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June 3rd, 2017

The Wind Hack — Quick Way to Calculate Crosswind Deflection

Applied Ballistics Crosswind Estimation Wind hack G7 BC

Applied Ballistics Wind Hack

Any long range shooter knows that wind is our ultimate nemesis. The best ways of overcoming wind are to measure what we can and use computers to calculate deflection. The Applied Ballistics Kestrel is a great tool for this. As good as our tools may be, we don’t always have them at our fingertips, or they break, batteries go dead, and so on. In these cases, it’s nice to have a simple way of estimating wind based on known variables. There are numerous wind formulas of various complexity.

Applied Ballistics Crosswind Estimation Wind hack G7 BC

The Applied Ballistics (AB) Wind Hack is about the simplest way to get a rough wind solution. Here it is: You simply add 2 to the first digit of your G7 BC, and divide your drop by this number to get the 10 mph crosswind deflection. For example, suppose you’re shooting a .308 caliber 175-grain bullet with a G7 BC of 0.260 at 1000 yards, and your drop is 37 MOA. For a G7 BC of 0.260, your “wind number” is 2+2=4. So your 10 mph wind deflection is your drop (37 MOA) divided by your “wind number” (4) = 9.25 MOA. This is really close to the actual 9.37 MOA calculated by the ballistic software.

WIND HACK Formula

10 mph Cross Wind Deflection = Drop (in MOA) divided by (G7 BC 1st Digit + 2)

Give the AB wind hack a try to see how it works with your ballistics!

Some Caveats: Your drop number has to be from a 100-yard zero. This wind hack is most accurate for supersonic flight. Within supersonic range, accuracy is typically better than +/-6″. You can easily scale the 10 mph crosswind deflection by the actual wind speed. Wind direction has to be scaled by the cosine of the angle.

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June 3rd, 2017

Interview with F-Class Ace Dan Pohlabel

Team Sinclair F-TR interview F-Class Reloading Load Development Training dry-fire
Team Sinclair F-Class

In response to many requests from Forum members who shoot F-Class, we are republishing this informative interview, which first appeared last summer. You’ll find many “solid good” tips that can help any long-range rifle competitor.

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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June 3rd, 2017

Walther Offers $100 Cash Back on Pistol Purchases

Walther pistol handgun $100 mail-in rebate

If you’ve been interested in getting a compact Walther handgun, now’s the time to buy. Walther Arms just announced $100 Cash Back Rebate for PPQ and PPS series pistols. Saving one hundred bucks is a powerful incentive — this is one of the best rebates in the gun industry. The $100 rebate drops the price of a PPS M2 to just $329.99 at Cabelas. That’s a great value compared to a similar HK or Glock. The rebate is delivered as a $100 Pre-Paid Visa Card — give that to the spouse for a shopping spree and keep everyone happy.

Eligible Walther handguns include the PPQ M1, PPQ M2, PPQ Navy, PPQ 45, PPS M2, PPS M2 LE, PPS M2 Laser Set, or color variations that are purchased NEW at retail in the U.S. between June 1st, 2017 and September 15th, 2017. Promotion excludes the Walther Q5 Match, .22 rimfires, and any other models not listed. Please allow 8-12 weeks for fulfillment of rebate requests.

Walther Eligible Product List | Walther $100 Mail-In Rebate Form

“Walther is excited to announce such an aggressive rebate program. Customers love our grip and trigger, and will enjoy the limited time promotional price.” says Cyndi Flannigan, Walther VP of Sales.

Featured Guns of the Week at Cabelas.com
This week, Cabela’s is offering special sale pricing on the Walther PPS M2 and Walther PPQ M2 pistols. Get $50 off regular retail price. Combine that with the $100 manufacturer rebate, and you can get the PPS M2 for just $329.99. We like that PPS M2 pistol. It is the carry choice of our System Administrator. READ PPS M2 Review.

Walther pistol handgun $100 mail-in rebate

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