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March 15th, 2024

Minute of Angle (MOA) Explained by Experts in Videos

one minute of angle

This popular video, viewed 3.6 million times on YouTube, provides a clear explanation of Minute of Angle (MOA) and how that angular measurement is used. Among novice shooters, there is much confusion over this term. In this NSSF Video, Ryan Cleckner, a former Sniper Instructor for the 1st Ranger Battalion, defines the term, “Minute of Angle” (MOA) and explains how you can adjust for windage and elevation using 1/4 or 1/8 MOA clicks on your scope. This allows you to sight-in precisely and compensate for bullet drop at various distances.

For starters, Ryan explains that, when talking about angular degrees, a “minute” is simply 1/60th. So a “Minute of Angle” is simply 1/60th of one degree of a central angle, measured either up and down (for elevation) or side to side (for windage). At 100 yards, 1 MOA equals 1.047″ on the target. This is often rounded to one inch for simplicity. Say, for example, you click up 1 MOA. That is roughly 1 inch at 100 yards, or roughly 4 inches at 400 yards, since the target area measured by 1 MOA increases in linear fashion with the distance.

More Minute of Angle (MOA) Explanatory Videos

This Gunwerks video explains that Minute of Angle subtends approximately 1″ for each 100 yards (well, 1.047″ to be more precise). That means a Minute of Angle increases in actual measured size the greater the distance of the target from the shooter.

This lengthy (24-minute) video defines Minute of Angle, and uses multiple diagrams to illustrate how MOA angular measurements works. The video also how MOA-based click values translate to point-of-impact changes at various distances.

Permalink - Videos, Gear Review, Optics, Tech Tip No Comments »
January 11th, 2023

Minute of Angle (MOA) Defined and Explained by the Experts

one minute of angle

This popular video, viewed 3.4 million times on YouTube, provides a clear explanation of Minute of Angle (MOA) and how that angular measurement is used. Among novice shooters, there is much confusion over this term. In this NSSF Video, Ryan Cleckner, a former Sniper Instructor for the 1st Ranger Battalion, defines the term, “Minute of Angle” (MOA) and explains how you can adjust for windage and elevation using 1/4 or 1/8 MOA clicks on your scope. This allows you to sight-in precisely and compensate for bullet drop at various distances.

For starters, Ryan explains that, when talking about angular degrees, a “minute” is simply 1/60th. So a “Minute of Angle” is simply 1/60th of one degree of a central angle, measured either up and down (for elevation) or side to side (for windage). At 100 yards, 1 MOA equals 1.047″ on the target. This is often rounded to one inch for simplicity. Say, for example, you click up 1 MOA. That is roughly 1 inch at 100 yards, or roughly 4 inches at 400 yards, since the target area measured by 1 MOA increases in linear fashion with the distance.

More Minute of Angle (MOA) Explanatory Videos

This Gunwerks video explains that Minute of Angle subtends approximately 1″ for each 100 yards (well, 1.047″ to be more precise). That means a Minute of Angle increases in actual measured size the greater the distance of the target from the shooter.

This lengthy (24-minute) video defines Minute of Angle, and uses multiple diagrams to illustrate how MOA angular measurements works. The video also how MOA-based click values translate to point-of-impact changes at various distances.

Permalink - Videos, Competition, Shooting Skills 1 Comment »
May 22nd, 2022

What, Exactly is Minute of Angle? Videos Explain MOA

one minute of angle

This popular video, viewed nearly 1.9 million times on YouTube, provides a clear explanation of Minute of Angle (MOA) and how that angular measurement is used. Among novice shooters, there is much confusion over this term. In this NSSF Video, Ryan Cleckner, a former Sniper Instructor for the 1st Ranger Battalion, defines the term, “Minute of Angle” (MOA) and explains how you can adjust for windage and elevation using 1/4 or 1/8 MOA clicks on your scope. This allows you to sight-in precisely and compensate for bullet drop at various distances.

For starters, Ryan explains that, when talking about angular degrees, a “minute” is simply 1/60th. So a “Minute of Angle” is simply 1/60th of one degree of a central angle, measured either up and down (for elevation) or side to side (for windage). At 100 yards, 1 MOA equals 1.047″ on the target. This is often rounded to one inch for simplicity. Say, for example, you click up 1 MOA. That is roughly 1 inch at 100 yards, or roughly 4 inches at 400 yards, since the target area measured by 1 MOA increases in linear fashion with the distance.

More Minute of Angle (MOA) Explanatory Videos

This Gunwerks video explains that Minute of Angle subtends approximately 1″ for each 100 yards (well, 1.047″ to be exact). That means a Minute of Angle increases in actual measured size the greater the distance of the target from the shooter.

This lengthy (24-minute) video defines Minute of Angle, and uses multiple diagrams to illustrate how MOA angular measurements works. The video also how MOA-based click values translate to point-of-impact changes at various distances.

Permalink - Articles, - Videos, Optics, Tech Tip 1 Comment »
September 24th, 2018

Bargain Finder 157: AccurateShooter’s Deals of the Week

Accurateshooter Bargain Finder Deals of Week

At the request of our readers, we provide select “Deals of the Week”. Every Monday morning we offer our Best Bargain selections. Here are some of the best deals on firearms, hardware, reloading components, optics, and shooting accessories. Be aware that sale prices are subject to change, and once clearance inventory is sold, it’s gone for good. You snooze you lose.

1. Natchez — Rock Chucker Supreme Reloading Kit, $279.99

Deals of Week RCBS Rock Chucker Supreme Kit

Everything you see above can be yours for just $279.99. Great Deal. Right now, Natchez is selling the Rock Chucker Supreme Master Reloading Kit for $279.99, a great price considering all the hardware you get: Press, Primer Tool, Scale, Powder Measure, Loading Tray, Reloading Manual and more. Heck, the Rock Chucker press alone is worth $160.00+. This is good starter kit for any reloader with sturdy items (like the Rock Chucker press), that will last a lifetime.

2. Natchez — FREE HazMat on Orders of $99.99 or more

Here’s a very attractive promotion if you need powder and/or primers. Right now Natchez is offering FREE HazMat for orders of $99.99 or more. This can save you $25-$40 on the delivered cost of your order. NOTE: Act soon — this deal expires 9/26/2018 at 11:59 PM and you must use CODE FH180924.

Credit EdLongrange for this tip. He notes: “Natchez … was somewhat vague as to whether you need to get $99.99 of the same product, so I added one each of two different primers and two different powders and the code worked. Natchez has … excellent prices on Federal Gold Medal Match primers, including what used to be really-hard-to-get GM215M.” ORDER HERE.

3. Brownells — Howa .308 Win Full Camo with Scope $652.99

Brownells Howa Hunting rifle kryptec Camo Nikko scope bargain deal hydrodipped

The Howa 1500 Full-Dip Kryptek rifle is purpose-built for hunters who want a full matching camo rifle and scope. This .308 Winchester rig features a pillar-bedded Howa action with 20″ barrel in a quality Hogue stock. On top is a Nikko 4-16x44mm scope with one-inch tube. The entire rifle and scope features a hydro-dipped Kryptek Highlander camo finish which is handsome AND very effective in the field. NOTE: The current Sale Price is $662.99. Use CODE M8Y to save $10 and get FREE Shipping. That lowers your delivered price to $652.99, which includes the Nikko 4-16X scope. All-up weight, with scope, is 10 pounds. Sorry this deal is not currently available in other chamberings — .308 Win only.

4. Amazon — Nikon FX1000 6-24x56mm SFP Scope, $599.99

Amazon nikon X1000 Black scope MOA Mrad SFP second focal plane

We’ve checked out the Nikon Black X1000 series scopes and they offer a lot of performance for the price. On sale now at Amazon for just $599.99 is the second focal plane (SFP) BLACK X1000 6-24x50mm model with X-MOA reticle. A Mil version with 0.1 Mil click and X-MRAD reticle is also available for $646.99. These scopes have very crisp controls and great glass for the money. The MOA version 1/4-MOA click with 12 MOA per revolution and 60 total MOA internal adjustment. The Mil version has 0.1 MilRad clicks with 17 total MRAD internal adjustment travel. On both versions, a side-mounted control offer 10 intensity levels of red illumination.

5. CDNN Holster Sale — Huge Savings — Everything Under $20.00

CDNN Holster deal bargain sale

Currently, CDNN is running a great Holster Liquidation Sale. Every holster in stock is just $19.99, including some models that normally retail for over $85.00. Chose from quality polymer holsters or traditional leather holsters from Mitch Rosen. Many of these holsters are designed for Sig Sauer pistols, but there are holsters for other popular pistol brands as well.

6. Amazon — Plano 52″ Double Rifle Case with Wheels, $109.08

Plano double scoped rifle case with wheels

This Plano Double Scoped Rifle Case is an Amazon Best Seller for good reason. It offers the functionality and durability of an SKB-type hard case for HALF the money. This is under $110.00, while the equivalent SKB is around $240.00, so you can buy two Planos for the price of one SKB. The 51.5″ interior will fit most scoped competition rifles up to about 29″ barrels (measure your own rifle to make sure). If you separate the barreled action from the stock you can transport even ultra-long ELR rifles. The handles are convenient and beefy and the wheels make this case easy to move. This is a very tough, roomy case for the money (plus there’s Free Shipping).

7. Midsouth — Hornady LnL Auto Charge Scale/Dispenser, $158.99

Hornady Lock and load auto charge scale powder dispenser sale discount

The Hornady Lock N Load Auto Charge Electronic Scale/Dispenser is now on sale for just $158.99 at Midsouth Shooters Supply, discounted way down from the regular $226.24 price. That’s the lowest price we’ve seen on this product in a long time, making this a real bargain. If you are looking for an affordable combination digital scale and powder dispenser, this is very attractive pricing. By comparison, the new RCBS ChargeMaster Lite sells for around $250.00 and is back-ordered at most vendors. That means you can save at least $90.00 by buying RED instead of GREEN.

8. Amazon — Neiko Digital Calipers, $16.85

Amazon Neiko Digital Caliper

Even if you have a good set of calipers, you may want to get one of these Neiko 01407A Digital Calipers. The #1 best-selling digital caliper on Amazon.com, this Neiko tool features a large LCD Screen and measures up to 6.0 inches. With over 3000 customer reviews, this product has earned an overall rating of 4.4 out of 5 stars. It’s hard to go wrong for $16.85, even if you just use these as a spare set for measuring group sizes and case trim lengths.

Permalink Bullets, Brass, Ammo, Hot Deals, Optics 1 Comment »
September 1st, 2018

Scopes by Subscription — the New Vulcan Circle Optics Option

Vulcan Circle scope optics membership

How would you like to be able to switch out your scopes every three months, or try out a variety of optics without having to buy and then re-sell (at a big loss). Well the folks at Vulcan Circle have created a new service that is essentially like a “time-share” for optics. You pay a monthly membership fee, and then you can try out different scopes. Vulcan Circle calls this an “Optics Subscription Service”.

Vulcan Circle allows its members to receive and use high-end optics from brands like Vortex, Leupold, and Swarvoski and send them back to receive a new item every 3 months. The Vulcan Circle website shows a wide variety of scopes from trusted brands including Burris, Bushnell, Leupold, Kahles, March, Nightforce, Schmidt & Bender, Trijicon, Vortex, Zeiss, and more.

Vulcan Circle currently has three subscription levels. The basic “Legionary” Membership costs $45 per month for lower-priced scopes. Move up to “Centurion” ($90/month) to get Nightforce NXS, Vortex Razor, and similar optics. Finally, with the “Tribune” membership ($180/month) you can get high-end scopes such as Schimidt & Bender and Swarovski.

Vulcan Circle scope optics membership

Truth about Guns explains: “Think of it as Netflix for your rifle. You’ve had your eye on a Zeiss 5-30×50mm Conquest V6 for your Ruger Precision Rifle, but $1900 is a lot of samolians. Or maybe you’d love to top your Nosler Model 48 with… something like the Steiner 3-15×50-T5Xi for an upcoming hunt. But you don’t want to buy one, you just want to use one for your trip. Vulcan Circle lets you try before you buy, offering various membership options to give you access to different optics[.]”

Vulcan Circle President John Tippets explains: “As interest in shooting sports continues to grow, Vulcan Circle seeks to help those new to the idea familiarize themselves with optics and determine their needs. Instead of purchasing the optic up-front, members have unprecedented access to the most advanced firearm optics on the market. Even better, members can exchange optics every 3 months to experience something else.”

Vulcan Circle also offers a point-based rewards program for its members. The “Vulcan Honors” program allows members to redeem points which are accrued every month for products like tents, binos, rangefinders, YETI coolers, and more. Members are rewarded with points for continued membership and for returning optics on time and in good condition.

EDITOR’s COMMENT: This is an interesting new business model. Time-based rentals of sports/hobby gear have worked in other industries. You can rent a motorcycle, or a bass boat, or an RV after all. The concern we have with Vulcan Circle comes down to potential liability for damage or even normal “wear and tear”. Scopes used on hunting trips or Gun Games can easily get scratched or damaged. If that $3500.00 Schmidt & Bender scope gets busted, who pays? And how much? For those considering a Vulcan Circle membership (at any level), you’ll want to have these and other “financial exposure” questions answered BEFORE you commit.

Permalink New Product, News, Optics 3 Comments »
November 26th, 2016

Super Sale on Nightforce Demo Scopes

Nightforce demo scope bargain

As part of its weekend-long Black Friday Sellathon, EuroOptic.com is offering numerous Nightforce “Demo” scopes at deep discounts. These were typically show models that have seen very little (if any) use. The full Nightforce Lifetime factory warranty still applies to all these demo optics. You can save hundreds of dollars with these Nightforce Demo Deals this weekend. The EuroOptic team tells us: “Most demo items are like new. However, some may have a few marks. Read the description to learn the condition of each product. Call (570) 368-3920 with questions.”

There are twenty or so Nightforce demo scopes on sale. Here are three representative examples. To see all the Demo Scopes, CLICK THIS LINK. Then, from the Black Friday II Page, click the “NF Demo Riflescopes” button.

Nightforce demo scope bargain

Permalink Hot Deals, Optics No Comments »
March 8th, 2016

Air Travel with Guns — Expert Advice from Security Professional

Airport security travel bag check-in O'hare TSA

Before he retired, Forum member Ron D. served as a Police Officer assigned to Chicago’s O’Hare airport. Ron offers some excellent advice for shooters traveling with firearms and expensive optics.

gun transport caseFirst, Ron explains that airport thieves can spot bags containing firearms no matter how they are packaged: “Don’t think you’re safe if your guns are placed in cases designed for golf clubs or trade show items. Baggage is X-Rayed now and cases are tagged with a special bar code if they contain firearms. It doesn’t take long for bad guys to figure out the bar coding for firearms.”

Carry-On Your Scopes and Expensive Items
Ron advises travelers to avoid placing very expensive items in checked baggage: “When traveling by air, carry on your rangefinder, spotting scope, rifle scope, medications, camera, etc. You would be surprised at the amount of people that carry-on jeans and shirts, but put expensive items in checked baggage. Better to loose three pairs of jeans than some expensive glass.”

Mark Bags to Avoid Confusion
Ron notes that carry-on bags are often lost because so many carry-on cases look the same. Ron reports: “People do accidentally remove the wrong bag repeatedly. I frequently heard the comment, ‘But it looks just like my bag.’ When de-planing, keep an eye on what comes out of the overhead that your bag is in. It’s easy to get distracted by someone that has been sitting next to you the whole flight. I tie two streamers of red surveyors’ tape on my carry-on bag.” You can also use paint or decals to make your carry-on bag more distinctive.

Choosing a Rifle Transport Case
Ron advises: “Buy the best [rifle case] that you can afford. Don’t cry when your $3,000+ Benchrest rifle has a cracked stock or broken scope. Think about what it would be like to travel across the country (e.g. to Montana or the Cactus Classic) and arrive with a damaged rifle. Remember the Samsonite commercial. (For you younger shooters, it shows a monkey throwing the suitcase around in his cage at the zoo.) Baggage handling is NOT a fine art. There is no guarantee that your rifle case will be on top of all the other baggage. Then there is shifting of baggage in the belly of the plane. Ponder that for a while. Rifle and pistol cases must be locked. It doesn’t take a Rocket Scientist to figure out that a simple pry tool will open most case locks. There is not much that you can do to disguise a rifle case. It is what it is, and opportunists know this. Among thieves, it doesn’t take long for the word to get around about a NEW type of case.”

gun transport case

General Advice for Air Travelers
Ron cautions: “Keep your hands on your items before boarding. One of the most often heard comments from theft victims was, ‘I just put my computer down for a minute while I was on the phone.’ Also, get to the baggage claim area quickly. If your family/friends can meet you there, so can the opportunists. Things do get lost in the claim area. Don’t be a Victim. Forewarned is forearmed.”

Permalink - Articles, Tech Tip 2 Comments »
January 9th, 2016

CMP Releases New 2016 Rulebooks

CMP Rules 2016 Rulebook service Rifle Changes
The most important 2016 CMP rule change allows 4.5X (max) optical sights for Service Rifle shooting.

The new 2016 rulebooks for CMP-governed Service Rifle, Pistol and CMP Games shooting events have just been released. There are some very important changes for 2016, including the authorization of scopes for Service Rifle competition. You can download the new Rulebooks for free with the links below. NOTE: The most important 2016 Rules changes are indicated with underlined text in the new Rulebooks.

Download: 2016 CMP Competition Rules for Service Rifle and Pistol (20th Edition).
Download: 2016 Competition Rules for CMP Games Rifle and Pistol Matches (4th Edition).

CMP Rules 2016 Rulebook service Rifle ChangesThe big rule changes in the 2016 CMP competition rules concern the modernization of CMP Service Rifle standards. Starting in 2016, Service Rifle competitors will be able to choose between service rifles with traditional metallic sights or rifles with telescopes with a maximum of 4.5X magnification. These scopes may be fixed-power or variable, with max 4.5 power zoom. This rule change was coordinated with a similar rule change adopted by the NRA.

The CMP states: “The decision to legalize optical sights on service rifles was taken after several years of discussion and a recognition that U.S. military personnel no longer use anything but optical sights on their military rifles. CMP Service Rifle rules have traditionally tried to keep abreast of military rifle and training developments so opening Service Rifle shooting to optical sights became an inevitable change. To quote one comment received by the CMP, “It is very difficult now to say that as-issued ‘AR-15 or M16′ does not include telescopes.”

Another major change in the CMP Service Rifle rules will allow the use of a much wider variety of M16/AR15-type rifles. Legal service rifles will no longer be restricted to rifles that rigidly comply with the M16 service rifle profile. Starting in 2016, Service Rifles can be any “M16 U. S. Service Rifle or a similar AR15 type commercial rifle that is derived from the M16 service rifle design” and that complies with these restrictions:

  • Chambered for the 5.56 x 45 mm (.223) NATO cartridge.
  • Designed or modified for semi-automatic fire only.
  • Have either a gas-impingement system or a piston-operated gas system.
  • Have a barrel that is no longer than 20 inches, or 21 5/8 inches if the barrel has a flash suppressor.
  • Must use the same upper receiver and barrel for the entire match.
  • Have a trigger pull of at least 4.5 pounds.
  • Quad rails or similar hand guards are permitted, but the front sling swivel location must be fixed at 13 ¼ inches (+/- ½ in.) ahead of the forward edge of the magazine well (8.0 inches on M4 configured rifles).
  • Use standard service magazines or commercial equivalents.
  • Have a fixed or collapsible butt-stock that may vary in length and even be adjusted between firing stages. Butt-plates or cheek-pieces may not, however, be adjustable.
  • Have a standard A1 or A2 pistol grip.
  • Extended bolt releases and mirror-image left-hand receivers will be permitted.

No Weight Limit For Service Rifles
Before issuing its new rules, the CMP solicited comments. A substantial majority of competitors’ comments supported allowing optical sights and the broadening of the Service Rifle rule. The one rule change that most shooters opposed was a proposed weight limit for Service Rifles with optical sights. After considering these comments, the CMP Rules Committee rejected the the Service Rifle weight limit proposal. Accordingly, in 2016, there will be no weight limits for Service Rifles, whether they have optical or metallic sights.

Iron Sights and Optics Will Compete in the Same Class
The CMP considered having optics-equipped Service Rifles in a separate classification. That idea was rejected. So, for 2016 there will be ONE CLASS for all Service Rifles (both iron-sighted and scoped). The CMP observed that “the arguments for having one unified competitor category competing together for EIC points and Distinguished Badges prevailed. Having separate categories and one Distinguished Badge would have created nightmare administrative challenges. Having two categories and separate Distinguished Rifleman Badges for optical and metallic sighted rifles would have become a formula for diminishing the prestige of the traditional Distinguished Rifleman Badge. The final CMP decision was to keep one strong, unified Service Rifle event instead of two smaller categories[.]”

Rule Change Concerning Malfunctions (No more Alibis)
Another major Service Rifle rule change will abolish allowing extra time or refires for malfunctions. This change will save time because malfunction refires effectively double the length of time needed for rapid-fire relays in big matches. The main reason for this change is to place more responsibility on competitors for having rifles and ammunition that function with complete reliability. Comments received by the CMP concerning this change showed that it is controversial, but a majority of shooters supported the change. One shooter wrote: “The elimination of “alibis” is long overdue. It was always most frustrating to me when it takes longer to shoot rapid fire than slow fire.”

Story Tip by Shiraz Balolia of Bullets.com. We welcome reader submissions.
Permalink Competition, News 8 Comments »
December 1st, 2015

TEN TIPS for Winter Firearms Storage

winter gun storage tips

It’s December already. That means winter has definitely arrived — no doubt about it. If you plan to put away all or some of your firearms for the winter, here are TEN Tips for winterizing your firearms.

Barrel Crown1. Bore Cleaning and Coating — Clean your barrels and neutralize any solvents you may have used. Then run a couple patches with a corrosion-fighter down the bore. We recommend Eezox or CorrosionX. Eezox leaves a glossy dry film shield with excellent rust resistance. CorrosionX is more like a conventional oil, but with special anti-rust additives. Other products may work well too. Just be wary of the “all in one” products that have a strong solvent, and don’t use any fluid that contains ammonia — this can actually promote corrosion. Here’s a test of various anti-corrosion products: Rust Block Comparison Test.

2. Crown Inspections — After cleaning the barrel, inspect the crown with a magnifying glass. If you see any unusual wear, abrasion, or “shark’s teeth” at the very outer edge of the rifling, make a note — it may be wise to recrown the barrel next spring. Before you place your rifle in the safe, we recommend putting a piece of electrical tape or blue masking tape loosely over the muzzle to protect the crown. This is just to protect the delicate crown during handling — you are NOT trying to seal off the bore.

Bore-Store Gun Sacks3. Optics Storage — If your gunsafe is crowded, you may wish to remove the optics and rings from your rifles before winter storage. You can use a white crayon to mark the ring position (on the rail) for next season. We recommend that you store your optics inside a warm part of your house, where temperatures and humidity are relatively stable.

4. Trigger Group — Inspect your trigger assembly. Trigger housings accumulate dirt, grit, and oily gunk over the course of a season. If you have some basic mechanical skills, you may wish to remove the trigger from the hanger and clean it per the manufacturer’s recommendations. Don’t flood it with any kind of thick oil.

5. Bolt and Action — Clean the gunk off your bolt and raceway in your receiver. Put a thin coat of anti-corrosion product on the bolt, and re-grease the lugs and camming surfaces as recommended by the manufacturer. Don’t forget the fasteners and pins on the action and scope rail — these may not be stainless even if you have a stainless steel receiver.

Bore-Store Gun Sacks6. Use Thin Gloves — When oiling firearms during the winterization process, we recommend you wear thin latex or nitrile gloves. This will prevent you from leaving skin oils and acids that can actually promote corrosion. This will also protect YOU from any chemicals in the corrosion-blockers you put on your guns.

7. Applying Surface Protectants — For blued firearms, put Eesox or other rust-fighter on a cloth and wipe the barrel and exposed metal. Eezox works best with a couple light coats. Don’t forget iron sights, bottom metal, trigger guards, bolt handles, and sling swivels — they can rust too if not protected. Use Q-Tips or small swabs to reach small, internal parts.

Bore-Store Gun Sacks8. Use Gun Sacks — We put rifles and pistols in Bore-Store Gun sleeves. These thick, synthetic-fleece sacks cushion your guns, preventing nicks and scratches. The breathable fabric wicks away moisture, and the fibers are coated with corrosion inhibitors to help fight rust. Bore-Stores are offered in a wide range of sizes, so you can find something to fit everything from a Snub-nosed revolver to a 32″-barrelled 50 BMG. Rifle-size Bore Stores can be purchased for $9.00 – $22.00 from Brownells.com or Amazon.com. While we prefer Bore-Stores for regularly-used guns, if you have heirloom firearms that will be kept in storage for very long periods without seeing any use, you may want to grease them up and place them in the thin, but rugged three-layer storage bags sold by Brownells. Here’s one VITAL bit of advice for using these bags. Be absolutely sure, before you seal up the bags, that your guns are DRY and that all metal surfaces have been coated with an effective rust-blocker, such as BoeShield T9 or Eezox.

Foam-lined hard case9. Take Your Guns OUT of Foam-lined Cases — These common foam-lined cases are Rust Magnets. This may be the most important Tip in this article. Just about the worst thing you can do in the winter (short of leaving your rifle outside in the rain) is to store firearms in tight, foam-padded cases. The foam in these cases actually collects and retains moisture from the air, acting as the perfect breeding ground for rust. Remember, those plastic-shelled cases with foam interiors are for transport, not for long-term storage.

10. Make Your Gun Safe Ready for Winter — If you don’t have a Goldenrod (or equivalent), buy one. Sold as a “dehumidifier”, the Goldenrod is a simple electrical element that can maintain temperature in your gun vault. This helps prevent moisture in the air from condensing on your guns. A small incandescent light-bulb can help as well (just make sure it cannot touch any flammable fabrics or objects). In addition, you may want to purchase Dessicant packs to put inside the safe to absorb moisture. If you have an electronic keypad for your safe, we recommend replacing the batteries at least once a year.

Permalink News 4 Comments »
June 29th, 2014

When Good Scopes Go Bad — Making the Difficult Diagnosis

Riflescopes are mechanical contraptions. One of the sad realities about precision shooting is that, sooner or later, you will experience a scope failure. If you’re lucky it won’t happen in the middle of a National-level competition. And hopefully the failure will be dramatic and unmistakable so you won’t spend months trying to isolate the issue. Unfortunately, scope problems can be erratic or hard to diagnose. You may find yourself with unexplained flyers or a slight degradation of accuracy and you won’t know how to diagnose the problem. And when a 1/8th-MOA-click scope starts failing, it may be hard to recognize the fault immediately, because the POI change may be slight.

When An Expensive Scope Goes Bad
Recently, this editor had a major-brand 8-25x50mm scope go bad. How did I know I had a problem? Well the first sign was a wild “drop-down” flyer at a 600-yard match. After shooting a two-target relay, I took a look at my targets. My first 5-shot group had five shots, fairly well centered, in about 2.2″. Pretty good. Everything was operating fine. Then I looked at the second target. My eye was drawn to four shots, all centered in the 10 Ring, measuring about 2.4″. But then I saw the fifth shot. It was a good 18″ low, straight down from the X. And I really mean straight down — if you drew a plumb line down from the center of the X, it would pass almost through the fifth shot.

That was disconcerting, but since I had never had any trouble with this scope before, I assumed it was a load problem (too little powder?), or simple driver error (maybe I flinched or yanked the trigger?). Accordingly, I didn’t do anything about the scope, figuring the problem was me or the load.

Riflescope Repairs

But, at the next range session, things went downhill fast. In three shots, I did manage to get on steel at 600, with my normal come-up for that distance. Everything seemed fine. So then I switched to paper. We had a buddy in the pits with a walkie-talkie and he radioed that he couldn’t see any bullet holes in the paper after five shots. My spotter said he thought the bullets were impacting in the dirt, just below the paper. OK, I thought, we’ll add 3 MOA up (12 clicks), and that should raise POI 18″ and I should be on paper, near center. That didn’t work — now the bullets were impacting in the berm ABOVE the target frame. The POI had changed over 48″ (8 MOA). (And no I didn’t click too far — I clicked slowly, counting each click out loud as I adjusted the elevation.) OK, to compensate now I took off 8 clicks which should be 2 MOA or 12″. No joy. The POI dropped about 24″ (4 MOA) and the POI also moved moved 18″ right, to the edge of the target.

Riflescope RepairsFor the next 20 shots, we kept “chasing center” trying to get the gun zeroed at 600 yards. We never did. After burning a lot of ammo, we gave up. Before stowing the gun for the trip home, I dialed back to my 100-yard zero, which is my normal practice (it’s 47 clicks down from 600-yard zero). I immediately noticed that the “feel” of the elevation knob didn’t seem right. Even though I was pretty much in the center of my elevation (I have a +20 MOA scope mount), the clicks felt really tight — as they do when you’re at the very limit of travel. There was a lot of resistance in the clicks and they didn’t seem to move the right amount. And it seemed that I’d have four or five clicks that were “bunched up” with a lot of resistance, and then the next click would have almost no resistance and seem to jump. It’s hard to describe, but it was like winding a spring that erratically moved from tight to very loose.

At this point I announced to my shooting buddies: “I think the scope has taken a dump.” I let one buddy work the elevation knob a bit. “That feels weird,” he said: “the clicks aren’t consistent… first it doesn’t want to move, then the clicks jump too easily.”

Convinced that I had a real problem, the scope was packed up and shipped to the manufacturer. So, was I hallucinating? Was my problem really just driver error? I’ve heard plenty of stories about guys who sent scopes in for repair, only to receive their optics back with a terse note saying: “Scope passed inspection and function test 100%. No repairs needed”. So, was my scope really FUBAR? You bet it was. When the scope came back from the factory, the Repair Record stated that nearly all the internal mechanicals had been replaced or fixed: “Replaced Adjustment Elevation; Replaced Adjustment Windage; Reworked Erector System; Reworked Selector; Reworked Parallax Control.”

How to Diagnose Scope Problems
When you see your groups open up, there’s a very good chance this is due to poor wind-reading, or other “driver error”. But my experience showed me that sometimes scopes do go bad. When your accuracy degrades without any other reasonable explanation, the cause of the problem may well be your optics. Here are some of the “symptoms” of scope troubles:

1. Large shot-to-shot variance in Point of Impact with known accurate loads.
2. Uneven tracking (either vertical or horizontal).
3. Change of Point of Impact does not correspond to click inputs.
4. Inability to zero in reasonable number of shots.
5. Unexpected changes in needed click values (compared to previous come-ups).
6. Visible shift in reticle from center of view.
7. Changed “feel” or resistance when clicking; or uneven click-to-click “feel”.
8. Inability to set parallax to achieve sharpness.
9. Turrets or other controls feel wobbly or loose.
10. Internal scope components rattle when gun is moved.

Source of Problem Unknown, but I Have a Theory
Although my scope came with a slightly canted reticle from the factory, it had otherwise functioned without a hitch for many years. I was able to go back and forth between 100-yard zero and 600-yard zero with perfect repeatability for over five years. I had confidence in that scope. Why did it fail when it did? My theory is side-loading on the turrets. I used to carry the gun in a thick soft case. I recently switched to an aluminum-sided hard case that has pretty dense egg-crate foam inside. I noticed it took some effort to close the case, though it was more than big enough, width-wise, to hold the gun. My thinking is that the foam wasn’t compressing enough, resulting in a side-load on the windage turret when the case was clamped shut. This is just my best guess; it may not be the real source of the problem. Remember, as I explained in the beginning of this story, sometimes scopes — just like any mechanical system — simply stop working for no apparent reason.

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October 2nd, 2013

Get a $300.00 Kelbly’s Credit When You Buy a March Scope

kelbly.com kelbly's march scope scale $300 credit promoThe good folks at Kelbly’s have announced a great October sales promotion. If you buy a March scope — any March scope in stock — you’ll earn a $300.00 credit that can be used to purchase any other products Kelbly’s sells. That includes rings, reloading gear, bullets, and many more items you’ll find at www.Kelbly.com.

Jim Kelbly explains how this works:

“For the month of October only, buy a March Scope in stock and get $300.00 of credit towards Kelbly’s products and the Kelbly’s store. Kelbly’s now carries a number of reloading products and bullets. The credit can be used same day as scope purchase to get scope rings or anything else we sell. This sale is for any March Scope in stock. With over 150 scopes in stock there is a great selection of scopes. If you would like to see a inventory of scopes just email us and we will send [that] to you. If you have any questions just email or call. NOTE: Scopes will only be sold to U.S. citizens and shipped to U.S. addresses.”

For more information, email jim[at]kelbly.com or call (330) 683-4674 and ask about the October Promo.

kelbly.com kelbly's march scope scale $300 credit promo

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September 6th, 2013

ATK Acquires Bushnell Group Holdings for $985 Million

ATK Alliant Techsystems buys Bushnell Bolle Hoppes Weaver RCBS CCIIt’s official — ATK is acquiring Bushnell — for a whopping $985 million. ATK (Alliant Techsystems) has executed a definitive agreement to acquire Bushnell Group Holdings, Inc., a leading maker of branded sports optics, outdoor accessories, and eyewear. In addition to rifle scopes, Bushnell makes rangefinders, binoculars, spotting scopes, GPS units, sunglasses, and more. Bushnell sells a myriad of other products for outdoorsmen through its brands Simmons, Tasco, Millet, Butler Creek, Bollé, Serengeti, Hoppe’s, Night Optics, Primos, Stoney Point, Hoppe’s, and Uncle Mike’s.

Under the terms of the transaction, ATK will pay $985 million in cash, subject to customary post-closing adjustments. Bushnell’s projected sales for calendar 2013 are approximately $600 million. ATK will finance the acquisition through a combination of $900 million of secured financing, borrowings under its existing revolving credit facility, and cash on hand. The transaction is subject to regulatory approvals and customary closing conditions. ATK anticipates closing the transaction in the third or fourth quarter of its Fiscal Year 2014.

Mark DeYoung, ATK President and CEO states: “This [Bushnell] acquisition will broaden our existing capabilities in the commercial shooting sports and expand our portfolio of branded shooting sports products. In addition, this transaction will allow the company to effectively enter new sporting markets in golf, snow skiing and camping.”

Bushnell markets 19 outdoor brands in sports optics, outdoor accessories and performance eyewear, including the Bushnell brand and other notable brands such as Primos, Bollé, Hoppe’s, Uncle Mike’s, Butler Creek, and Serengeti. Founded in 1948, Bushnell is headquartered in Overland Park, Kansas and employs approximately 1,100 workers worldwide.

Bushnell Will Become Part of ATK’s Sporting Group of Companies
ATK will integrate Bushnell into its Sporting Group within its existing accessories business. ATK Sporting Group’s ammunition brands include Federal Premium, CCI, Fusion, Speer, Estate Cartridge and Blazer. ATK’s accessories brands include Alliant Powder, RCBS, Weaver Optics, BLACKHAWK!, Champion, Outers, and Gunslick Pro. In June 2013, ATK acquired Savage Sports Corporation, adding centerfire and rimfire rifles, shotguns and shooting range systems used for hunting, competitive and recreational shooting to its product offering.

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