in the chamber. Feb 19, 2014 i keep a log book on this rifle for work. Why you need to practice a cold bore shot usa carry.
Ideally, i like to practice cold bore for hunting, but i figure why not do it for daily practice as well. The point of impact does not vary after the cold bore. I went out and shot again tonight, probly 150 rounds shot since cleaned and my cold bore shot was right on. It was a savage, so i screwed a different barrel on it, with the same result, which tells me it is not the barrel. I mean no disrespect to all the guys online or that i hear irl with the common sniper advice to keep a log book you dummy and youll know where to shoot depending on the ambient conditions, but shot displacement at 100yds with no velocity info is basically only valuable to me for a few hundred yards. Is it mechanical issue or is it all in trigger puller head. So if you sight your gun in by the time you have it adjusted to where you want to hit, the gun is sighted in for a dirty barrel.
Shooter log book, shooters logbook, shooting logbook, shot recording with target diagrams. Normally the point of impact on the first shot fired from a clean, cold barrel will. I put up a target at 500 yards this summer 8x10 and i had the thought about doing one shot a day to just to practice my cold bore. Ive noticed each day my cold bore shot is averaging 2. I believe it has something to do with the action to stock fit. I have a 7mag that on my first cold bore shot for group it goes 2 12 to 3 high then the next four will be in one inch at 300yards its a custom rifle with a 29 barrow berger 180 vld hunting 3115 fps cleaned and five shot failing, let cool. Keep in mind the sniper team may be in a shooting position with the barrel in air for hours or even days before they pull the trigger. Welcome to the predator masters forums be sure to visit the main predator master website at. One of cold bores strategic differentiations is the use of physical sensors that turn any wellhead into a digital wellhead. Sako a7 with about 80 rounds down the barrel shooting 150 gr federal fusion. The book uses a 6 ring polydura mini binder, which allows the operator to organize the book per.
I have been having this problem for about 2 yrs now the cold bore shot will be way out from poa at 100 yds. Recorded data can also be erased with alcohol based substances, returning the material to its original state. It takes several outings to accurately determine a cold bore shot and you absolutely cannot change your load between shots. All too often, hunters get obsessed with minutiae which might matter in target matches but have no importance when flinging lead at an 800 pound.
Until i heard his podcast i thought this was a universally accepted fact but its hard to dismiss a man with the experience he has. Hunting cold bore shots page 2 long range hunting forum. Also, there is no way to know if they will be higher. The main difference is going to be between a cold clean bore and a warm fouled bore. After you finish head down range and view the target. I have added a new vortex scope, burris rings, and a millet one piece base. Aug 18, 2019 i put up a target at 500 yards this summer 8x10 and i had the thought about doing one shot a day to just to practice my cold bore. Gunsite rangemaster cory trapp discusses the necessity for a cold bore shot and why you should log every cold bore shot you make. May 18, 2016 what is my cold bore shot in my sprdmrmk12 ar15 rifle. After your scope is zeroed, clean your bore while in the field or on the range. If warranted, you can begin to capture more specific data including different atmospheric conditions, performance in different wind situations, cold bore results, and impact shifts when adding or. Shoot a round or two before making any scope adjustments.
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