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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

Permalink Hot Deals, Optics No Comments »
October 2nd, 2013

Lothar Walther Bi-Metal Barrels Are Lighter, and Shed Heat Better

Less weight plus better heat dissipation — Sound good? Here is an innovative barrel technology that promises worthwhile performance benefits for hunters or match shooters. Lothar Walther (LW) has developed a new bi-metal barrel system that cuts weight dramatically while promising significantly-enhanced heat dissipation.

Walther’s Ultra-Lightweight Barrels combine steel with lightweight alloys. This results in a significant weight reduction without the use of carbon fiber, epoxy binders, or other heat-retaining materials. Beginning as an LW50 stainless blank, the barrel is precision-machined to remove excess weight. An outer casing of light-weight alloys is machined and the two are fitted together without adhesives. Basically you end up with the steel inner barrel inside a larger-diameter fluted aluminum outer barrel (see diagram). This gives you the ‘best of both worlds’ — light weight for ease of carry, and thick diameter for rigidity and enhanced heat dissipation. Near the action, the barrel remains all-steel.

The barrels come pre-chambered in your choice of caliber/cartridge, from .22LR up to .338 Lapua Magnum. Walther chambers the barrel — but a gunsmith is still required to finish the shoulder so that the headspace is set correctly for your action. These barrels are not inexpensive. A typical bi-metal Walther Barrel runs $850.00 – $875.00, for barrel lengths from 22″ to 30″. Threading for a muzzle brake or suppressor (if desired) is normally included in that price.

Lothar Walther ultra lightweight bi-metal barrel

Aluminum thermal conductivityWe haven’t tested one of these bi-metal composite barrels, but the potential for significant weight savings is obvious — aluminum is a lot lighter than steel. What’s more, a metals expert we contacted said that a bi-metal system employing fluted aluminum over steel, if assembled properly, could dissipate heat much better than steel alone (given the same diameter). Stainless steel has a thermal conductivity factor of 16. Aluminum has a thermal conductivity factor of 250.*

Our expert also pointed out that some other composite barrel systems on the market actually increase heat retention because they place insulating materials next to the inner steel barrel. (Carbon, Fiberglass, and Epoxy are all considered “insulating substances” as they have very low thermal conductivity*.) The LW system of aluminum over metal should avoid this mistake, our expert believes. Lothar Walther says: “Unlike solid steel barrels, this barrel sheds heat fast. VERY FAST!”

Half the Weight of Conventional Barrels
How much weight can you save? With a 1.200″ shank diameter and a muzzle diameter of 0.850″, the LW Ultra-Lightweight Barrel is less than half the weight of a standard varmint barrel of the same size. Walther claims its UltraLight Barrel can be “carried for long distances and stand up to heavy firing.” This, LW says, makes these barrels “perfect… for varmint and tactical uses”.

Pre-Chambered Ultra-Lightweight Barrels Available in .22 to .338 Calibers
Lothar Walther offers Ultra-Lightweight barrels in a full range of calibers from .22LR to .338. Each Ultra-Lightweight Barrel comes complete with chamber, crown, and breech threads. These barrels are fluted by the factory. If you order a LW Ultra-Lightweight barrel, Lothar Walter provides the services of a specialist trained in building guns with these barrels. To order one of Lothar Walther’s bi-metal barrels, CLICK HERE or contact Lothar Walthar at the address below:

Lothar Walther Precision Tools, Inc.
3425 Hutchinson Rd. – Cumming, GA 30040
Phone: 770-889-9998 | Fax: 770-889-4919
E-Mail: lotharwalther [at] mindspring.com
Website: www.lothar-walther.com

*Thermal conductivity is the quantity of heat transmitted through a unit thickness in a direction normal to a surface of unit area, due to a unit temperature gradient under steady state conditions. The factor values are based on this formula: W/(m.K) = 0.85984 kcal/(hr.m. °C). Here are thermal conductivty values for common materials: Aluminum, 250; Brass, 109; Steel (Carbon 1%), 45; Stainless Steel, 16; Carbon, 1.7; Brick dense, 1.3; Concrete (medium) 0.7; Epoxy, 0.35; Fiberglass, .04.

Story tip from EdLongRange. We welcome reader submissions.
Permalink Gunsmithing, New Product 6 Comments »
October 2nd, 2013

Hornady Auto Charge Powder Dispenser On Sale for $184.46

hornady lnl auto charge powder dispenser amazon.comHere’s a great deal on an electronic powder dispenser/scale unit. Amazon.com now has the Hornady Lock N Load Auto Charge on Sale for just $184.46. That’s a real bargain — these dispensers sell for as much as $250.00 elsewhere.

And here’s another good deal on Hornady’s Auto Charge if you need a range bag as well. Grafs.com is currently offering the Hornady Lock-N-Load Auto Charge powder scale/dispenser for $209.99. To make the deal even sweeter, Grafs.com will include a medium-size range bag for FREE. Hornady says the range bag is worth $34.99, making your effective cost for the Auto Charge around $175.00. CLICK HERE for Dispenser/Range Bag Combo.

While we have a lot of positive experience with the RCBS Chargemaster, we haven’t done any long-term testing of the Hornady AutoCharge. However, user reviews have generally been positive. We suggest you do your own research and then make your own decision. Both the Hornady LnL AutoCharge and RCBS ChargeMaster offer load precision to ±0.1 grains. Both the Hornady Autocharge and the RCBS ChargeMaster are sold with a one-year manufacturers warranty.

Features and Specifications:
  • Scale capacity of 1000 grains
  • Easy-to-operate keypad
  • Large backlit display
  • Automatic and manual dispense options
  • Trickle function
  • Three speed settings
  • Easy Outflow Powder Drain
  • Overcharge protection
  • One-year manufactuer’s warranty

This Youtube video shows the Hornady Lock-N-Load AutoCharge in action.

Permalink Hot Deals, Reloading No Comments »