Sinclair International offers a handy tool assembly that lets you sort bullets by base to ogive length. Yes you can do this with a comparator tool attached to calipers, but the Sinclair tool really speed up the process when you’re sorting large quantities of bullets.
The $79.99 Sinclair Bullet Sorting Stand with Dial Indicator (item 749-011-469WS) comes with a heavy black granite base that stays put on your loading bench. The included analog dial indicator has a quick-release lever allowing easy placement and removal of bullets into the comparator. This lever allow the spring-loaded indicator shaft to pop up out of the way.
In the video below, Sinclair shows how to use the Bullet Sorting device. Sinclair recommend sorting in batches with variance no greater than .005 (five-thousandths) in base-to-ogive length. We like to hold tolerances even tighter, trying to hold spreads to .003. The special base comparators used with this tool are offered for $10.99 in .22 caliber, 6mm, 6.5mm, 7mm, .30 caliber, and .338 caliber. The sorting stand can also be used with Sinclair’s handy multi-caliber hex-style comparators (items 749-002-942WS, or 748-002-833WS, $19.99).
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Sinclair International has a helpful, three-part video series on Full-Length Sizing. The full-length sizing die performs multiple important functions: it resizes the case body, resizes the neck, and adjusts the headspace relative to the chamber (it can also eject the spent primer if that was not done previously).
While neck-sizing-only can work with moderate loads (for a couple firings), after repeated firings the case can stretch, becoming too tight to chamber easily. If you shoot cases with high-pressure, near-max loads, you will probably benefit from full-length sizing your cases each reloading cycle. When full-length sizing, you will want to move the shoulder back (i.e. “bump” the shoulder) to provide proper clearance in the chamber. A case that has grown too much will exhibit stiff bolt lift after firing and be hard to chamber if it is not FL-sized during the reloading process.
Sinclair recommends bumping cases .001-.002″ (one to two thousandths) for cases used in bolt-action target-shooting rifles, or .003-.005″ (three to five thousandths) for hunting rifles or semi-auto rifles. To move the shoulder back you screw the FL-sizing die downwards in the press once you’ve determined “just touching” on the shoulder. You don’t have to screw the die down very far! With a normal 14-pitch die, 1/8th turn (45° rotation) yields approximately 0.009″ of downward movement. So it doesn’t take much to add a few thousandths of bump.
Case Sizing Part One — Why We Full-Length Resize
Case Sizing Part Two — How to Set Up Your Sizing Die
Case Sizing Part Three — How to Use a Bump Gauge
NOTE: These FLASH videos may not display on some mobile devices.
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For decades, shooters have depended on Brownells to provide tools, parts and accessories for nearly all kinds of modern sporting and hunting firearms. Starting this month, gun owners can now purchase rifles, shotguns, and pistols from Brownells, which has opened a web-based, gun sales division. The company’s entry into selling firearms online makes Brownells a true, one-stop-shop for gun owners and shooting sports enthusiasts.
“We’ve been a gun company from the beginning,” said Pete Brownell, CEO of Brownells. “For 77 years, we’ve serviced all corners of the firearms market – new shooters to gunsmiths. This is just one example of many upcoming programs we’ll be launching to serve every portion of the gun industry.”
Brownells’ new Firearms Sales Center features more than 3,500 production firearms from over 30 popular gun manufacturers, including Remington, Ruger, Browning, CZ-USA, Smith & Wesson, Sig Sauer, Beretta, Benelli, Glock and more.
Customers can order guns online using the simple, step-by-step instructions. The quickest, easiest method for completing an online gun purchase will be to choose a Brownells Featured Dealer from the online list of FFL dealers who have already agreed to perform transfers on guns bought from Brownells.
News Tip from EdLongrange. We welcome reader submissions.
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We’ve done some bullet casting in the past, both for handgun bullets, and the large, heavy (400gr+) projectiles used with Black Powder Cartridge Rifles. We can say, unequivocally, that newbies should seek out the assistance of a skilled, experienced mentor, who is familiar with the important safety procedures that must be employed. Working with molten lead can be dangerous. And it also takes some skill to get good results (without visible casting flaws), particularly with very large bullets.
That said, there are valuable resources that can help you get started with the casting process. Wolfe Publishing offers two DVDs that cover the bullet casting process from start to finish. Bullet Casting 101 takes you through the basics: showing you how to choose the correct alloy for your application, prep molds, maintain the optimal temperatures, and lube and size bullets. The important steps are laid out clearly. In addition, Bullet Casting 101 helps you select the right equipment and preferred molds for your particular application. (To create uniform rifle bullets that shoot accurately, you really do need high-quality molds.)
Wolfe Publishing offers a companion DVD, Casting Premium Bullets for Handguns, that covers more advanced techniques for high-volume pistol bullet production. This DVD covers both single-cavity molds and multiple-cavity “gang” molds. (Gang molds can be frustrating at first; it is harder to maintain perfect temp control and mold separation is more complex). The DVD also reveals the sources of most common casting flaws, and explains how to detect cracks, voids and other problems.
You’ll save considerable time and effort if you really understand how to avoid common mistakes before you start pouring lead. And you’ll get the best results if you learn how to “blend” the optimal alloy for the job. Maintaining the right mold temperature is also critical for good results. These topics and more are covered in these two DVDs, priced at $16.99 each from Sinclair International.
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If you have ever turned a large quantity of case-necks using power assist, you know that a carbide mandrel can make the job go easier, with better end results. In our experience, when using carbide mandrels (as opposed to ordinary steel), the cases move more smoothly with less heat build-up. Pat Reagin of PMA Tool explains why carbide neck-turning mandrels work better:
Carbide offers several advantages over conventional steel and stainless steel when making any tooling, specifically neck-turning mandrels:
Dimensional Stability — Carbide maintains its dimensions indefinitely during heating and cooling. This eliminates the need to allow the mandrel time to cool every few cases.
Coefficient of Friction and Wear-Resistance — Carbide exhibits a low coefficient of friction value as compared to all steels and wears up to 100 times longer. This reduces (but does not eliminate) the amount of lubricant required.
Galling Resistance — Carbide has exceptional resistance to galling and welding at the surface. This basically eliminates the chance of getting a case stuck on a mandrel due to insufficient lubrication.
Given the benefits of carbide neck-turner mandrels, you may be asking “where can I get one?” Sinclair Int’l offers carbide mandrels for Sinclair neck-turners for $49.99, in a full range of calibers: 17, 20, 22, 6mm, 25, 6.5mm, 270, 30, and 338.
$49.95 Carbide Mandrels from PMA Tool
PMA Tools now also offers carbide mandrels in a full variety of sizes. At $49.95 each, PMA’s carbide mandrels are priced competitively with Sinclair’s mandrels. PMA offers carbide mandrels in .17, .20, .22, 6mm, 6.5mm, 7mm and .30-caliber. These will work with Sinclair Int’l and 21st Century neck-turners, as well as PMA neck-turners. PMA tells us: “We now have carbide neck-turning mandrels in stock. These mandrels are made with high-tech CNC grinding-machinery, and should give you excellent results. We hope to be add other larger-caliber carbide mandrels to our lineup in the future.”
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When your cases become hard to extract, or you feel a stiff bolt lift when removing a cartridge, it’s probably time to full-length size your cases, and “bump” the shoulder back. With a hunting load, shoulder bumping may only be required every 4-5 loading cycles. Short-range benchrest shooters, running higher pressures, typically full-length size every load cycle, bumping the shoulder .001-.002″. High Power shooters with gas guns generally full-length size every time, and may need to bump the shoulders .003″ or more to ensure reliable feeding and extraction.
Use Shims for Precise Control of Shoulder Bump
Some shooters like to set the “default” position for their full-length die to have an “ample” .003″ or .004″ shoulder bump. When they need less bump, a simple way to reduce the amount of shoulder movement is to use precision shims in .001″ (one-thousandth) increments.
Here are reports from Forum members who use the shims:
“Great product. I have my die lock ring(s) adjusted for the shortest headspace length on my multiple chambers 6BRs and 6PPCs. When needing a longer headspace, I just refer to my notes and add the appropriate shim under the lock ring. Keep it simple.” — F.D. Shuster
Mats Johansson writes: “I’ve been using [shims] since Skip Otto (of BR fame) came out with them. I set up my dies with the .006″ shim, giving me the option of bumping the shoulder a bit more when the brass gets old and hardens while still having room to adjust up for zero headspace, should I have missed the original setup by a thou or two. Hunting rounds can easily be bumped an extra .002-.003″ for positive, no-crush feeding. Being a safety-oriented cheapskate, I couldn’t live without them — they let me reload my cases a gazillion times without dangerous web-stretching. Shims are a must-have, as simple as that.” — Mats Johansson
Sinclair Int’l offers a seven-piece set of Sizing Die Shims that let you adjust the height of your die (and thereby the amount of bump and sizing) in precise .001″ increments. Sinclair explains: “Some handloaders will set their die up to achieve maximum sizing and then progressively use Sinclair Die Shims between the lock ring and the press head to move the die away from the shellholder. Doing this allows you to leave the lock ring in the same position. These shims are usually available in increments of .001″ and work very well.”
Seven Shims from .003″ to .010″
Sinclair’s $12.49 Die Shim Kit (item 22400) includes seven shims in thicknesses of .003, .004, .005, .006, .007, .008, and .010. For ease of use, shim thickness is indicated by the number of notches cut in the outer edge of each shim. Even without looking you can “count” the notches by feel.
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Derek Rodgers is a member of the Team Sinclair F-TR squad. This talented group of shooters hasn’t lost a team match in years. What’s the secret of Team Sinclair’s success? Well there is not one single factor. These guys have very accurate rifles, work hard on load development, and practice in all conditions. In this interview, Derek Rodgers talks about long range competition, reviewing the hardware (and skill set) it takes to win. He offers some great tips on developing loads. You’ll find a longer version of this interview on the Sinclair Int’l website. CLICK HERE to Read Full Interview.
Derek Rodgers BIOGRAPHY
Derek Rodgers (Albuquerque, NM), is the only shooter to have won BOTH the F-Open and F-TR National Championships. Derek shot his first NRA sanctioned-match in 2007, and just three years later Derek won the 2010 F-Open Nationals. He also won the 2013 F-TR Nationals, making him the only person to win both divisions. He has won other major F-TR matches, including the 2013 Sinclair East Coast Nationals and the 2015 Berger SW Nationals. Derek holds the current 1000-yard, 20-shot, National F-TR Record (200-12X). Derek enjoys spending his time outdoors with his wife and two daughters, ages 12 and 7. He is blessed by his faith and supported by his family. Derek’s goal is to pass on what he has learned to the next generation.
Q: What is your favorite reloading product?
I really like my BenchSource Case Annealer. There is something about watching fire that I find relaxing. I can watch those shells go around the wheel for hours.
Q: What’s your preferred front rest or bipod?
I’m currently using a Duplin bipod. At 17.2 ounces it allows me a solid platform to shoot from and the extra wiggle room to make weight with a heavy barrel and Nightforce NXS scope. Also, I can’t do without my board under the bipod. We shoot off sand at my local range and in most cases the feet will tend to dig holes if not supported. The board is necessary gear for me.
Q: What rear bag do you use?
I have an Edgewood bag that I’ve used for years. Recently, I got a SEB Bigfoot and like how it supports the gun and stays put under recoil.
Q: Explain your load development process. What’s your methodology?
I have two log books that have many combinations that work with 308s. I have tried to keep detailed notes in these books. Now I am reaping the rewards, as I can go back to a particular twist and barrel length and find something very close. I usually start with 3-shot groups and check the chamber behavior. If something looks promising I will go back to the range and load up 6-shot groups. If those shoot well, I take it to a match to verify it in a 20-shot string. If it passes that test it is either good to go or I table it and try another. I tend to pick mild loads that the cartridge shoots well — consistently.
Q: What piece of shooting gear helps your load development?
I use a MagnetoSpeed Chronograph to record velocities. Then I can slow down or speed up my loads to reach an accuracy node. It is amazing that most barrels will shoot very accurately when fired at certain known velocity nodes.
Q: What do you carry in your range bag on Match days?
Multi-piece Brownells tool set, RX Glasses, Sunglasses, Range Rod, Towel, Empty Chamber Indicators, Jacket, Sunscreen, Foam Ear Protection, Ear Muffs, Data Book, Plot Sheets, Pen, Clip Board, iPod with ballistic data, and chewing gum.
Q: How did you get started shooting?
I was raised in New Mexico where outdoor activities are abundant. Once my father introduced me to a Crossman pellet gun, all I wanted to do was shoot and refine my skills. Shooting evolved into hunting and then into perfecting my skills in off-season matches. Shooting local F-Class matches made me better as a marksman. Now I feel like I am competitive with anyone. However, I will never forget that my roots started with hunting and still cherish the opportunity to hunt…
Q: What do you find most challenging? How do you learn from mistakes?
What I find most challenging about precision shooting sports is how great shooters are able to reflect on what was learned — both positively and negatively. It is important to slow down and perform this step. Stopping to reflect and learn from mistakes I’ve made on the firing line is challenging. Not many people enjoy accurately critiquing themselves. Also the wind usually blows here in New Mexico and choosing the right time to shoot and to stop is important. It’s often tempting to try to finish out a string of fire. But sometimes challenging yourself to quit and wait out some wind will pay off[.]
Q: What advice do you have for selecting a gunsmith?
The best recommendation I can give is for a person to get to know a gunsmith. If you can find a local gunsmith that is available — even better! If you run into a snag along the way, it is so nice to be able to work it out without sending things back and forth. Be honest, realistic with your expectations and tell the gunsmith what you want. If he only wants to do things his way, or takes extra or excessive time in meeting the goals, you may want to consider someone else.
Q: Who would you recommend for stock work on your rifle?
Alex Sitman from Master Class Stocks and Doan Trevor can build or fix most anything.
Q: What do you do to mentally prepare before a shooting competition?
I relax and try to remember I do this for fun. I anticipate what game plan I want to go to the line with. I also try to take small snapshots of the conditions. I do not like getting overloaded with staring down a spotting scope for long periods of time. I try not to get overwhelmed with the match and just shoot my game. My approach is “One shot at a time — good or bad”. I will usually tell my scorer what I’m going to do so he or she is ready as well.
Q: What advice would you give to novice competitors?
Partner up with an experienced shooter that is ranked nationally. Mentoring under a veteran shooter would be the best way to help save time learning instead of experimenting. Chances are an experienced shooter has already tried what you are considering. As a new shooter, do not get sucked into reading all of the opinionated blogs on the internet. Stick to good information. AccurateShooter.com | 6mmBR.com is a great resource with a wealth of information from knowledgeable writers. That site has articles that are based from facts and/or industry news and information.
Q: What is something you would NOT recommend before a shoot?
I do not recommend coming unprepared. If you are late, scrambling around, or do not have your gear in order, you will not perform at your best.
Q: How many rounds do you shoot in a year and how often do you practice?
I shoot 3000+ rounds a year. I try to shoot 1 x a week if I can get away in the evening or on the weekend. If I am close to finding a load I may try to get out more until I exhaust that load as an option. So there may be occasions that I will try to shoot three times a week. Fortunately, the winters are mild in New Mexico and it allows me to shoot year round. I actually shoot more when it is colder. The summer sun here can create mirage that makes it nearly impossible to learn anything.
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Dan Pohlabel is a member of the all-conquering Team Sinclair F-TR squad. This talented group of shooters hasn’t lost a team match in years. What’s the secret of Team Sinclair’s success? Well there is not one single factor. These guys have very accurate rifles, they work hard on load development, and they practice in all conditions. In this interview, Dan Pohlabel talks about F-TR competition, reviewing the hardware (and skill set) it takes to win. He offers some great tips on developing loads. You’ll find a longer version of this interview on the Sinclair Int’l website. CLICK HERE to Read Full Interview.
Q: What do you find most challenging in F-TR Shooting?
It has to be keeping up with the competition, our sport has grown so quickly with new talented shooters. Staying at the top requires having a laser of a rifle, perfect loads, near perfect wind reading, and, of course, breaking good shots.
Q: How can novice shooters improve their game?
Seek out the local F-TR shooters and go to matches with them, listen and learn. Attend team matches and offer to score for one of the teams. As a scorer, you will sit close enough to hear the coach make wind calls and see the results on the target. Through the spotting scope you will see changes in mirage and it’s the quickest way to learn the basics of wind reading. Choosing and buying equipment is relatively easy, learning to read the wind is a journey.
Q: What’s in your range bag for match days?
Rear bag, towel, shooting glasses, canned air, ear protection, data book, pen, rifle rain cover, hat, rifle tools, timer, ammo, and bug spray.
Q: What specialized gear can you not live without?
1. A good set of elbow pads. It’s hard to keep concentrating on shooting when your elbows are rubbed raw from days of competing on them.
2. Good bug spray. We shoot from the ground but our shooting mats aren’t that big. It’s hard to concentrate with bugs crawling or chewing on you.
Q: Load Development — How do you work up a load?
First, I call Derek Rodgers and get his load data, he is the best load development shooter I know! Otherwise, here is the procedure I recommend. Measure throat length with bullet of your choice, to determine how much room is left in the case. The above measurement determines what powders you can use. We use only Hodgdon Extreme powders. Shoot a ladder test, five rounds each in 0.2 grain increments, to find the accuracy node for that bullet/powder combination. Take the best two loads and do a jump test with five rounds each, test at .005″, .025″, .060″ jump. One of these groups will be significantly better than the rest, now you can tweak that measurement +/- .002” or .005” to get the best accuracy.
Test at least three different primers to determine which offers a little better ignition for your load, a 5-shot test will usually tell you which is the best. Go back and test the two best combinations in a 10-shot test at least twice, pick a cool overcast day and also a hot sunny day and compare results. Take your final “best load” back and do a “simulated match”, 20 shots, waiting at least 20 seconds between shots. If you like those results it’s probably a reliable and accurate load.
Q: What rear bag do you use?
I use a two-bag system, large bag on bottom with a smaller bag on top. I had the bags made of marine canvas, zippered and filled with plastic beads. I can adjust the amount of fill to make them a perfect height for my shooting position. Teammate Jeff Rorer uses a similar system and mine is nearly a copy of his rear bags.
Q: How often do you practice and how many rounds do you shoot per year?
In good weather I practice a couple times a week at the local range, a couple more dry-firing practices/week at home. I typically shoot between 2,000-2,500 rounds per year.
Q: How do you prepare mentally before a match?
[I do] lots of visualization — run the video in my head of what I expect to see and of my performance. I think about the correct strategy for the conditions, staying disciplined to the strategy.
Q: What do you avoid before a shoot?
No late nights or excessive alcohol. Very little caffeine in the morning. Leave your cell turned off. Avoid emotional people.
Q: What’s your procedure on a Match day?
I arrive early, get squadding card, move gear, watch wind speed/direction, check over rifle and gear, sit and relax, visualize and focus on the most important goal of the day. Most days we shoot three relays of 20 shots. It’s important to eat and hydrate continually all day. My focus and concentration are better when I snack all day with fruit and energy bars, and lots of water. While taking my turn in the pits, I try to relax and only focus on what is ahead of me and [not] what’s already happened.
Q: What is your favorite reloading product?
My favorite reloading product is the Sinclair Premium Neck Turning Tool with Handle, I also use the expander mandrels provided by Sinclair for sizing the brass in preparation for the turning process. Correct and repeatable neck tension begins with turning necks to a uniform thickness. Sinclair also has mandrels to size the necks after neck turning that accurately size the necks for a specific neck tension.
Q: What is your preferred scope?
The scope I find the most useful is the Nightforce Competition Scope. This scope is very light-weight, has 15-55X magnification, world-class quality glass, 10 MOA per revolution on the turrets, 1/8 moa adjustments. It’s perfect for F-Class competition.
Q: What advice do you have for someone wanting to get into the sport?
Find a local club with some F-TR shooters and ask for their help. Most shooters will be happy to take you with them to a match, listen and learn while you’re there. You may find out it’s not what you thought, or you may be hooked. If you decide to jump in, start with an inexpensive rifle. This sport is expensive and you don’t need a $5000 rifle to learn good wind-reading skills. Start with a used Savage F-TR rifle and learn the basics, shoot for a year at least before making a larger investment. The money you saved buying a used Savage rifle will help pay for your divorce lawyer, LOL.
Q: What training drills do you use?
Dry-firing the rifle at home is a good way to practice when you can’t get to the range and shoot. It allows me to practice set-up, rifle handling, and position. When I can practice at a local range, I also dry-fire between shots to increase the amount of repetitions and increase the time spent in position.
Q: Who has been your biggest influence in shooting?
Eric Bair, 2006 F-Open National Champion helped me get started and gave me great advice. Most of the shooters on Team USA and Team Sinclair help each other, nobody knows all the answers but we share what we have learned. Danny Biggs, 2008 and 2009 F-TR National Champion also helped me when I was struggling to learn some of the ranges. I learned a lot from Danny.
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Intro: Ron Dague wanted a new gun that was similar to his trusty .223 Rem rifle, but which fired 6mm bullets. There is a superb choice of bullets in this caliber, and Ron found that the 95gr Berger VLD could be driven to a healthy 2,604 fps by the small .223 Rem case. This 6mm wildcat based on the common .223 Rem offers excellent accuracy and very low recoil — something very important in the cross-the-course discipline. In addition, Ron’s 95gr load with Reloder 15 delivered an ES of just 4 fps over ten shots. That exceptionally low ES helps achieve minimal vertical dispersion at 600 yards.
I already had a .223 Remington match rifle, and I wanted the 6mm-223 to be as close to the same as I could make it. I installed the barreled action in a wood 40X stock to work up load data and work out any magazine feeding issues. While I was working on that, I looked for a McMillan Baker Special stock and finally found one to finish this project. I bedded the action and stock, then took the rifle to the range to check zeros on the sights and scope. I was surprised that I didn’t have to change anything on the sights. I thought changing the stock would cause sight changes. The thought went through my head, “Maybe the 40X stock isn’t all that bad”.
Here’s line-up of 6mm bullets. The Berger 95gr VLD is in the middle.
I took the new rifle to the first match of the year, a National Match Course match, and my off-hand score was 83, rapid sitting 95, rapid prone 95, and slow fire prone 197 — for total aggregate 470. This may not be my best work, but on match day the wind was blowing about 15 mph and the temp was around 40° F, with rain threatening. This was a reduced course of fire — we shot at 200 and 300 yards on reduced targets.
I used 70gr Berger bullets for this match, loaded in Remington brass with 25 grains of VihtaVuori N540 and Federal 205M primers. When I worked up loads for this rifle, N540 gave the best accuracy with the best extreme spread — 2,950 fps with an extreme spread of 20 fps on a 10-shot string. The load for 600 yards was with a 95gr Berger VLD bullet, with 23.0 grains of Reloder 15, Lapua cases, and the same Federal 205M primers. This load is 2,604 fps, with an extreme spread of 4 fps over a 10-shot string. I’ve shot this load at several 3×600 yard matches, and the accuracy has proven to be very good. At the last 3×600 match, my scores were as follows: 199-10x and 198-11X with scope, and 193-10X with iron sights. Best 600-yard score so far with iron sights was 198-12X.
6mm-223 Rem Rifle Specifications: 700 BDL action and floor plate, Bartlein 6mm 1:8″ twist, McMillan Baker Special stock in Desert Camo, Centra front and rear sights, Ken Farrell bases with stripper clip guide, Sinclair hand stop, and Jewell trigger. Gunsmith Neil Keller helped me with the metal work and instructed me on the action work and rebarreling.
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This article is part of Sinclair Int’l Step-By-Step Reloading Series. Most of the products mentioned in this article are sold through Sinclair’s webstore.
by Roy Hill, Brownells/Sinclair Copywriter
Making your own precision handloads is a meticulous journey with many steps, many important matters to consider, and many sets of measurements to calculate. For those who pursue the perfect group, the highest score, the really long accurate shot, the rewards more than outweigh the effort. Choosing the right cases, deburring the flash holes, making the primer pockets uniform, trimming the cases, and lubricating them are all familiar – and critical – steps along the journey. And now that your brass preparation is complete, you are at last ready to start running the cases through your press and fill them with primers, powder, and bullets. The very first die the brass encounters is the sizing die. You insert the case, work the press’s lever to return the case to its correct pre-fired dimensions – and the journey continues.
All right boys and girls — if you haven’t already spent every last red cent of your disposable income (not to mention your children’s inheritance) purchasing useless gadgets and gewgaws on Black Friday, here’s your chance to get some really important stuff — reloading tools and supplies.
Sinclair Sale Through 12/1/2014
Yes, Sinclair International, purveyors of reloading supplies and shooting accessories, is having a big sale right now. You can save big bucks on shooting rests, tools, bullets, and more. Plus, you can get 10% OFF all orders over $150.00 with PROMO CODE J2Y. Don’t delay — this 10% Savings Offer expires Monday, December 1, 2014 at 11:59 pm CT. So, you have a couple days left to pile on the savings.
Here’s a sample of the good deals to be had this weekend at SinclairIntl.com:
Sale Tip from EdLongrange. We welcome reader submissions.
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Lapua brass is so good that you’ll be tempted to just load and shoot, if you have a “no-turn” chamber. However, some minimal case prep will ensure more uniform neck tension. Keeping your neck tension very uniform allows more consistent bullet seating. That, in turn, usually yields better accuracy, and lower Extreme Spread and Standard Deviation (ES/SD). Lapua brass, particularly 6BR, 6.5×47, .243 Win and .308 Win comes from the factory with tighter-than-optimal necks. Before you seat bullets, at a minimum, you should inside chamfer the case mouths, after running an expander mandrel down the necks. The expander mandrels from both Sinclair Int’l and K&M will both leave the necks with enough neck tension (more than .001″) so you can then seat bullets without another operation. Put a bit of lube on the mandrel before running it down the necks — but remove any lube that gets inside the necks before seating bullets.
Both Sinclair and K&M Tools make a die body specifically to hold expander mandrels. The Sinclair version, is shown above. This $24.99 unit fits caliber-specific expander mandrels ($9.95) which measure approximately .001″ less than bullet diameter for each caliber. This is an updated “Gen II” design that completely captures the mandrel within the die so the mandrel cannot pull out. It also has an O-ring in the die cap that allows the mandrel to self-center within the case neck. Sinclair now offers three sizes of die bodies for expander mandrels: .17 -.310 Caliber (#849-011-715WS); .357 – .50 caliber (#749-008-843WS), and a special .50 Cal die body for large-diameter 50 BMG presses (#749-009-163WS, $49.99). All Generation II dies are machined from stainless steel and the standard diameter 7/8-14 dies include the Sinclair Stainless Steel Split Lock Ring.
Once you run the Sinclair expander mandrel down the necks of Lapua brass, after you account for brass spring-back, you’ll have about .002″ neck tension. This will make the process of seating bullets go much more smoothly, and you will also iron out any dents in the case mouths. Once the case mouths are all expanded, and uniformly round, then do your inside neck chamfering/deburring. The same expander mandrels can be used to “neck-up” smaller diameter brass, or prepare brass for neck-turning.
Forum member Mike Crawford adds: “These expanders can also reduce runout from offset seating. Prior to bullet seating, expand the sized necks to force thickness variance outward. With the Sinclair system, the necks will springback fine, and will not be pulled out of center. This leaves plenty of tension, and bullets seated more centered. I do this, even with turned necks, to get improved seating.”
Mandrels vs. Expander Balls on Decapping Rods
If you haven’t acquired an appropriate expander mandrel for your brass, but you DO have a full-length sizing die with an expander ball, this will also function to “iron out” the necks and reduce tension. However, using a die with an expander ball will work the necks more — since you first size them down, then the ball expands them up again. Typically (but not always), run-out is worse when using an expander ball vs. an expander mandrel.
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Sinclair International offers a handy tool assembly that lets you sort bullets by base to ogive length. Yes you can do this with a comparator tool attached to calipers, but the Sinclair tool really speed up the process when you’re sorting large quantities of bullets.
Wolfe Publishing offers a companion DVD, 
$49.95 Carbide Mandrels from PMA Tool
Derek Rodgers is a member of the Team Sinclair F-TR squad. This talented group of shooters hasn’t lost a team match in years. What’s the secret of Team Sinclair’s success? Well there is not one single factor. These guys have very accurate rifles, work hard on load development, and practice in all conditions. In this interview, Derek Rodgers talks about long range competition, reviewing the hardware (and skill set) it takes to win. He offers some great tips on developing loads. You’ll find a longer version of this interview on the 
By Ron Dague, Sinclair Reloading Tech
