We are often asked: “What size neck bushing is best for Lapua 6mmBR brass in a ‘no-turn’ chamber?” The questioner planned to purchase a Redding Type ‘S’ full-length sizing die with neck bushings. The quick answer is that one should probably get both 0.265 and 0.266 bushings and see what works best. With the current “blue box” Lapua brass, a loaded 6BR round with an unturned neck will typically run about 0.268″ (depending on the bullet). A 0.266″ neck bushing, after springback, will give about 0.0015″ tension which can work well in a bolt gun. In a gas gun, we recommend running .003″ (or more) neck tension.
Alternative to Bushings — Honed Full-Length dies
Conventional, non-bushing full-length sizing dies can create ultra-accurate ammo with very low run-out. For some applications, we prefer a non-bushing FL die over a bushing die — so long as the neck tension is correct. But many FL dies have an undersized neck diameter so you end up with excess neck tension, and you work the brass excessively. Forster offers a simple, inexpensive solution — honing the neck diameter to whatever size you want.
If you purchase a Forster non-bushing, full-length sizing die, Forster will hone the neck dimension to your specs for about $10.00 extra. This way you can have a FL die that provides the right amount of tension for your particular load. Forster dies are relatively inexpensive so you can afford to have a couple of FL dies with necks honed to different diameters — such as 0.265″ and 0.266″ for a no-turn 6mmBR. The die itself is very affordable — currently Sinclair Int’l charges $33.95 for a Forster 6mmBR full-length sizing die (item FP6BRFL).
Forster FL dies, necks honed to .265″, .266″, and .267″.
Steve Rasmussen of IowaHighPower.com gave this a try. In fact, he had three dies made — each with a different neck dimension. Here’s his report: “My original Forster 6BR FL die sized the necks down a lot, less than 0.260″, .256″ if I recall correctly. I sent my die in and asked if they could supply two more FL dies (for three total) to have the necks honed to 0.265″, 0.266″, and 0.267″. The cost was $10 for my supplied die and $38.50 plus $10.00 honing fee for each additional die. Return shipping was $11.00 via USPS Priority Mail.”
The table below shows the neck diameter range of ten (10) sized cases using each die. Brass springback after sizing runs 1 to 1.3 thousandths. Steve was using the older, “brown box” Lapua brass with thicker necks so he needed the .267″ bushing. The older Lapua 6mmBR brass measures about 0.2695″ with bullet in place. Steve explained: “My loaded rounds are running 0.2697-0.2699 using [brown box] Lapua 6BR brass. So far the dies are working well. I sized 80 cases with the 0.266″ necked die. The shoulder is running 0.4582″ and 0.300″ up from the base is 0.4684″. I spun 20 of ‘em and 16 had a runout of one thousandth (0.001) and the other 4 at 1.5 thousandths (0.0015).” That shows that these honed Forster FL dies produce exceptionally straight sized cases.
Video Report by Robert Whitley Redding Reloading Equipment unveiled some new products at the 2012 SHOT Show. In this video, Dave Dibble, staff engineer for Redding, showcases some of Redding’s new items. These include the new small-caliber drop tube adapter, the Micrometer Seating Stem Retrofit kit, and Redding’s New Imperial BioGreen Case Lubricant (for pad application).
17-20 Caliber Drop Tube Adapter
This is a Lexan replacement fitting that goes on the bottom of a Redding powder measure drop tube to provide a better fit on small cases. The adapter is a simple friction fit and works with all Redding powder measures and the Redding powder funnel. The adapter simply slides onto the existing drop tube. The adapter should fit any Redding drop tube of 1960s vintage or newer.
Micrometer Seating Stem Retrofit Kit
Redding offers a unit that upgrades existing Redding standard seating dies to a micrometer-top seating die, with hash marks corresponding to .001″ (one-thousandth) movements in bullet seating depth. Note, before you order, check the part number on top of your existing standard seating die, and find the corresponding upgrade kit.
Imperial Bio-Green Case Lube
This new, non-petroleum lube, said to be “as slippery as traditional Imperial Die Wax”, can be used on any pad type-lubricant applicator. Clean-up is easy because the lube is water-soluble and the lube won’t stain your brass. Redding recommends this for folks who use ultrasonic cleaners as there is no petroleum to contaminate the ultra-sonic cleaning solution. Redding says reloaders should be able to “clean a lot more cases before changing the [ultrasonic] fluid.”
Well folks, the new Redding Micrometer Seating Stems for standard Redding seating dies are finally shipping. Robin Sharpless, Redding’s Executive VP, confirmed that “these Seating Stems started shipping this month, by the hundreds. MidwayUSA, Grafs, Midsouth — all the major vendors are getting inventory.” We confirmed that MidwayUSA now has, in stock, the Micrometer Seating Stems for .204 Ruger, .223 Rem, 22 PPC, 22-250 Rem, .243 Win, .308 Win, .284 Win, .30-06, and .338 Lapua Magnum, plus many other calibers. (One model Seating Stem can often work for multiple cartridge types of the same caliber.) MidwayUSA is charging $42.99 for both the regular and VLD-style seater stems.
Micrometer Seating Stems Retro-Fit to Redding’s Standard Seating Dies
The big advantage of these new Seating Stems is that you can get the additional control and precision of a micrometer top by simply upgrading your existing dies at about half the cost of a new, complete Competition Seater Die. NOTE: the Seating Stem assemblies are a component of the bullet seating die. These are not the dies themselves. It is the top portion of the die that contains the plunger, which pushes the bullet into the case. The micrometer is graduated in increments of 0.001″ to assure precise seating depth control. The Seating Stems feature a dead stop on the threads allowing full repeatability even if changed from one die to another. NOTE: These Micrometer seating stems are direct replacements for the original stems. To comfirm die compatibility,the stem numbers match the numbers stamped on the tops of the original seat plug which was shipped with your standard seating dies.
The new Redding Micro Precision Seating Stems are available for both standard bullet shapes as well as VLD Bullets. These allow the user to accurately seat the longer-nosed VLD-style projectiles.
The 6mmBRX (6BRX) is an outstanding cartridge that has set world records and harvested many trophies. Just last week Peter White used his 6BRX to win the NBRSA 600-yard Nationals convincingly. Peter loves his 6BRX, but he has one gripe — he must use two different dies to size his cases because a standard 6mmBR die won’t reach down far enough. White uses a .308 Win or .243 Win die to size the bottom of his 6BRX case then finishes up with his 6mmBR FL bushing die.
Redding 6BRX Dies Available Soon
Now 6BRX shooters have a single-step solution — Redding 6BRX dies. Robert Whitley has commissioned a special run of Redding 6BRX dies. Robert will offer a Redding Type ‘S’ full-length sizing die that will size the whole case, with bushing control over the neck. What’s more, Redding 6BRX micrometer-top Comp Seaters will also be available. Robert, who runs 6mmAR.com, expects these special-order Redding 6BRX dies to arrive within a few weeks. This is a very limited run of 6BRX dies, and Redding is not currently selling them through other sources. So if you want a Redding 6BRX Type ‘S’ FL sizer or Comp Seater die, you’d better contact Robert soon. Order through:
6BRX Cartridge Basics
The 6BRX is a modified version of the 6mmBR Norma case. The 6BRX has the shoulder blown forward about 0.100″, but it retains the same 30° shoulder angle of the parent case, and the same sidewall angle. You can use “normal” 6mmBR dies for the 6BRX — that’s one of its appealing factors — but the 6mmBR full-length sizer will miss part of the bottom of the case down near the web.
To compensate for this, many 6BRX shooters full-length size their brass first with a .308 Win or .243 Win FL Die, and then switch to a 6BR die. That system works, but it creates unnecessary steps. With a dedicated 6BRX sizing die, you can size the whole case in one pass, so you don’t need to use two dies. The $89.95 Redding Type ‘S’ Full-length bushing die sold by Whitley is one-die sizing solution that works. Whitley will also offer a package of the 6BRX Type ‘S’ FL sizing die plus a Redding Comp Seater for $199.95. That gives you a complete set of dies for your 6BRX wildcat.
Redding has introduced a new series of Bullet Seating Micrometers (aka Micrometer Bullet Seater Plug Replacements). These can be retro-fitted into standard Redding seater dies with 1/2-20 thousandths threads, replacing the standard dies’ seater plugs. So, for about forty bucks, you can now make your standard Redding seater die into a Micrometer Seater — and you can swap one Micrometer Seater top among a variety of dies in the same caliber class (such as .223 to 22-250). Notably, the new Bullet Seating Micrometers are offered in two different configurations — one for traditional bullet shapes, and another for VLD bullets. Redding’s new Bullet Seating Micrometers are priced at $48.90 MSRP, but expect to see an initial “street price” of about $37.00-$39.00.
VLD Version of Micrometer Fits Berger Bullets
Eric Stecker of Berger Bullets stated: “I spoke with Redding and confirmed that the new VLD-Version Micrometer plugs are specifically designed for Berger VLD bullets. We provided all of our VLD bullets to them from which they took deliberate measurements and made these new plugs. This is news that needs to be shared with anyone shooting Berger VLD bullets.”
Bad News: You Need Different Micrometer Units for VLD and Non-VLD Bullets
Unfortunately, the Micrometer Seater Plug Replacement is ALL ONE UNIT. You cannot interchange VLD and non-VLD seater stems inside a given Bullet Seating Micrometer. You have to buy one of each (one Micrometer unit for VLD bullets and another Micrometer unit for standard bullets). Likewise, you cannot swap in larger or smaller diameter seater stems to make one Bullet Seating Micrometer head work with dies for widely different bullet diameters. That means you can’t buy one Micrometer head and use it in both a .223 Rem Seater Die and a 30-06 die, for example. You have to stay within the same die class, as explained next.
Good News: Bullet Seating Micrometer — Use in Multiple Dies
As long as you stick with the same seater die class, one Bullet Seating Micrometer can be used on multiple dies. In practical terms, you can usually (but not always) use the same Micrometer assembly on multiple dies within the same caliber family. And when you move the Micrometer unit from one die to another, all you need to record is the Micrometer setting. Look at the photo — the knurled ring at the bottom of the black replacement plug is a dead-stop collar that does not move. That means the lower section of the Micrometer always maintains the same position relative to the die when installed. When moving the Micrometer plug from one die to another, simply adjust the Micrometer knob to the proper setting for that cartridge/bullet. Each hash mark represents an .001″ change in seating depth.
There are sixteen (16) part numbers for the new Bullet Seating Micrometers. These correspond to the VLD and Standard versions for eight (8) different classes of Redding seater dies. To see which Micrometer replacement you need, look for the number on the top of your standard Redding seater, and find that in the right-most column. Then chose whether you want the standard or VLD version (shown in columns one and two on the same line).
Editor’s Comment: We like that fact that Redding is offering these retro-fit Micrometer Seater Plug Replacements. And it’s great that the buyer has a choice between VLD and non-VLD styles. However, we think the lack of interchangeability of bullet seater stems is going to be a “deal-breaker” for many shoppers. Redding obviously wants to sell as many Micrometer Seater Plugs as possible. It doesn’t want you to be able to buy one $40 Replacement plug and use that one product for a half-dozen or more calibers. That’s to be expected. However, we think that, for a given cartridge/caliber, Redding should have engineered the Micrometer Bullet Seater Plug Replacement with swappable seating stems so that one $40 Micrometer head could seat BOTH VLD and non-VLD bullets… at least for that cartridge/caliber.
Here’s good news for .338 LM, .416 CheyTac, and .50 BMG Shooters — No longer will you need to make double throws with a manual powder measure, just to get enough powder to fill your case. Redding Reloading has introduced a NEW high-capacity powder measure that can pump out up to 140 grains of powder with a single throw. The new Redding LR-1000 measure features an all new-metering chamber capable of producing accurate powder drops of up to 140 grains.
Consider that a .338 Lapua Magnum typically uses about 100 grains of powder. With Redding’s new LR-1000 measure,you can fill the case with one throw and still stay within the optimal (middle third) “sweet spot” of the measure’s capacity. This will yield better results, as Redding explains: “[Large Cartridge Shooters] have been forced to resort to double powder drops or working at the very outer limits of a measure’s capacity to throw the needed quantity of powder for these big cases. Neither practice represents the best solution.”
LR-1000 Large Capacity Measure Specs
The LR-1000 features cast iron construction with a hard chromed rotor and cutting edge. Note that the hemispherical cup at the base of the metering chamber reduces bridging with extruded powders, even with small throw volumes. The LR-1000 ships complete with jumbo-sized powder reservoir, powder baffle and a zero-backlash micrometer. For more info, visit Redding-Reloading.com, specifically the Media Center Page (click on “2011 Press Kit”).
With the high cost of manufactured ammunition, the reloading market continues to grow, and Redding Reloading is growing with it. With the goal of doubling its production capacity, Redding has invested over $1,000,000 in the past two years in new equipment. Just this month, Redding added two more American-made CNC machines. These latest machines complete Phase One of Redding’s strategic growth plan.
Redding Expands Its New York Production Facility
At a time when some historic firearms factories (such as the Marlin plant in North Haven, CT) are shutting their doors, Redding is buying land and putting up new buildings. As Phase Two of Redding’s growth plan, the company is acquiring adjacent real property to expand Redding’s manufacturing facility. The planned physical plant expansion begins in late summer, 2010. This will add an additional 40% of dedicated production and warehousing space to the company’s current facility in Upstate New York. For more information, contact Redding Reloading Equipment, 1089 Starr Road, Cortland, NY 13045, or visit Redding-Reloading.com.
We are often asked: “What size neck bushing is best for Lapua 6mmBR brass in a ‘no-turn’ chamber?” The questioner planned to purchase a Redding Type ‘S’ full-length sizing die with neck bushings. The quick answer is that one should probably get both 0.265 and 0.266 bushings and see what works best. With the current “blue box” Lapua brass, a loaded 6BR round with an unturned neck will typically run about 0.268″ (depending on the bullet). A 0.266″ neck bushing, after springback, will give about 0.0015″ tension which can work well in a bolt gun. In a gas gun, we recommend running .003″ (or more) neck tension.
17-20 Caliber Drop Tube Adapter
Redding 6BRX Dies Available Soon
6BRX Cartridge Basics
Redding has introduced a new series of Bullet Seating Micrometers (aka Micrometer Bullet Seater Plug Replacements). These can be retro-fitted into standard Redding seater dies with 1/2-20 thousandths threads, replacing the standard dies’ seater plugs. So, for about forty bucks, you can now make your standard Redding seater die into a Micrometer Seater — and you can swap one Micrometer Seater top among a variety of dies in the same caliber class (such as .223 to 22-250). Notably, the new Bullet Seating Micrometers are offered in two different configurations — one for traditional bullet shapes, and another for VLD bullets. Redding’s new Bullet Seating Micrometers are priced at $48.90 MSRP, but expect to see an initial “street price” of about $37.00-$39.00.
With the high cost of manufactured ammunition, the reloading market continues to grow, and Redding Reloading is growing with it. With the goal of doubling its production capacity, Redding has invested over $1,000,000 in the past two years in new equipment. Just this month, Redding added two more American-made CNC machines. These latest machines complete Phase One of Redding’s strategic growth plan.
