Key Features:

• Laser-cut 3/8” AR500 Steel
  Powder coat finish
• Four mounting holes for vertical or horizontal positioning
• Target Hole Sizes: 2”, 1-3/4”, 1-1/2”, 1-1/4”, 1”, 3/4”, and 1/2″
•  Includes two target hanger hooks
  Made in the USA

Product Information:

Product Page  |  Product Video

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Rifle shooters, regardless of their respective disciplines, are very

Gun books are most commonly associated with the military, specifically match-conditioned firearms and sniper rifles. These books are a means for the shooter and the armorer tasked with maintaining the firearm to communicate. The shooter uses the firearm for its intended purpose and notes the number of rounds fired. The armorer uses this information for the purposes of preventative maintenance and also records their maintenance and gauging results in the book. For military units and marksmanship teams this is a must to ensure firearm readiness.

For individual shooters, not affiliated with a military team or serving in a military unit, we act as the shooter and armorer for the most part. So, if we’re acting as both, why is it important to maintain records? The answer is the same reason we record all of the other data related to our shooting, we can’t remember everything. Recording your round count, maintenance history, and critical data on a rifle offers a lot of benefits for an extremely low cost and minimal time invested.

Benefits:

Barrel Life/Cost Savings: Arguably the most important data entered into a gun book is the number of rounds fired. This is because barrels have a finite life span. Whether it’s a cut rifled .223 service rifle barrel that can go 4,000 rounds or a button rifled 6.5-284 barrel that might be lucky to shoot on-call after 1,000 rounds, all barrels have a life span. Recording your rounds fired helps you be proactive in scheduling barrel replacement. While swapping out a barrel is not a cheap option these days, it beats the expense (and heartache) of traveling to a match, loading ammo, booking a hotel, and paying entry fees only to find out that your barrel has already seen its
last good day.

Preventive Maintenance: We’ve already touched on the benefits of keeping rounds counts for monitoring barrel life. But barrels aren’t the only item on the rifle with a limited service life. For service rifles, parts like gas rings, extractor springs, and ejector springs are commonly replaced items. For bolt guns, replacing firing pin springs on a
regular basis can help ensure quick lock times. Keeping track of these replacements helps the shooter ensure their equipment is ready to perform.

Firearm Status: In a world where most of us are balancing work, family, chores, and our shooting hobby, keeping track of whether or not a firearm is ready for the next practice session or match can been difficult. If you record your cleaning and maintenance in your gun book, a quick check will tell you whether you’re ready to head out the door on Saturday morning or if you need to spend some time scrubbing the bore on Friday night.

Consistency: Making records of things like action screw torque settings is critical to maintaining consistent accuracy over the course of time. While you may be able to remember for this for a single firearm, having multiple firearms can create confusion. Use a gun book to keep accurate records for each firearm.

Shooting good scores is hard enough without fighting gun troubles. Using a gun book and keeping accurate records will give you more confidence in your equipment, save you time and expense, and ultimately allow you to perform at a higher level. These benefits come at the cost of a few dollars and a small amount of your time to keep
accurate records.

-John Teachey

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To achieve the highest levels of accuracy most benchrest shooters utilize the same 5-10 pieces of brass for an entire event, reloading at the range between relays.  Fischbach employed a technique not often utilized in the short-range benchrest world by pre-weighing charges into small vials to then be loaded at the range.  These charges were measured using Creedmoor Sport’s TRX-925 Precision Reloading Scale.  The TRX-925 weighs down to the hundred (0.01) of a grain and Pascal credits this exceptional precision as a key element in his success.

“I have been shooting powder from 2019…it’s hotter and might also have a narrower sweet spot window, so weighing loads carefully is paramount,” said Pascal Fishbach. “I drop an initial charge with my electronic measure and then finely adjust with a trickler over the TRX 925 scale which is sensitive to a single kernel of powder,” added Fishbach.

Developed by the team at Creedmoor Sports, the TRX-925 was designed from the ground up to offer exceptional accuracy and value for shooters.  The scale uses grains as its native unit of measure to avoid the rounding errors many other scales experience when converting weights from grams to grains.  The TRX-925 also comes standard with three F-1 class calibration weights to help ensure consistency during each reloading session.

EBSF Championship Results    |    View Product Page    |    View Product Video

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Part 3: The Process- with Wayne Dayberry

We’ve covered the “Quick Start” and “Filling in the Data Gaps” in previous emails. Now we finish this series with an overview of “The Process” and “Truing Your Ballistic Coefficient” for Rimfire Ammunition below.

The Process

1. We need an estimated ballistic coefficient as a starting point to enter in your ballistic solver.

a. For 40grain 22lr rimfire ammunition, I start with a .1 G1 ballistic coefficient as a baseline.

2. Enter the data into your ballistic solver (free ones work just fine for this)

3. If you have the capability, update the environmentals in your solver for the day

4. 100yards: Using your solver, dial the indicated elevation adjustment and confirm with live fire. Write down your elevation adjustment

5. 200yards: same drill.  Using your solver, dial the indicated elevation adjustment and confirm with live fire. Write down your elevation adjustment

6. Before going to 300yards: compare what your solver is telling you and what your actual elevation adjustment needed. If they are fairly close, proceed to 300y. If not, skip to the truing section, the come back to step 7 300yards.

7. 300yard: using your solver, dial the elevation solution, make a wind call, and send rounds down range.

a. If not shooting on paper:

i. A good follow through and staying on scope will help you spot misses and make adjustments

ii. A friend on a spotting scope or another rifle optic works very well for this process.

iii. **shooting at easily identifiable spots on the berm (clumps of dirt, clay pigeons etc) helps to call your shots

8. Write down your actual elevation adjustment.

Truing your Ballistic Coefficient

Now the magic happens with a little trial and error.

Before starting this last step, ensure you have the velocity data we gathered earlier. If needed, obtain a good average velocity by shooting 10 shots over a chronograph. Then, for this last step we’ll hold that data constant along with bullet weight and adjust our ballistic coefficient as follows. Go back to your solver and adjust the ballistic coefficient for this ammunition until you develop a profile that is very close to your actual elevation adjustments.

I keep my zero range zero elevation and adjust the ballistic coefficient until my 300 yard is spot on. Then I refine the ballistic coefficient plus or minus very small increments until the intermediate ranges true up as well. Sometimes it is hard to get every range perfect, and that’s acceptable. This is a field expedient method to do what sophisticated radar systems and extensive testing are designed for. In my experience, the ballistic profile is within .1 or .2 mils at all distances from my zero range out to 300 yards. And that’s basically a maximum error at distance of 2”…I’ll take that with a rimfire any day.  

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with Wayne Dayberry

Making hits at distance with your rimfire (or any cartridge) includes understanding and minimizing the effect of the variables. Just like when developing your load data for centerfire cartridges, you’ll need to start with the ammunition basics: muzzle velocity, bullet weight, and the bullet’s ballistic coefficient. Bullet weight is readily published by the manufacturers, and you can gather your muzzle velocity with a chronograph, however the bullet’s ballistic coefficient is not always readily available for rimfire ammunition. And even if it is, just like when doing load development for their big brother cartridges, truing your own muzzle velocity and ballistic coefficient over distance is a good idea. 

Starting with the end in mind, my D.O.P.E. (Data on Previous Engagement) for a 300yd 22lr rimfire shot is approximately 15mils, give or take depending upon the environmentals as well as ammunition brand and type.

So, making hits at 300 yards with your rimfire is going to be similar to the following (your mileage may and will vary):

• 6.5 Creedmoor with a 140 gr high BC bullet running at 2,700 fps yields about 1,310 Yards at 15mils and a 1.5mil holdoff for a 5mph wind.
• 308 Winchester with a 200 gr high BC bullet running at 2,400 fps yields about 1,100 Yards at 15mils and a 1.7mil holdoff for a 5mph wind.
• Rimfire 22lr with a 40 gr bullet at 1080 fps = 300 Yards at 15 mils and a 2mil holdoff for a 5mph wind.

We know the bullet weight, and if you shoot at least 10 rounds (or more) over a chronograph, you should be able to get a reliable muzzle velocity. Those two can become “fixed” in the long distance equation. Then, truing up the ballistic coefficient for your round is the exercise. We’ll explain more about this in an upcoming email!

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Creedmoor Sports is excited to announce the TRX-925 Precision Reloading Scale, the newest introduction to our product line-up. Our development team set out to create one of the most accurate and precise scales on the market that directly meets the needs of reloaders who are looking for the pinnacle of performance. To achieve this level or precision and accuracy, the team focused on the needs of reloaders first and foremost, and worked to develop a high-performance scale that aims to be the premier reloading scale on the market.

To offer the highest level of accuracy possible, the team started by ensuring the scale utilized grains as its native unit of measure, maintained accuracy down to the hundredth (0.01) of a grain, and had a more refined level of calibration for exact and consistent measurements.

As reloaders, we speak in grains. Our specialized programming sets the Creedmoor Sports TRX-925 apart from other scales on the market. While measuring in grains may seem like the norm, the vast majority of scales on the market utilize grams as their native unit of measure and simply convert the measured weight from grams to grains by using a formula. Unfortunately, this method of behind-the-scenes conversion generates significant rounding errors that can affect the reported weight. The ability of the TRX-925 to read down to 0.01 grains, eliminating the gram/grain conversion process, and measuring natively in grains, were absolute musts to achieve the level of accuracy the Creedmoor Sports TRX-925 is capable of.

To ensure that the TRX-925 maintains the level of precision that serious reloaders demand, each Creedmoor Sports TRX-925 comes standard with three F-1 class calibration weights (2g, 10g and 50g). These precision grade weights are machined from stainless steel, and each come in its own protective storage case. The inclusion of the three weights and the multi-point calibration process developed by our team, allow reloaders to calibrate at their normal range of operation, which serves to ensure charge weights are consistent over time.

The Creedmoor Sports TRX-925 Precision Reloading Scale works with a level of precision offered only by a select few scales on the market. To do this, our scales are produced in an ISO9001:2008 approved facility and utilize laboratory-grade electronics. The TRX-925 also includes an anodized static-free powder pan, which has a 925 grain maximum capacity, and comes with a modular draft shield. The backlit LCD display allows the user to reload easily in overly bright, or low-light conditions without eye strain.

While the TRX-925 is a new addition, Creedmoor Sports has a long history of supporting the needs of precision shooters. Headquartered in Anniston, Alabama, Creedmoor Sports has over 40 years of experience in the shooting sports industry, with competitive and precision shooting being the core focus. We offer a complete line of Creedmoor Sports branded products as well as other leading brands within the shooting sports industry.

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I have personally done both neck sizing and full-length sizing over the past 35 years of shooting and found that some rifles seem to prefer neck sizing only while others seem (non-statistical valid data) to perform better with full length sizing. Key word is seem (again, not statistically valid), I’ve done both types of sizing in tight neck custom chambers and factory chambers. I was taught thinking that neck sizing was the best for accurate shooting and a majority of us used to do this in short range benchrest. Eventually most of us migrated to bumping the shoulder or using a traditional full-length die. I think the question really comes down to the type of situational shooting?

First the differences; with neck sizing dies (whether bushing or conventional) you are only resizing the case neck, and with most setups, not the complete length of the neck. When full length sizing with a properly setup die, you are pushing the shoulder back .002” to .003” ideally (some reloaders shoot for only .001”). Also, you are sizing the case neck and the body of the case.

Let’s chat about the advantages of each.

Neck Sizing Advantages

Neck sizing has two main arguments that some reloaders will make in favor of it.

– The first argument is that the case, having been fireformed, now has a close semi-tight to tight fit in the chamber providing better alignment of the case neck/bullet to the chamber. I believe this argument because the fireformed case should align better in a close-fitting chamber. But, does it materially improve the accuracy, especially when the bullet usually has only .000” to .020” of bullet jump depending on the load tuning?

– The second argument is about case hardening and case life. Neck sizing works the brass less than full length sizing. By neck sizing, you keep from working the body of the case and in some situations may get an extra firing before needing to trim. But eventually you will have to full length size so you can extract the brass without beating on the bolt handle.

Full Length Sizing Advantages

Full Length sizing has one major advantage – easy extraction of the fired brass.

– If you are competing in a sport such as F-Class, service rifle and even benchrest, being able to cycle the brass quickly without disturbing your position or the gun allows you to shoot in the same wind condition. I used to neck size my 6 PPC brass for short range group benchrest shooting and significantly disturbed my rifle position on the rest after a hard bolt lift to extract the brass and then lost several seconds in re-acquiring my aiming point. In a position rifle such as service rifle you could actually disturb your NPA (natural point of aim) due to extraction difficulties.

Any of the precision rifle action-based sports, such as PRS and NRL, would also be negatively impacted by a stiff bolt cycle.

– Rapid fire competitions and hunting are also venues where full-length sizing is critical.

My Humble Opinion

My personal position is that I will full length size my fired brass every time I shoot. I setup my die to push the case shoulder back approximately .002”. I use a bushing style threaded die most of the time. On rifles where I have fully turned necks, I’ll use a specific bushing to obtain the desired bullet grip. On non-neck turned brass or brass where I have turned just enough to clean up thick spots, I’ll use a bushing that sizes all of my brass just enough so that the inside neck dimension is slightly smaller than the diameter of my expander ball. By doing it in this manner, when I pull the brass out of the die and over the expander ball, all of my brass will have approximately the same inside dimension (i.e. bullet grip/tension).

I full length size mainly for the reward of not having to wrestle with my bolt on the line whether in position, shooting F-Class off a bipod or rest or shooting short range benchrest. Any perceived gain in accuracy is just not worth the aggravation or the impact to not running your shots in a condition. If you full length size, you can concentrate more on reading the wind, focusing on position fundamentals and maintaining your natural point of aim.

If you chat with most highly competitive long-range shooters, most of them will feel the same way and these are folks that would go to great lengths for a little bit more accuracy. But they know the impact of losing a wind condition or the impact a distraction of a sticky bolt can make on their performance.

Best wishes and good shooting,

Bill Gravatt

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With AZTEC MODE the AMP machines can analyse your brass cases and generate the perfect setting in seconds! It can distinguish between different calibers, brands, different LOT numbers and even if you have neck turned!

Stay tuned for updates on this introduction!

https://www.creedmoorsports.com/product/3554/–reloading

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LabRadar is the world’s newest technology in obtaining projectile velocities of Rifles, Shotguns (slugs only), Handguns, Pellet Guns, BB Guns, Bow & Arrows, Crossbows, Paintball.

Doppler Radar is the most precise method of measuring velocities available. Its accuracy is not dependant on light conditions or being exactly parallel to photo electric sensors resulting in false readings.

We would like to thank Raymond Gross, US Rifle Team, for allowing us to share the following post that he originally posted on the US Rifle Team Blog back in February, 2016:

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