The National Rifle Association (NRA) declared victory in San Francisco last week, after Mayor London Breed formally disavowed key provisions of a municipal resolution that signaled the blacklisting of contractors linked to the Second Amendment advocacy group.
On September 3, 2019, the San Francisco Board of Supervisors, which runs the City and County of San Francisco, unanimously approved a resolution that called for the City to investigate ties between its contractors/vendors and the NRA. The SF Board’s resolution declared the NRA was a “domestic terrorist organization.” Not surprisingly, the NRA sued.
On September 9, 2019, less than a week after the resolution was enacted, the NRA challenged it as government action attacking its First Amendment rights. In its filing, the NRA called the resolution a “blacklisting” measure, and urged San Francisco’s Federal court to “step in and instruct elected officials that freedom of speech means you cannot silence or punish those with whom you disagree.”
Late last week, rather than await “instruction” from a court, San Francisco Mayor London Breed backed down. In a formal memorandum to City officials, she declared that “no [municipal] department will take steps to restrict any contractor from doing business with the NRA or to restrict City contracting opportunities for any business that has any relationship with the NRA.”
San Francisco Mayor Breed is the “Mayor for All San Franciscans”, unless, of course, you are a Republican, or a firearms owner, or an NRA contractor, or a supporter of the Second Amendment.
“The [Mayor’s] memo serves as a clear concession and a well-deserved win for the First and Second Amendments of the United States Constitution,” says William A. Brewer III, counsel for the NRA. “It is unfortunate that in today’s polarized times, some elected officials would rather silence opposing arguments than engage in good-faith debate.” “The NRA will always fight to protect our members and the constitutional freedoms in which they believe”, added NRA CEO Wayne LaPierre.
The NRA’s challenge to a similar ordinance in Los Angeles remains pending. Last month, the city’s motion to dismiss was denied in its entirety by Dederal District Judge Stephen V. Wilson, who found that the NRA had stated a clear First Amendment claim.
About the NRA
Established in 1871, the National Rifle Association is America’s oldest civil rights and sportsmen’s group. With over five million members, NRA fights to uphold the Second Amendment and advocates enforcement of existing laws against criminals. The NRA remains the nation’s leader in firearm education and training for law-abiding gun owners, law enforcement, and the armed services.
Yesterday at the 2019 GAP Grind PRS match in Tennesee, Savage Arms unveiled three new Precision Series rifles — one centerfire rig, and two rimfire rifles. Aimed at PRS/NRL factory class shooters, these new rifles feature tweaked Savage actions in Modular Driven Technologies (MDT) chassis systems. The new Precision Series includes one centerfire rifle, the model 110 Elite Precision, and two rimfire rifles: the B Series bolt action, and the A22 Series semi-auto. All three new models utilize MDT chassis systems.
New Savage 110 Elite Precision
The new 110 Elite Precision is designed for PRS and NRL tactical-style competitions. Optimized for PRS/NRL Factory Class, this rifle boasts a blue-printed, black flash-nitrided 110 target action with gold-tone, titanium-nitrided bolt body. The fully-adjustable MDT ACC aluminum chassis features an ARCA Rail along its entire fore-arm, MDT Vertical Grip, and AICS mag compatibility. The Accu-Trigger adjusts from 1.5 to 4 pounds. Up front, Savage supplies a self-timing, taper-aligned muzzle brake. The 110 Elite Precision will be offered in eight (8) chamberings at two prices: .223 Rem., .308 Win., 6.5 and 6mm Creedmoor for $1,999; and .300 Win. Magnum, .300 Norma, .300 PRC, and .338 Lapua Magnum at $2,149.
Savage Elite 110 Precision Rifle Features:
Savage factory blue-printed 110 action
Stainless steel, flash-nitrided receiver
1.5-4 lb. user-adjustable AccuTrigger
Titanium Nitride bolt body
MDT ACC aluminum chassis, fully adjustable
Self-timing, taper-aligned muzzlebrake
MDT Vertical Grip and AICS magazine
ARCA Rail along entire fore-arm
Savage A22 Precision
The A22 Precision rimfire rifle employs Savage’s popular A22 delayed blow-back semi-auto action. Optimized for the NRL22 rimfire series and rimfire cross-training, this little self-loader features a custom MDT chassis similar to the B Series, adjustable length-of-pull from 13.5 to 14.5 inches, and an oversized charging handle. The A22 Precision weights 7.28 pounds. The company describes it as “the showcase to Savage’s love affair with the .22 LR.” The A22 is available in .22 LR for $599.
Savage B Series Precision
The new B Series bolt-action Precision rimfire rifle features an MDT aluminum chassis that adjusts for length-of-pull and comb height. The rifle ships with an 18-inch heavy barrel threaded at the muzzle, with a Picatinny rail on the action. This modestly-priced bolt-action rimfire also has a crisp Accutrigger. The B Series Precision comes in three rimfire chamberings, all for $599: .22 LR, .17 HMR and .22 WMR.
Every year at SHOT Show in January, bullet-makers showcase their latest and greatest projectiles for hunters and paper-punchers. we plan to get the “inside scoop” on new bullet designs from Berger, Hornady, Lapua, Nosler and Sierra.
A while back, at SHOT Show 2012 we chatted with Berger Ballistician Bryan Litz about Berger’s popular line of Hybrid bullets. Berger now offers a wide range of Hybrids in multiple calibers and weights. In fact, for .30-Caliber shooters, Berger now offers many seven (7) Hybrid match bullets, with weights from 155 grains up to 230 grains. Two .338-caliber OTM Tactical Hybrids were introduced in 2012 (a 250-grainer and a 300-grainer).
Bryan tells us: “The hybrid design is Berger’s solution to the age old problem of precision vs. ease of use. This design is making life easier for handloaders as well as providing opportunities for commercial ammo loaders who need to offer a high performance round that also shoots precisely in many rifles with various chamber/throat configurations.”
For those not familiar with Hybrid bullets, the Hybrid design blends two common bullet nose shapes on the front section of the bullet (from the tip to the start of the bearing surface). Most of the curved section of the bullet has a Secant (VLD-style) ogive for low drag. This then blends in a Tangent-style ogive curve further back, where the bullet first contacts the rifling. The Tangent section makes seating depth less critical to accuracy, so the Hybrid bullet can shoot well through a range of seating depths, even though it has a very high Ballistic Coefficient (BC).
In the video we asked Bryan for recommended seating depths for 7mm and .30-Caliber Hybrid bullets. Bryan advises that, as a starting point, Hybrid bullets be seated .015″ (fifteen thousandths) off the lands in most barrels. Watch the video for more tips how to optimize your loads with Hybrid bullets.
Doug Koenig’s Championship Season returns to Pursuit Channel celebrating its 9th season. The latest show features long range precision rifle competition. Doug travels to the 2019 Masterpiece Arms (MPA) Spring Shootout in Georgia, campaigning his 6mm Creedmoor bolt-action Ruger Precision Rifle. Doug has been a top competitor in Production Division (factory class), having posted multiple first-place Factory Class finishes in recent months.
Each week, Doug Koenig’s Championship Season airs on the Pursuit Channel three times: Wednesday at 5:30 pm (EST), Friday at 9:00 pm (Eastern Primetime), and Saturday at 1:00 am (EST). View past seasons and previously-aired episodes at PursuitTV.com. You can also see previews and get competition news on Doug Koenig’s Facebook Page.
Koenig said, “I’m relatively new to long range precision rifle competitions, but it’s the combination of shooting from fixed or uneven barricades, to the variety of shooting positions and distances that has captured my excitement for this sport.”
Koenig secured a Production Division win at the 2019 MPA Spring Shootout held at the Arena Training Facility in Blakely, GA with a final score of 173.00 and a time of 58.89. “The MPA match had some long shots out to 800-1356 yards, but my factory rifle got the job done and helped me win my third production class title in a row. That proves you don’t need to spend a fortune to get started in PRS competition.”
Precision Rifle matches offer a variety of challenges not found in benchrest or High Power matches. Over the course of multiple stages, competitors must shoot a wide variety of positions, standing, prone, and from barricade, while the clock is ticking. Some PRS/NRL matches even have moving targets. These matches test shooting fundamentals, while demanding good wind reading skills, and the ability to shoot at multiple distances in a stage. That demands good “dope” and the ability to hold-over and hold-off.
Koening Goes Hunting for Argentine Stag
Doug Koenig is also an avid hunter. In this Championship Season episode from 2016, Doug takes viewers into the field on an Argentine Stage Hunt. There is also some shotgun shooting footage:
How is a modern, metal-chassis rifle built? This very cool video from Masterpiece Arms answers that question. The nicely-edited video shows the creation of a Masterpiece Arms tactical rifle from start to finish. All aspects of the manufacturing process are illustrated: 3D CAD modeling, CNC milling of the chassis, barrel threading/contouring, chamber-reaming, barrel lapping, laser engraving, and stock coating. If you love to see machines at work, you will enjoy this video…
Kevin Muramatsu’s black rifle book, the Gun Digest Guide to Customizing Your AR-15, is a great resource for fans of AR-platform rifles. All the AR options you can imagine are covered: suppressors, premium barrels, adjustable stocks, free-float handguards, ergonomic grips, buffer systems, tactical lights and much more. Those planning an AR rifle build will find application-specific suggestions for 3-Gun, Service Rifle, High Power (Space Gun), Hunting, and Self-Defense use.
Firearms expert Muramatsu offers advice on choosing the right stock/barrel/optics configuration for your particular game. He also discusses the wide variety of options for slings, grips, magazines and other accessories. With over 520 photos, the book includes a large photo gallery of customized ARs, and includes bonus coverage of the FAL and other “tactical” firearms. The Gun Digest Guide to Customizing Your AR-15 is available from Amazon.com for $20.13, and a Kindle eBook version is offered for $14.99. The book is also sold by Barnes & Noble, and most other major booksellers.
In today’s economy, Free is good. Here’s a list of classic, older shooting books that can be downloaded for FREE from Google Books. This list includes many classic treatises on marksmanship that still have value for today’s competitive shooters. In addition, we’ve included illustrated firearm histories, such as Townsend Whelen’s fascinating book, The American Rifle, and The Gun and its Development (9th Ed.), by William Wellington Greener.
In the list below, the title link will take you to the Google Books page for each book. You can read the entire book online, or you can download it to your computer as a PDF file* and save it (or print it). You can also create your own Google Library and save the books there for access from any computer.
*To download a book, first click the title from the list above. Then, once you’re at the Google book site, look for the icon that looks like a gear in the upper right-hand corner. Click that and a pull-down menu will appear. Select “Download PDF” from the menu — this will bring up a security question to make sure you are a human. Respond to the security question correctly and your normal download prompt will appear. Choose a location to hold your new e-book, and click “save”.
Review by F-Class John
Do you know what the inside of your barrel looks like? Borescoping is a great way to diagnose a barrel problem or evaluate your cleaning regimen. Conventional optical borescopes work great but are expensive. Low-cost digitial borescopes have been on the market for a while, but many have have lacked the resolution necessary to get the job done properly. Enter the Teslong rifle borescope. We set out to see whether this new electro-optical borescope, priced at just $49.99, could do the job of conventional optical borescopes that might cost twenty times as much. We concluded that this little device is pretty amazing…
Here is an actual video captured with the Teslong borescope owned by Forum member DMoran. This is the inside of a Howa factory .223 Rem Barrel:
Setting Up and Using the Teslong Borescope
The Teslong borescope comes in a handy, zippered case* with a mesh pouch on one side and an elastic strap on the other to help secure the cords. The unit employs two different cables. One is a flexible USB A/V cable which also thoughtfully comes with a USB/USB-C converter as well. The other piece is the mirrored borescope which is attached to a flexible but fairly rigid cable. The first thing I noticed is the generous length of the combined cable. Since the unit needs to be connected to a computer or other compatible device, the long cable allows you easily scope the entire length of your barrel while you keep your computer at a distance. I appreciated the way this works because it allowed me to continue cleaning my gun and checking the barrel without worrying about getting any cleaning supplies on my computer.
NOTE: The Teslong borescope we purchased from Amazon in September came with the storage case shown. We’d been informed that some recent shipments have omitted the case.
Plug and Play — With Impressive Resolution and Image Quality
Once the unit is plugged into the computer all I had to do was open my photo program and the Teslong activated and displayed the bore image. For Windows at least, there are no Apps to install or anything else to do other than plug it in. Once it’s plugged in you simply slide the unit into your bore and start looking. The angled mirror along with the integrated light allows for easy viewing of the lands and grooves with little to no need for focal adjustment. I ran the scope down some newer barrels as well as one of my oldest, burned-out barrels and I was shocked at the detail and resolution I saw. Rust, copper, carbon and fire-cracking really popped out. If I was assessing barrel cleaning effectiveness, I could easily see how levels of fouling are being removed. I will use my Teslong to capture photos of my next barrel in brand new condition. Then I can reference those “Day 1″ images each time I clean that barrel.
As an owner of a Hawkeye and another digital borescope, both of which are fairly expensive, I have to admit I was skeptical of a borescope that costs a mere fifty bucks. But frankly, I was amazed at the image quality. Look for yourself. These are actual Teslong photos I took while inspecting one of my barrels.
NOTE: This is a fire-forming barrel that was not cleaned for 500 consecutive rounds.
Read Reviews from Teslong Borescope Buyers
Want to know what other Teslong owners think? You can read over five pages of Teslong Rifle Borescope comments and reviews by our Forum members in AccurateShooter’s Teslong Forum Thread.
Here are actual statements by Forum Members and Amazon purchasers
“Received mine last week, incredible quality for the price.” — PhilC
“There’s a couple of threads discussing these borescopes. It actually has the 45 degree mirror so that you can see the everything much better than with a standard endoscope.” — Mark W
“Most firearm borescopes are expensive… The Teslong Rifle Borescope is currently the best affordable borescope you can buy. With the Teslong Rifle Borescope I’m able to see the fire cracking in my rifle’s bore. I definitely recommend purchasing.” — Amazon Purchaser
“The price is right and the quality is first-rate. Plugs into USB-A or Micro USB port on PC, Mac, or Android (it doesn’t work with iPhones). Takes pics or HD video, stored using either native camera software or their Teslong Camera program. It has a very close focus necessary for a borescope. Other commercial ‘endoscopes’ may be the same diameter, but they have a 2- to 5-cm focal distance, making it difficult to use in a barrel and useless for 90 degree viewing except in, say, a 105mm howitzer. Probe diameter is 0.20 in/5.0 mm diameter and is ideal for use on .223/5.56. The removable 45° mirror allows viewing chamber walls and barrel lands/grooves up close and personal.” — Jim Schmidt
“I have tried it out on my 6.5mm and .223 rifles and it performed way beyond my expectations once you know how to focus it. Also, I have a Samsung Android and neither the USB plug nor the additional adapter would fit my phone (I thought). Teslong customer service reps told me that the plug for my phone is actually a part of the standard plug that comes with the unit. Heck, all I had to do was flip the male end of the plug down! Also, there is a light intensity adjustment on the little box-looking thing that is a part of the cable. It’s really small and easily overlooked.” — Barrbqn (Amazon)
F-Class Nationals Competitors Try the Teslong — And Then Place Orders
I gave the Teslong a pretty thorough testing on my bench at home, but I was also able to test it while attending the 2019 F-Class Nationals. It hooks up easily to a laptop (either Windows or Mac). It will also work with an Android tablet or smartphone (but not yet with an iPad or iPhone). I set the Teslong up for some fellow competitors to test. Each time someone stuck it in their barrel there was a collective gasp when they saw how clear and detailed the picture was. It wasn’t long before everyone in our housing unit wanted to try it.
Interestingly, one of the fellows in our housing pulled out the exact same unit. It turned out he loved it just as much as we all did. What really told me it was a keeper is when several of the people who also own Hawkeyes or other borescopes ordered a Teslong as soon as they were done playing with it. On a side note, we also ended up using it to look inside a seating die, inside a disassembled bolt, and under a refrigerator. I’m sure there are countless other uses for the Teslong.
CONCLUSION — Impressive Product — You Won’t Be Disappointed
The bottom line is that there isn’t anything on the market that can compete with this little gem anywhere near its $50 price point. I would say that if you’ve put off buying a borescope because of price or quality concerns this is the unit to buy — you won’t be disappointed. In the video below I show how to use the Teslong in your rifle. The Teslong Borescope is available right now for $49.99 on Amazon.
Software Functionality (Apps and/or Operating System)
Windows 7/8/10 or later (Desktop or Laptop Computer)
1. Use Windows Camera, the built-in Camera software of Windows10, only for Win10.
2. Use Teslong camera software or AmCap software
Android 4.4+ (Tablet or Smartphone)
Use Teslong Camera App, CameraFi, or USB Camera App
Mac OSX 10.6+ (Desktop or Laptop Computer)
Use Photo Booth or QuickTime Player
Notice: This Teslong model does NOT support iPhone and iPad! Teslong says: “WiFi version of the rifle borescope supporting iPhone and iPad is under development, and coming soon.”
Teslong vs. Conventional Optical Borescope (Such as Hawkeye)
The Teslong is not perfect. It does have some shortcomings when compared to a conventional optical borescope such as the Hawkeye. A borescope with a long, rigid metal shaft is easy to rotate within the bore. Therefore you can quickly inspect all 360 degrees inside the barrel. By contrast, the Teslong has a flexible cable that you have to twist to rotate the lens. That works, but it’s not as easy. Additionally, in a large-diameter bore, the 5mm-wide Teslong tends to flop to the low side. Again, with a Hawkeye, it is easy to maintain a constant distance to the bore wall.
Forum member Ned Ludd explains these considerations in a Forum post: “The [Teslong] is designed to fit into a .22 Cal bore. As such, there is quite a bit of play (lateral movement) of the camera head in a .30 Cal bore as you twist the cable to swivel it around 360 degrees. This is largely caused by the angle of the cable as you spin it, which is not perfectly concentric to the bore. This is not an issue of concern in a much more expensive borescope with a purpose-built swivel mechanism.”
That said, we still think the Teslong is a great device, well worth the money ($50 vs. $850+ or so for a Hawkeye). The cable rotation isn’t that big a deal, with a little practice. Overall, for regular visual inspections of your barrels, with easy photo/video capture, the Teslong is hard to beat for the price.
*The Teslong borescope we ordered from Amazon and tested came in the black, zippered case shown in the top-most photo. We have been informed that some Teslong units have recently shipped with NO case. We do not know if cases will be provided in the future.
Here’a useful article by Sierra Bullets Media Relations Manager Carroll Pilant. This story, which originally appeared in the Sierra Blog, covers some of the more common ammo problems that afflict hand-loaders. Some of those issues are: excessive OAL, high primers, and improperly sized cases. Here Mr. Pilant explains how to avoid these common problems that lead to “headaches at the range.
I had some gentlemen at my house last fall getting rifle zeros for an upcoming elk hunt. One was using one of the .300 short mags and every 3rd or 4th round would not chamber. Examination of the case showed a bulge right at the body/shoulder junction. These were new cases he had loaded for this trip. The seating die had been screwed down until it just touched the shoulder and then backed up just slightly. Some of the cases were apparently slightly longer from the base to the datum line and the shoulder was hitting inside the seating die and putting the bulge on the shoulder. I got to thinking about all the gun malfunctions that I see each week at matches and the biggest percentage stem from improper handloading techniques.
One: Check Your Cases with a Chamber Gage
Since I shoot a lot of 3-gun matches, I see a lot of AR problems which result in the shooter banging the butt stock on the ground or nearest solid object while pulling on the charging handle at the same time. I like my rifles too well to treat them that way (I cringe every time I see someone doing that). When I ask them if they ran the ammo through a chamber gage, I usually get the answer, “No, but I need to get one” or “I didn’t have time to do it” or other excuses. The few minutes it takes to check your ammo can mean the difference between a nightmare and a smooth running firearm.
A Chamber Gauge Quickly Reveals Long or Short Cases
Size Your Cases Properly
Another problem is caused sizing the case itself. If you will lube the inside of the neck, the expander ball will come out a lot easier. If you hear a squeak as the expander ball comes out of a case neck, that expander ball is trying to pull the case neck/shoulder up (sometimes several thousandths). That is enough that if you don’t put a bulge on the shoulder when seating the bullet … it can still jam into the chamber like a big cork. If the rifle is set up correctly, the gun will not go into battery and won’t fire but the round is jammed into the chamber where it won’t extract and they are back to banging it on the ground again (with a loaded round stuck in the chamber). A chamber gage would have caught this also.
Oversizing cases also causes problems because the firing pin doesn’t have the length to reach the primer solid enough to ignite it 100% of the time. When you have one that is oversized, you usually have a bunch, since you usually do several cases at a time on that die setting. If the die isn’t readjusted, the problem will continue on the next batch of cases also. They will either not fire at all or you will have a lot of misfires. In a bolt action, a lot of time the extractor will hold the case against the face of the breech enough that it will fire. The case gets driven forward and the thinner part of the brass expands, holding to the chamber wall and the thicker part of the case doesn’t expand as much and stretches back to the bolt face. If it doesn’t separate that time, it will the next time. When it does separate, it leaves the front portion of the case in the chamber and pulls the case head off. Then when it tries to chamber the next round, you have a nasty jam. Quite often range brass is the culprit of this because you never know how many times it has been fired/sized and in what firearm.’Back to beating it on the ground again till you figure out that you have to get the forward part of the case out.
Just a quick tip — To extract the partial case, an oversized brush on a cleaning rod [inserted] and then pulled backward will often remove the case. The bristles when pushed forward and then pulled back act like barbs inside the case. If you have a bunch of oversized case that have been fired, I would dispose of them to keep from having future problems. There are a few tricks you can use to salvage them if they haven’t been fired though. Once again, a case gage would have helped.
Two: Double Check Your Primers
Another thing I see fairly often is a high primer, backwards primer, or no primer at all. The high primers are bad because you can have either a slam fire or a misfire from the firing pin seating the primer but using up its energy doing so. So, as a precaution to make sure my rifle ammo will work 100% of the time, I check it in a case gage, then put it in an ammo box with the primer up and when the box is full, I run my finger across all the primers to make sure they are all seated to the correct depth and you can visually check to make sure none are in backwards or missing.
Three: Check Your Overall Cartridge Length
Trying to load the ammo as long as possible can cause problems also. Be sure to leave yourself enough clearance between the tip of the bullet and the front of the magazine where the rounds will feed up 100%. Several times over the years, I have heard of hunters getting their rifle ready for a hunt. When they would go to the range to sight in, they loaded each round single shot without putting any ammo in the magazine. On getting to elk or deer camp, they find out the ammo is to long to fit in the magazine. At least they have a single shot, it could be worse. I have had hunters that their buddies loaded the ammo for them and then met them in hunting camp only to find out the ammo wouldn’t chamber from either the bullet seated to long or the case sized improperly, then they just have a club.
Four: Confirm All Cases Contain Powder
No powder in the case doesn’t seem to happen as much in rifle cartridges as in handgun cartridges. This is probably due to more handgun ammo being loaded on progressive presses and usually in larger quantities. There are probably more rifle cartridges that don’t have powder in them than you realize though. Since the pistol case is so much smaller internal capacity, when you try to fire it without powder, it usually dislodges the bullet just enough to stick in the barrel. On a rifle, you have more internal capacity and usually a better grip on the bullet, since it is smaller diameter and longer bearing surface. Like on a .223, often a case without powder won’t dislodge the bullet out of the case and just gets ejected from the rifle, thinking it was a bad primer or some little quirk.
For rifle cases loaded on a single stage press, I put them in a reloading block and always dump my powder in a certain order. Then I do a visual inspection and any case that the powder doesn’t look the same level as the rest, I pull it and the one I charged before and the one I charged after it. I inspect the one case to see if there is anything visual inside. Then I recharge all 3 cases. That way if a case had powder hang up and dump in the next case, you have corrected the problem.
On progressive presses, I try to use a powder that fills the case up to about the base of the bullet. That way you can usually see the powder as the shell rotates and if you might have dumped a partial or double charge, you will notice as you start to seat the bullet if not before. On a progressive, if I don’t load a cartridge in one smooth stroke (say a bullet tipped over sideways and I raised the ram slightly to reset it) Some presses actually back the charge back adding more powder if it has already dumped some so you have a full charge plus a partial charge. When I don’t complete the procedure with one stroke, I pull the case that just had powder dumped into it and check the powder charge or just dump the powder back into the measure and run the case thru later.
Lapua offers a sophisticated FREE Ballistics App for iOS and Android smartphones and mobile devices. This state-of-the-art App has many great features — much more than you’d expect for a free App. If you do much shooting past 300 yards, or use a wide variety of bullets and/or cartridge types, we recommend you download the App and give it a try. This article, written by a Lapua technician, explains how to use the App. This article is definitely worth reading — there are many important concepts and procedures discussed here that apply to all Ballistics calculators, not just the Lapua App. For more details, read the Lapua Ballistics App User Manual.
Watch Video for Explanation of Lapua Ballistics App Features
Lapua Ballistics App Basics — How to Get Started
Article by Matti Paananen
As smartphones and tablets are constantly developed, ballistic software and Apps are also improving, and with their help our ability to hit targets can improve significantly. This is a short introduction on why and how to use a ballistic calculator, namely the Lapua Ballistics App, and a few pointers that will help you use the App effectively.
Ballistics software and Apps are designed to help shooters and hunters make calculations to hit distant targets or take down game in the field by offering ballistic solutions. Lapua Ballistics is the first App utilizing the 6DOF calculation model.
Toying around with ballistics apps is always fun, but effective use of ballistic software requires general understanding of how they work. The App gets information from the user and by using mathematical formulas it provides the solution that will give the user a solid starting point to hit the target.
However, it is also important to remember that the App can’t think — it only calculates a solution based on your parameters. You will not know the error until you have already fired the shot.
1. SET UP YOUR SCOPE RETICLE AND RIFLE
Scope manufactures use different units per click, so it’s important that you use the correct unit in the App. For example, in your scope, one click can be 0.1 mil, 1/4 MOA, [or 1/8 MOA depending on the model]. You can find this information in your scope manual and also usually from the scope turrets. Setting your scope reticle is very important, partly because if you use the wrong unit in the App, the ballistic solution will not match your scope. To set up your scope reticle in Lapua Ballistics, go to Manage Rifle / Cartridge Data –> Add Rifle Cartridge Data (or choose to edit a Rifle/Cartridge combo you’ve already set up) –> Reticle –>.
Another thing to setup in Lapua Ballistics is your scope height, i.e. Line of Sight to Bore in the Manage Rifle / Cartridge Data window. This is the distance between the center of the scope and the center of the bore. The default height is 45mm but with tactical rifles, the height can be even 70mm. So check! The height is easy to measure with a ruler. Then there’s also the twist rate of your rifle to set up — look it up in the rifle manual, it can also be stamped on the rifle barrel. The rifle twist rate is needed to calculate spin drift and bullet stability. Spin drift should be taken into account with longer distances, and it can be enabled or disabled in Lapua Ballistics.
2. SET UP YOUR BULLET CHOICE
You can add your bullet of choice from the bullet library, where you find all Lapua bullets. It is also possible to add information manually. In this case, you will need bullet weight, the ballistic coefficient BC and muzzle velocity. The Ballistic coefficient can be given in G1 or G7 values. G7 is designed for low-drag bullets with a boat tail and G1 is used for more traditional flat base bullets. Lapua on the other hand uses Doppler radar-based data to calculate a more accurate ballistic trajectory for Lapua bullets by 6DOF model. Anyway, it is good to remember that the ballistic coefficient changes with velocity, so all changes in a flight path cannot be predicted.
The following thing you will need to set up is the bullet’s actual muzzle velocity. You can reverse engineer the number based on your drop or by using a chronograph. It is good to remember that more rounds you shoot, the better average velocity you will get.
Because temperature affects muzzle velocity, it would be good to shoot velocities in different temperatures and write them down. Those notes can be used with Lapua Ballistics as it is possible to set up the powder temperature variation in the App.
3. SET UP WEATHER CONDITIONS
Lapua Ballistics has settings for temperature, air pressure, and humidity. All these affect the ballistic solution and the chance to hit the target. In a nutshell, temperature affects the powder’s burn speed and in that way the bullet velocity. Air pressure and humidity also affect bullet drag.
If you are shooting approximately on sea level, you do not need to change air pressure values, but if you are shooting or hunting in mountain areas or where there is lot of elevation difference, you might want to check the air pressure. On sea level, the atmospheric pressure is 1013 hPa. The higher you go, the less air pressure you will have and thus less bullet drag. Some like to use handheld weather and wind meters that have a function to get actual air pressure and humidity, however the Get Current Weather function in Lapua Ballistics will give you the air pressure reading from your local and most close weather station, provided that your app is allowed to use your location data.
Temperature is an important variable. To understand how velocity change in different temperatures, only way is to shoot and keep notes. Some ballistic software and apps have values for muzzle velocity in different temperatures. The user needs to input muzzle velocity in different temperatures in order to software to calculate the effect. More velocities in different temperatures the user adds, the more accurate the calculation will be.
4. SET UP A BALLISTIC SOLUTION
After we have set up our own rifle / cartridge data, there are few things that need to be taken into account when shooting: the distance to the target, the wind and our shooting skills. Distance can be measured for example with a laser rangefinder and then put in. Wind can also be measured with a wind gauge but it is important to remember that the wind in the target area can be very different from that in the shooting position. Lapua Ballistics gives a ballistic solution based on stationary wind, so in the end, the shooter’s task is to estimate how much the wind factor will be.
It’s good to remember that Lapua Ballistics is a starting point and designed to assist the shooter. Software and apps have ways of helping us adjust the sight and predict the ballistic solution but they will not replace the shooter. We still have to pull the trigger and record our range data. By keeping good range notes and with the support of good ballistic software like Lapua Ballistics, we should be able hit in all environments.
Article Find by EdLongrange. We welcome reader submissions
In today’s economy, Free is good. Here’s a list of classic, older shooting books that can be downloaded for FREE from Google Books. This list includes many classic treatises on marksmanship that still have value for today’s competitive shooters. In addition, we’ve included illustrated firearm histories, such as Townsend Whelen’s fascinating book, The American Rifle, and The Gun and its Development (9th Ed.), by William Wellington Greener.
Oversizing cases also causes problems because the firing pin doesn’t have the length to reach the primer solid enough to ignite it 100% of the time. When you have one that is oversized, you usually have a bunch, since you usually do several cases at a time on that die setting. If the die isn’t readjusted, the problem will continue on the next batch of cases also. They will either not fire at all or you will have a lot of misfires. In a bolt action, a lot of time the extractor will hold the case against the face of the breech enough that it will fire. The case gets driven forward and the thinner part of the brass expands, holding to the chamber wall and the thicker part of the case doesn’t expand as much and stretches back to the bolt face. If it doesn’t separate that time, it will the next time. When it does separate, it leaves the front portion of the case in the chamber and pulls the case head off. Then when it tries to chamber the next round, you have a nasty jam. Quite often range brass is the culprit of this because you never know how many times it has been fired/sized and in what firearm.’Back to beating it on the ground again till you figure out that you have to get the forward part of the case out.
