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August 6th, 2010

300m Centerfire Competition at the ISSF World Championships

At the 50th ISSF World Championship, most of the media attention has focused on air rifle, smallbore rifle, and trap (shotgun). However, the world’s top 300m centerfire shooters are also competing in Munich this week. In conjunction with the 2010 ISSF Worlds, the 300m World Championship is taking place in Munich this week, with mens’ and womens’ prone, 3-position, and team events.

Thus far, the 300m prone mens individual and team competition have been concluded, with Mens’ 3-position yet to be held. The womens’ 300m prone event takes place Monday August 9th, while both men and women will shoot the 3-position event on Tuesday, August 10th.

300m Rifle Keppeler Standard

300m Results So Far
In Mens’ Individual 300m prone, Great Britain won the team event, with a 1792-89X combined three-man score. Team Austria finished just one point behind, 1791-104X, but with a much higher X-Count. The French team finished third with 1790-104X, lead by a superb performance by Josselin Henry, who shot a 600-36X, not dropping a point. Though his 4th-place finishing Team Norway did not make the podium, Norway’s Vebjörn Berg shot a brilliant 600-43X, one of the best match scores in 300m history.

In individual mens’ 300m prone competition, the top three shooters were Austria’s Stefan Raser (599-36X), Norway’s Vebjörn Berg (598-44X), and Marcel Zobrist of Switzerland (5989-39X). Top American was Michael McPhail, who finished 7th with 597-36X.

Click these links for ISSF World Championships 300m Schedules and Results:

300m Rifle Record Lapua 6.5x47Frenchman Ties Perfect 600 Record Score
with 6.5×47 Lapua Factory Ammo

No equipment lists have been published for the 300m World Championships, so there is very little information on the hardware and ammo used by the top competitors. However, we did learn that France’s Josselin Henry shot his 600-36X using factory-loaded Lapua 6.5×47 ammo. Henry’s perfect 600/600 score was shot in the 300m Prone Relay 2 Elimination match yesterday, August 5th. A perfect 600 was first shot by Norway’s Harald Stenvaag, NOR in 1990, then matched by Germany’s
Bernd Rücker in 1994, and by Norway’s Vebjörn Berg in 2010. Notably, Berg also shot a 600-43X in his own prone elimination match in Munich on August 5th. According to Lapua factory representatives, Josselin Henry shot his 600-36X with factory-loaded 6.5×47 Lapua (123gr HPBT Scenar) rounds, right out of the box, without any test shooting or lot selection.

Permalink Competition, News No Comments »
July 1st, 2010

New Lapua 22-250 Brass is Ultra-Consistent in Weight

Lapua’s new 22-250 brass has finally started to arrive on dealers’ shelves. Forum member William P. (aka “Heath”) just got two boxes of the new brass. Both boxes have the same lot number. Heath was kind enough to sort the brass and report his findings.

Lapua 22-250 brass

Based on Heath’s 200-count sample, we can say this new brass is very, very consistent in weight. The total weight spread (delta) for 200 cases was just 1.4 grains! And the vast majority, 83%, were within 0.7 grains in weight (160.3 – 161.0). For the varminter, sorting may be superfluous. Once again, Lapua has produced a superb new product, and we love the new, blue plastic boxes.

FYI, you 6mm shooters should know that the Lapua 22-250 brass can be made into quality 6XC brass. And it’s even easier to create a 6-250 wildcat. In May, Robert Whitley explained how he created a tack-driving 6-250 Wildcat from the new Lapua 22-250 brass.

Permalink Bullets, Brass, Ammo, New Product 1 Comment »
May 1st, 2010

Whitley Creates Accurate 6mm Cartridge with 22-250 Lapua Brass

Lapua 22-250 brassOur friend Robert Whitley of 6mmAR.com has come up with a new, accurate 6mm wildcat based on the new Lapua 22-250 brass that has just started arriving. Robert provides this report:

“I just received a box of the new Lapua 22/250 cases — beautiful brass! My real desire with it was to make it into a 6mm version, preferably something that was ‘no neck-turn’ with a .308 Win-type body taper that would work well in bolt gun and semi-auto magazines and would have a capacity to allow superior velocities. I considered the 6XC, but since you have to bring a whole lot of the shoulder of the brass up into the neck (when you re-form the brass from 22-250 to 6XC) that would necessitate neck-turning it because with Lapua brass the shoulder metal is thicker than neck metal of the brass.

I wanted a simple ‘neck it up and shoot it’ approach so I made up a 6mm-250 Improved 30 cartridge (i.e. 6mm-250 Improved with a 30 degree shoulder) and this thing works great — just neck up the brass, load it and shoot it! The case is like a 6XC with a .030″ longer body and a .030″ shorter neck, which works out fine if you are going to be shooting mainly the 105-108 gr bullets (which it will do very well shooting 2950 – 3000 fps). If you want to hot-rod things, which I do not, I am certain the case can push the 105-108 gr bullets a fair amount faster.

Whitley 6mm-260 22-250

I set it up and throated the reamer for the Sierra 107s and the Berger or JLK 105 VLDs (i.e. a .090″ free bore on the reamer) and it works great with them. If I was going to use it with the Lapua 105s or the Berger 108s I would add about .025″ – .030″ to the freebore of the reamer (i.e. make the freebore around .115″ to .120″).

The great thing is you can use a 6XC die set for it without modification, and all you need to do is keep the dies about .030″ up off the shell holder from their normal position and use them as is. You can make a spacer washer about .030″ thick that you can put on and take off the 6XC dies and use the dies for both cartridges (i.e. 6XC and 6mm-250 Imp 30).

Lapua 22-250 brass6mm-250 Imp 30 Shows Great Accuracy
Fire-forming loads are real accurate. Here is a 10-shot group I shot prone at 100 yards shooting fire-forming loads with it — the group is the size of a dime. For fire-forming I use a milder, but still very accurate load: 32.0 grains of N140 with a Sierra 107 and a BR2 primer. For fire-formed cases you can jump up to N160 (around 38-40 grains — depending on lot) and it will push the 105-108 gr bullets real accurately in the 2950-3000 fps range, with low ES and SD. This cartridge has a neck length of .268″ which is plenty long for a 6mm shooting bullets with varying bearing surface lengths. The reamer diagram (link below) leaves about a .003″ neck clearance over a loaded round, which seems to work out very well for a ‘no-turn neck’ set-up.

So there you have it … the 6mm-250 Imp 30 is simple, easy to make, accurate as all get out, there are available factory die sets you can use, and it uses great new Lapua brass — what’s not to like!”

CLICK HERE to download Whitley 6mm-250 Imp 30 Reamer Print.

Permalink Bullets, Brass, Ammo, New Product, Reloading 13 Comments »
September 12th, 2009

Norma's 6XC Delivers Outstanding Performance

Our current “Cover Story” for the website is about the 6XC Cartridge. German Salazar, a top prone shooter who has won the Arizona NRA Long-Range Championship using the 6XC, reveals how to get the most accuracy out of the cartridge. German discusses brass options, recommended bullets for long-range competition, and German also discusses the pros and cons of various 6XC dies.

CLICK HERE for 6XC Cartridge Review by German Salazar.

The 6XC cartridge was developed by David Tubb, and it has captured multiple Camp Perry Championships. Now that Norma brass is available, the 6XC is an outstanding choice for shooters looking for an ultra-accurate, easy-recoiling cartridge that offers more “horsepower” than the 6BR or 6BR Improved. Team Norma, shooting factory-loaded 6XC ammo, captured the 2007 300m world championship. This was the first time in many years that a cartridge other than the 6BR has won “all the marbles” in international 300m competition. And just last week, the Swedish Team of Anders Brolund, Johan Gustafsson, and Mikael Larsson won the 2009 European 300m Championship shooting the Norma 6XC.

Forum members and 6XC shooters Mudcat and German Salazar are both very happy with their choice of chamberings. German tells us:

“The 6XC is a great long-range cartridge, it needs no excuses and can hold its own against any other LR cartridge. I prefer to use Norma 6XC brass, but 22-250 brass can be used by running through a 6XC full-length die and then fire-forming. It will look pretty nasty at first, but it will shoot just fine even fire-forming.

I principally use the 6XC for 1000-yard prone shooting (sometimes at 600). The main bullet I use is the Berger 115 VLD (in a 30″ Krieger with 1:7.5″ twist). The best powder I’ve found for the Berger 115 in the 6XC is H4831sc. Velocity is in the 3000 fps range.

Whether the 6XC is ideal for any given person depends on a lot of factors. I tend to shoot fast and keep the rifle in my shoulder. Accordingly, a low-recoil cartridge suits me because it doesn’t require any repositioning of the rifle or rebuilding of position during a 22-shot string. I know how to read wind, so whether a cartridge drifts a few inches more or less than another isn’t really a concern to me, I learn the cartridge’s behaviour and work with what I’ve got. The 6XC shines because it is ACCURATE at 1000 yards and without that, you’ve got nothing. Accuracy, low recoil, reasonable wind drift, good component availability, decent barrel life, what else is there to want in a long-range cartridge?”


Mudcat concurs that the 6XC is a great cartridge for High Power Competition:

“I am not sure there really are ‘downsides’ for the 6XC. Well, maybe barrel life, if you are used to shooting a 223 or 308. I have fired about 15,000 rounds of 6XC over the last couple of years and havent really found a negative. My 6XC barrels get an easy 2,000 rounds. In fact, most get upwards of 3,000 before I move them to strictly off-hand and rapid-fire use. (I am a High Power shooter, not a Benchrester.)

Propellant — Powder choices are excellent. However, contrary to what German has found, I can’t get H4831sc to get me the velocity that the H4350 can. I have found only two powders that deliver more speed than H4350.

Cases — Just use Winchester 22-250 cases as they last 20+ firings and you never have to trim them. I use Winchester 22-250 brass rather than any of the Tubb or Norma offerings — they are just too soft for my liking. With the Winchester, I know what I am dealing with and know I will get at least 20 firings out of it, on average. And, I never have to trim it. While I have a Giraud power trimmer, I would just as soon not do it.

Bullets — Well, 6mm bullets are out there for about anything you want to shoot.

Velocity — The 6XC offers plenty of speed. Is 3000+ fps with a 115 enough for you? I certainly hope so.

Accuracy — I can’t out shoot the 6XC round. About any decent load will work just fine. Shoot, all my 300-yard and less ammo is loaded on a Dillon 650! Overall, I agree with German, the 6XC will definitely hold its own and I am not sure that my 6.5×284 running 142s at 2950 fps actually drifts much less than the 115 VLDs.”

Permalink Competition, Reloading 6 Comments »
February 7th, 2009

Use Spacers to Neck-Size 6XC cases with 6BR Die

reloading die spacer ringsCredit German Salazar for this smart tip. 6XC dies tend to be pretty expensive. If you already have a 6BR neck-sizing die, you can use it to neck-size 6XC brass. Redding Reloading sells a set of three washers that raise the die in the press, part number 80901. Each kit includes three spacers: (.062) No-crimp or partial resizing, (.125) 44 Spl/44 Mag spacer, (.135) 38 Spl/357 Mag spacer. If you buy two sets ($7.11 each at Midsouth Shooters Supply) and use both 0.125″ spacers and one 0.135″ spacer then you can neck size 6XC cases with your 6BR neck sie without messing with the lock ring setting. You can also use the same spacers to switch pistol dies (e.g. between .38 Special and .357 Magnum). Hornady also sells inexpensive .135″ spacers to switch from .38 spl to .357.

Norma 6XC brass at Bruno’s
Speaking of the 6XC, Bruno Shooters Supply now has Norma-brand 6XC brass, item XCNB. Price is $0.68 per case, or $68.00 per hundred. This is very good brass that uses a large rifle primer, whereas the 6-6.5×47 Lapua uses small rifle or small rifle magnum primers.

Permalink Reloading No Comments »