Cerakote is an advanced, highly durable, heat-cured coating that offers excellent corrosion resistance when applied to firearms. Cerakote can be applied to both metals and plastics, and many top firearms manufacturers (and custom gun builders) now offer Cerakote finishes as an option on their shotguns, hunting rifles, and tactical arms.
While Cerakote is not difficult to use, application of Cerakote is not just a simple “spray and bake” process. Best results are achieved when firearms are carefully degreased and surface-prepped prior to application. The video below, produced by NIC Industries, the manufacturer of Cerakote, shows the application process from start to finish. If you watch the video you’ll learn the importance of careful, step-by-step product prep. Metals should be surface-blasted prior to coating, and curing times need to be adjusted to the material type (polymer vs. fiberglass vs. metal). Cerakote is offered in a wide variety of colors. Multi-color finishes, including camouflage, can be applied by a skilled operator.
The video above shows a professional technician applying Cerakote finish to rifles and pistols. All gunsmiths who plan to offer Cerokote finishes should definitely watch this video. NOTE: Cerakote Firearms Coatings are designed for professionals and should be applied by an NIC-trained application specialist or a coating professional with proper training and equipment. NIC Industries stresses that “it is critical to follow all these instructions”.
Story tip by EdLongrange. We welcome reader submissions.
Next time you have a barrel fitted, consider having your gunsmith create a “stub gauge” from a left-over piece of barrel steel (ideally taken from your new barrel blank). The outside diameter isn’t important — the key thing is that the stub gauge is created with the same reamer used to chamber your current barrel, and the stub must have the same bore diameter, with the same land/groove configuration, as the barrel on your rifle. When properly made, a stub gauge gives you an accurate three-dimensional model of the upper section of your chamber and throat. This comes in handy when you need to bump your case shoulders. Just slide a fired case (with spent primer removed) in the stub gauge and measure from base of case to the end of the gauge. Then, after bumping, re-measure to confirm how much you’ve moved the shoulder.
In addition, the stub gauge lets you measure the original length to lands and freebore when your barrel was new. This gives you a baseline to accurately assess how far your throat erodes with use. Of course, as the throat wears, to get true length-to-lands dimension, you need take your measurement using your actual barrel. The barrel stub gauge helps you set the initial bullet seating depth. Seating depth is then adjusted accordingly, based on observed throat erosion, or your preferred seating depth.
Forum member RussT explains: “My gunsmith [makes a stub gauge] for me on every barrel now. I order a barrel an inch longer and that gives him enough material when he cuts off the end to give me a nice case gauge. Though I don’t have him cut that nice-looking window in the side (as shown in photos). That’s a neat option. You can tell how much throat erosion you are getting from when it was new as well. For measuring initial seating depths, this is the most useful item on my loading bench next to calipers. Everyone should have a case gauge made by there smith if you have a new barrel put on.”
Forum member Lawrence H. has stub gauges made with his chamber reamers for each new barrel. He has his smith cut a port in the stub steel so Lawrence can actually see how the bullet engages the rifling in a newly-cut chamber. With this “view port”, one can also see how the case-neck fits in the chamber. Lawrence tells us: “My stub gauges are made from my barrels and cut with my chamber reamers. With them I can measure where my bullets are ‘touching the lands’ and shoulder bump dimensions. This is a very simple tool that provides accurate information.” To learn more about stub gauges, read this Forum Thread. The photos above and below show Lawrence’s stub gauges:
Brownells’ 6th Annual Gunsmith Career Fair will be held at the Des Moines Marriot Downtown in Des Moines, Iowa, April 27-28, 2012. The Sixth Annual Gunsmith Career Fair is expected to draw hundreds of attendees along with representatives from three dozen potential employers. As in past years, the Career Fair will include gunsmithing seminars along with opportunities for individuals to interview for jobs with arms-makers and government agencies.
Recent graduates, working gunsmiths, soon-to-graduate gunsmithing students, gun shop owners, and other firearm-related businesses are all invited to attend, as well as anyone interested in beginning a career in the gunsmithing profession. According to Frank Brownell: "The Gunsmith Career Fair is the place to network for gunsmiths and companies who employ them. It really is a must-attend event." Those interested can sign up at Gunsmith CareerFair.com.
In addition to industry and government representatives, many trade schools and colleges offering gunsmithing programs will be exhibiting at the 2012 Gunsmith fair. These include:
Kirby Allen of Allen Precision Shooting, www.apsrifles.com, has introduced a new .30-caliber jumbo-sized magnum he calls the 300 Raptor. The 300 Raptor (center in photo) is based on Allen’s 338 Excalibur parent case (far right in photo), necked down to 30 cal with shoulder moved forward to increase case capacity. Allen states: “This is the largest capacity and performance 30 caliber magnum on the market that can be used in a conventional sized receiver.”
Shoot 200s at 3600 fps
Performance of Allen’s new 300 Raptor is impressive. Allen claims that “200gr Accubonds can be driven to nearly 3600 fps, 230gr Berger Hybrids to 3350 fps, and the 240gr SMK to right at 3300 fps. These loads offered case life in excess of 6-7 firings per case and many of my test cases have over 8 firings on each case so they are not an overly hot load showing the potential of this big 30 cal.”
To showcase the new cartridge, Allen built up a prototype rifle with a McMillan A5 stock, Raptor LRSS Action with extended tenon, and a Jewell trigger. The first 300 Raptor Rifle is currently on its second barrel, a new 30″, 3-groove 1:9″-twist Lilja in a custom APS “Raptor Contour”. This distinctive dual-fluted contour runs full-diameter almost to the end of the stock, and then steps down and tapers to the muzzle, where a beefy Medium 3-port ‘Painkiller’ Allen Precision brake is fitted.
If you like the looks and stated performance of Kirby Allen’s big 30-cal Rapor, the rifle in the pictures is for sale. The whole package including a Nightforce 5-22×56 NXS scope (with 4 rings), and 140 pieces of formed brass, is $7500.00 as delivered in a 62″ Cabela’s “bulletproof” gun case. If that seems a bit rich (it does to us), Allen says he is “open to realistic offers”.
Story tip by EdLongrange. We welcome reader submissions.
Here’s good news for AR fans who want to add an ultra-accurate Tubegun to their rifle collection. Now you can use many popular AR-specific buttstocks with Eliseo CSS Tubegun Chassis Kits. Gary Elesio has crafted a new adapter that fits between the Tubegun’s action sleeve and the buttstock, allowing the use of the many AR buttstocks which fit an AR buffer tube. The new adapter, priced at $60.00, is a simple, no-gunsmithing installation.
The buffer tube (with buffer removed) simply screws into the female-threaded CSS adapter unit, and then the AR buttstock is secured to the buffer tube (either by set-screws or locking collars, depending on the design). Finally, the whole assembly (AR buttstock plus adapter) slides into the rear of the Tubegun’s action sleeve, where it is secured by a tensioning screw.
Gary Eliseo of CompetitionShootingStuff.com (CSS) explains: “I’ve had lots of demand to support AR buttstocks on my chassis systems. The Lightweight Hunter Chassis will now be supplied with an adapter for mounting an AR buffer tube. This adapter, with an anodized finish, will also be available as an option for other CSS Chassis Kits. The whole system is reasonably light with an AR buttstock installed. With an ACE skeleton-style AR stock (shown in photos) the whole Tubegun weighs right at eight (8) pounds. That was with action in place and a 24″ sporter-weight barrel, but without optics. Some heavy-barrel ARs weigh more than that.” NOTE: The Chassis in the photos is right off Gary’s machines, so it is bare metal. As delivered, CSS Chassis Kits come with an Anodized, Cerakote, or Powder-coat finish, according to buyer preference.
Eliseo’s Light Weight Hunter (photo below) will now be delivered with the AR adapter, rather than a CSS-made buttstock. This gives the chassis purchaser the ability to choose from a variety of third-party buttstock designs, including collapsible stocks. The good news is the price of the CSS Light Hunter Chassis with Cerakote finish will be reduced $90.00 to $685.00. That’s a great deal when you consider most guys can use a buttstock they already acquired for their AR(s). If you have any questions about Gary’s new buttstock adapter, you can post in this Forum Thread, and Gary can give you an answer. Alternatively, email your questions to: order.info [at] competitionshootingstuff.com.
Shown above is Gary Eliseo’s Light Weight Hunter with original CSS-made tubular buttstock. From now on, Light Weight Hunter Chassis Kits will be supplied with an AR buttstock adapter (and no buttstock), so the purchaser can select his preferred buttstock design from a variety of third-party options. This change allowed CSS to reduce the Light Weight Hunter Chassis price to $685.00 (including adapter).
Dansig’s Hot-Rod Howa – Forum member Dansig has been busy during the long, cold winter in his native Iceland. He transformed a homely-looking Howa m1500 Axiom into a beautiful candy-red thumbhole Varminter that shoots in the threes. This was truly a “labor of love” that required many dollars invested and dozens of hours of home-workshop labor. But the results speak for themselves. Dansig now owns what may be the best-looking Howa on the planet. And this rig isn’t just a beauty queen — it’s very accurate as well. With a new Krieger barrel chambered in 6mmBR Norma, the Howa shoots repeatable, five-shot groups in the threes, and Dansig has managed a few “wallet groups” in the low twos.
From this beast….
To this beauty … All it takes is imagination, hard work, and the right components….
Read Dansig’s account of the project from start to finish…
For this project I acquired a new Howa m1500 axiom. The transformation began with a $99.00 (USA retail) Boyds’ thumbhole stock.
When I got the stock, I found that even the standard barrel was too big for it, so I had to modify it quite a bit. To help ride the front bags, I added a wood block to make the fore-end wider, and to provide a flat section in the front. This required cutting the sides of the fore-end to mate with the wider block, which was glued in place. I also added an inch to the stock length.
Then I spent a few weeks sanding and filling…
Then it was time for the paintjob ($270). The multi-coat finish was applied by a professional, using car paint and clear coat so it’s very strong and scratch resistant. The color was a customized red with gold metal-flakes, and it looks awesome on a gun.
Bolt Sleeved, Trigger Tuned, and Krieger Barrel Fitted
While I was working on the stock I took the action to the local gunsmith. He fitted a new 1:13.5″-twist Krieger HV barrel and he put a sleeve in the action to make it tighter. He also tuned the trigger, taking it down from 56 ounces (ouch!) to just 14 ounces. Finally, my smith bedded the stock before I took it in for the paintwork.
Project Completed — Looks Great and Shoots Great
And this is the finished product of very hard labor. The project was a lot of work, mostly because it was all done by hand and not with machines. I may do a similar project again, but I would make the stock from oak or other strong wood. The wood I used is a bit soft for this kid of project.
Hot-Rod Howa Shoots as Good as She Looks
Dansig reports: “How does my Hot-Rod Howa shoot? Repeatable 5-shot accuracy with me as a shooter is in the threes, but with a more experienced shooter, the gun could probably shoot even better. I say this because I just started shooting Benchrest for the first time when this project gun was completed. Here’s an exceptional (much better than average) ‘wallet group’ that shows what the gun can do ‘when the stars align’. This group, shot with VV N135 and Nosler Ballistic Tips, made my buddies really roll their eyes! I wish I had more groups like this one!”
Editor’s Note: Groups shown were shot on Caldwell “Tip-Top” laminated weatherproof targets, which display a distinctive punch — similar to a wad-cutter hole — as opposed to the standard gray donut smudge on a normal paper target. The holes appear black because the targets were placed over a black background sheet before being photographed.
The Hickory Groundhog and Egg Shoot, the richest varmint shoot East of the Mississippi, is just three weeks away. The hugely popular Hickory Shoot will be held this year on Saturday, April 7, 2012. The basic entry fee is just $25.00 per gun. That’s cheap for a chance to win a bundle of cash, plus valuable prizes such as Shehane stocks and Nightforce optics.
Anatomy of a Hickory-Winning Rig — Brady’s Record-Setting 6BR
If you wonder what kind of rifle can win the big money at the Hickory Shoot, have a look at Terry Brady’s 42-lb 6BR. In 2010, Terry Brady won the Custom Class in the Hickory Shoot, setting an all-time record with a 99 score*. Terry was shooting a straight 6mmBR with 105gr Berger VLD bullets. His rifle looks “normal”, but it was actually purpose-built for Groundhog shoots, which have no weight limit in Custom Class. The fiberglass Shehane Tracker stock was stuffed with lead shot from stem to stern, so that the gun weighs nearly 42 pounds with optics. The Hickory winner, smithed by Mike Davis of Zionville, NC, featured a BAT DS action with a straight-contour, gain-twist Krieger barrel. The twist rate starts at 1:8.7″ and increases to 1:8.3″ at the muzzle. Terry was shooting a relatively moderate load of 30.5 grains Varget with Danzac-coated bullets. This load absolutely hammered, but Terry thinks the gun might shoot even better if the load was “hotted up a little.”
Minimal Recoil and Insane Accuracy at 500 yards
In the picture above you see the Hickory winner fitted with a 5″-wide front plate. This was crafted from aluminum by Gordy Gritters, and Terry said “it only adds a few ounces” to the gun. Mike Davis installed threaded anchors in the fore-end so the plate can be removed for events where forearm width is restricted to 3″. The plate is symmetrical, adding 1″ extra width on either side of the Shehane Tracker stock. Gordy can also craft a 5″ plate that offsets the rifle to one side or the other. Terry hasn’t experimented with an offset front bag-rider, but he thinks it might work well with a heavier-recoiling caliber. Terry actually shot most of the Hickory match without the front plate so he could use his regular 3″-wide front bag. Even with the plate removed, Terry’s Hickory-winning 6BR barely moves on the bags during recoil, according to Terry: “You just pull the trigger and with a little push you’re right back on target.” With this gun, Terry, his son Chris, Chris’s girlfriend Jessica, and Terry’s friend Ben Yarborough nailed an egg at 500 yards four times in a row. That’s impressive accuracy.
*The Hickory employs “worst-edge” scoring, meaning if you cut a scoring line you get the next lower score. One of Terry’s shots was right on the edge of the white and another was centered right between white and black at 3 o’clock. Accordingly he only received 27 points for each of the 300 and 500-yard stages. Under “best-edge” scoring, Terry would have scored even higher.
The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) issued a bulletin on March 9, 2012 regarding web-based services that promise that the purchaser of an commercial application package will be issued a Federal Firearms License (FFL). ATF notes that such commercial services are not sponsored or approved by the ATF, and these service may use non-authorized forms which the ATF will neither accept nor approve. Here is the exact language of the Notice, highlights added:
Private Application Services and Non-Approved Application Forms
ATF has recently become aware of web-based companies which guarantee the issuance of a Federal firearms license (FFL) if a prospective applicant purchases the company’s application packet and advice about how to obtain a FFL. Anyone considering applying for a FFL should be aware that the fees paid for such consulting services and materials are not required, endorsed, or received by ATF. Any fees for application consulting services and materials are paid voluntarily by a prospective applicant, who should understand that such fees are in addition to the license and permit application fees required by law and collected by ATF. ATF collects no application fees online at this time. All ATF-required fee payments must be made by check, money order, or credit card and accompany the paper application form sent to ATF by the applicant.
It is also important to note that ATF does not guarantee the issuance of FFLs. Each application is reviewed on its merits under the qualifying criteria set forth by law.
Some private application services provide their own version of license application forms. Please note that ATF will not accept any application form not approved for use by the Office of Management and Budget and will return without action applications submitted on unauthorized versions of ATF forms. All ATF application forms are provided free of charge and may be obtained from the ATF website or forms Distribution Center by calling 202-648-6420. You may also contact the Federal Firearms Licensing Center at 1-866-662-2750 for assistance in completing FFL applications.
Ace gunsmith Joe Chambers (aka Joe C), who is best known for his custom pistols, recently joined our Shooters’ Forum. Guns built by Joe have been used to win 49 class championships at the NRA Camp Perry National Championships, as well as many regional, state and local matches. He has built guns for collectors, concealed carry and action pistol competitors as well. Joe’s custom pistols have been featured in American Handgunner Magazine. Chambers’ guns are noted for their outstanding reliability and accuracy. He has built 1911s chambered in .38 Super that will put ten (10) shoots in under 1.00″ at fifty (50) yards. (We’ve seen some factory rifles that can’t do that!)
You can view impressive Chambers-built customs on Joe’s website ChambersCustom.com. Here are some samples:
Chambers Gains Precision Rifle Knowledge Through Forum
While the AccurateShooter Forum’s main focus is on precision rifles, it’s good to know that someone with Joe’s skills and abilities can help forum members who have questions about 1911 pistols and custom pistol-smithing. In return, we invite our experienced rifle shooters to share their long-gun knowledge with Joe. A budding interest in long-range and F-Class rifle shooting drew Chambers to our Forum. He came to the right place. Many of the nation’s top F-Class shooters (both F-TR and F-Open) frequent our board. No doubt Joe will advance his knowledge of rifle shooting through participation in our Forum. Welcome aboard Joe — we are pleased to include you in our community of precision shooters!
Story tip by Tanner F. (aka Flybuster). We welcome reader submissions.
A while back, while in Arizona, we headed out to the Ben Avery Shooting Facility, located about 27 miles north of downtown Phoenix on I-17. We were impressed by Ben Avery’s vast range complex, which includes a Clay Target (shotgun) center, 1000-yard High Power range, 100-300 yard Benchrest range, rifle and pistol silhouette ranges, handgun ranges, smallbore range, Running Boar range, and a large, 53-bay, 200-yard main range.
At the main range we ran into Forum Member Troy D., who had a brand-spanking new 6mmBR rifle built by Lester Bruno of Bruno Shooters Supply. While breaking-in his new 28″ Krieger barrel, Troy was using Sierra 70gr Blitz-Kings. Accuracy was impressive — the 70 grainers ripped tight, little knots in the high 2s, low 3s. Though his rifle has an 8-twist barrel, Troy was testing the 70s in preparation for a prairie dog trip next week. From what we saw, those p-dogs should be worried. Troy’s gun was a tack-driver with the Sierra Blitz-Kings.
Troy’s Compact Storage Box (Just $1.50!)
While Troy was cleaning between groups, we noticed he was using a compact little box to hold his jags, brushes and patches. The box was the perfect size for these items. Troy explained: “If you’re just taking one rifle to the range, you don’t need to take a big gear box with stuff for all your guns. Apart from solvent, bore guide, and cleaning rod, this little box holds all I really need to clean my rifle.” Troy sourced the box at Cabela’s for $1.50.
Muzzle brakes are controversial. Some people swear by them, while others swear at them. Still, there’s no question that a good brake can reduce felt recoil up to 45%. And likewise, the best brakes, when installed properly, seem to have no negative effect on accuracy.
Roy Bertalotto has done considerable experimentation with muzzle brakes, testing dozens of brake designs on his own rifles over the past few years. Roy’s article, Adventures with Muzzle Brakes, discusses various aspects of muzzle brake design and performance. Roy doesn’t claim that his testing is definitive, but his article is definitely worth a read. Here are some of Roy’s interesting findings:
Exit Hole Diameter
“Best accuracy and effectiveness of the brake was obtained with a hole .020″ over bullet diameter. If the exit hole is too small, such as +.005″ over bullet diameter, accuracy suffers. If the depth of the exit hole is too shallow, the metal around the hole will erode very quickly.”
Hole Placement
“The most effective braking was with a brake 1″ in diameter with a 3/4″ exit hole on each side, just in front of the muzzle. The bullet passes through a cone of 35 degrees before it exits the brake. (Like the tank example), Incredible reduction of recoil. But loud and ugly. Very easy to make since you don’t need a spin fixture or a dividing head.”
Bottom Gas Venting Helps Accuracy
“In my tests, not having holes all around the brake effects accuracy a bit. I believe it does something to the bullet by the air pushed ahead of the bullet creating unequal turbulence in the bullet path. I’ve tried a few brakes where I drilled only holes on the top, test fired, and then completed holes on the bottom and in every case, accuracy improved.” Below are spiral-ported brakes crafted by Clay Spencer.
Brakes Work Best with High-Pressure Cartridges
“The higher the pressure of the particular round, the more effective the brake. I have over 20 rifles with brakes. The 220 Swift is the king of reduction. Followed very closely by the 25-06, 6mm Remington, any Weatherby small bore. With a proper brake and a hot handload under a 40 gr bullet, the Swift will move 1/2″ to the rear and 0 muzzle rise! Big boomers with low pressure like 45-70s and shot guns benefit the least.” [Editor's Note: Roy is judging effectiveness by the percentage of recoil reduction rather than absolute levels of recoil. Obviously if you start with a heavier-recoiling round, the absolute amount of recoil energy reduction is greater. Roy is really talking about efficiency--brakes are most efficient when used with high-pressure cartridges.]
Installation is Key to Accuracy
Roy’s findings are fascinating and suggest that further study of muzzle brakes is warranted. But we can all agree that precision installation of the brake is essential for accuracy. A poorly-installed, mis-aligned brake will degrade accuracy, that is well-known.
Harrell’s Precision has made thousands of muzzle brakes, in many styles and port arrangements. The Harrell brothers offer some good advice for gunsmiths installing brakes: “Muzzle brakes aren’t magic, they reduce recoil by redirecting exiting gas. What’s important is that they are straight and the threads are perpendicular with the base. The only way to get the base and threads perpendicular is to thread, not tap, them on a lathe.”
Some folks feel that they don’t have to worry about rust and corrosion on stainless steel barrels, actions, and other components. That’s not really true. “Stainless” is a bit of a misnomer. First, there are different types of stainless steel alloys, with different degrees of rust resistance. 300 series stainless is more corrosion resistant than the 416 stainless commonly used in barrels. The composition (by percentage weight) of 416 stainless is 0.15% carbon, 12-14% chromium and the rest iron. 416 stainless steel lacks the roughly 10% nickel content that makes the 300 series more corrosion resistant in atmospheric conditions. But because 416 handles pressure better and is easier to machine (than 300 series steel), 416 stainless remains the better choice for barrels.
Though some grades of stainless are more corrosion-resistent, ALL varieties of stainless steel can rust if they are not handled and stored properly. Forum reader Kells81 observed: “Wanna see some rusted stainless? Go to the big “C” brand store in Ft. Worth. Every stainless gun they have on the used gun rack is rusted.” Tom Easly of TRE Custom explains: “Sweat is very corrosive. Sweat and blood will rust many stainless steels. I hate to handle my guns or drip on them when I sweat. It really helps to just wipe them good with a wet rag, dry and wipe on a light coating of gun oil. I think most stainless barrels are made from type 416 stainless, and it is generally pretty corrosion resistant, but not when exposed to sweat, blood, or chlorates (corrosive priming), and some other electrolytes.”
Forum member Jacob, who is studying materials science at LSU, provides this technical information: “The basic resistance of stainless steel occurs because of its ability to form a protective coating on the metal surface. This coating is a ‘passive’ film which resists further ‘oxidation’ or rusting. The formation of this film is instantaneous in an oxidizing atmosphere such as air, water, or other fluids that contain oxygen. Once the layer has formed, we say that the metal has become ‘passivated’ and the oxidation or ‘rusting’ rate will slow down to less than 0.002″ per year (0.05 mm per year).
Unlike aluminum or silver, this passive film is invisible in stainless steel. It’s created when oxygen combines with the chrome in the stainless to form chrome oxide which is more commonly called ‘ceramic’. This protective oxide or ceramic coating is common to most corrosion resistant materials.
Halogen salts, especially chlorides, easily penetrate this passive film and will allow corrosive attack to occur. The halogens are easy to recognize because they end in the letters ‘ine’. Listed in order of their activity they are: fluorine, chlorine, bromine, iodine, astatine.
These are the same chemicals that will penetrate Teflon and cause trouble with Teflon coated or encapsulated o-rings and/ or similar coated materials. Chlorides are one of the most common elements in nature and if that isn’t bad enough, they’re also soluble, active ions. These provide the basis for electrolytes. The presence of electrolytic solutions can accelerate corrosion or chemical attack.”
CONCLUSION: Stainless steel barrels and components won’t rust nearly as fast as blued steel, but you still have to take precautions — particularly removing sweat and corrosive salts from the barrel. Also, don’t let moisture build up inside or outside of the barrel. We recommend wiping your barrels and actions with Eezox, or Corrosion-X after each use. These are both extremely effective rust-fighters that go on thin, without leaving a greasy residue. (Eezox leaves a clear finish, while Corrosion-X has a slightly waxy finish.) Also store your guns in Bore-Store bags when the guns go in the safe. Bore-Stores wick away moisture, and the synthetic fleece inner surface is treated with rust-fighting chemicals. Bore-Stores also protect your guns against dings and scratches. To discuss how rust can form on stainless steel, visit this FORUM Thread.
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