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6.5x47 Lapua
In cooperation with Grunig & Elmiger, Lapua set out to develop a cartridge optimized for European 300-meter CISM competition. Similar to our NRA High-Power, 300-meter CISM has a set course of fire from defined shooting positions using highly specialized target rifles. The caliber that currently dominates 300-meter CISM is the 6 mm BR Norma due to its excellent accuracy, good ballistics, and low recoil. As the project officially started in 2005, two initial project goals were to improve ballistics by decreasing wind drift and to reduce barrel wear compared to the 6 mm BR Norma, which will get only about 2500 rounds at top accuracy before the barrel starts to show wear.

The 6.5x47 Lapua case is about three-tenths of an inch shorter than a .260 Remington case, and has a sharper shoulder and a longer neck. With an overall loaded length of 2.700 to 2.800 inches, most bullets can be seated with their rear bearing surface above the case shoulder. It can be thought of as a shortened and "improved" .260 Remington case, with a small primer pocket. Factory 6.5x47 Lapua loads shoot the 139-grain Lapua Scenar at 2690 fps, the 123-grain Scenar at 2790 fps, or the 108-grain Scenar at 2950 fps.

The Gun
I was approached by the editor of 6mmBR.com in early 2007 about the opportunity to build a "Tactical Rifle" - a rifle intended for the field-style practical rifle matches - in 6.5x47 Lapua, in order to really get a feeling of how the cartridge stacked up against the conventional .308 and the now-becoming-standard .260 Remington. So I unscrewed the factory .308 barrel from my other Accuracy International AW (AI-AW), and screwed on a barrel that George Gardner had cut from a Satern blank. This barrel finished at 25.3 inches and we added six flutes to cut down on weight since the barrel came with a heavy profile. I like my guns set up the same for continuity, so this rifle was topped with another S&B 3-12x50mm PMII. Again, the suppressor was used for most shooting. At this point, I had two identical AI-AW rifles- one set up in .260, one set up in 6.5x47 Lapua.

GA Precision fit this 25.3-inch Satern barrel to the author's Accuracy International AWP for testing Lapua's new 6.5x47 cartridge. The rifle is shown here with a S&B 5-25x56mm scope, and the thermal suppressor cover retracted for cooling during a break in load development.

Bottom-line: Load, Ballistics, Accuracy
Final load: 123gr Lapua Scenar @ 2930 fps, 37.2gr RL15, CCI BR4, Lapua brass.
From a 100-yard zero, this load needs 7.2 mils of elevation to 1000 yards, and will drift 59 inches with a 10 mph cross. Accuracy is excellent at 1/4 MOA or better.
123 6.5x47 Lapua @ 2930
Zero 100yd  5000' Density Altitude
RANGE  ELEV-  moa    mil     | WIND(10) moa   mil   RANGE
 100    0"    0.00   0.0mil  |   0"   0.50   0.1mil  100
 200    2"    1.25   0.3mil  |   2"   1.00   0.3mil  200
 300   10"    3.25   0.9mil  |   4"   1.50   0.4mil  300
 400   23"    5.50   1.6mil  |   8"   2.00   0.6mil  400
 500   42"    8.00   2.3mil  |  13"   2.50   0.7mil  500
 600   68"   10.75   3.2mil  |  19"   3.00   0.9mil  600
 700  102"   14.00   4.0mil  |  27"   3.75   1.1mil  700
 800  145"   17.25   5.0mil  |  36"   4.25   1.2mil  800
 900  197"   21.00   6.1mil  |  47"   5.00   1.4mil  900
1000  260"   24.75   7.2mil  |  59"   5.75   1.6mil 1000
Load Development Notes
Using Lapua brass, bullets from Lapua and Berger, and a variety of powder and primers, I tested no less than 45 combinations looking for the "best" overall performer. Besides excellent accuracy and consistency, I also wanted optimum ballistic performance for long-range UKD courses of fire with 100% reliability-- there are no sighters or alibis in practical competition. It was almost immediately clear that the pressure limiter in 6.5x47 in the AI-AW rifle would be the primer piercing issue I originally saw with the .260. Ignoring the primer issue, even with nuclear loads substantially exceeding my final load, there were never any pressure signs on the case head, nor was the bolt hard to lift.

Quarter-MOA or better groups seemed to be the norm, not the exception, while doing load development with the 123 and 139-gr Lapua Scenar and Berger 130 gr.
Using powders such as RL15, H4350, Varget, and N550, accuracy was very consistent with the 123-grain and 139-grain Lapua Scenars, along with the 130-grain Berger VLD. Of the 45 combinations tried during the sandbagged 100-yard bench-rest testing, less than 10% were noted for "poor accuracy". To put things in perspective, "poor accuracy" meant worse than 0.5 moa. Most loads shot between 0.25 and 0.5 moa, and the best loads shot just better than 0.2 moa. I should add a disclaimer at this point that I am not a particular good bench-rest shooter. In the end, I settled on the 123-grain Lapua Scenar shot at 2930 fps using 37.4-grains RL15 with a CCI BR4 small rifle bench-rest primer, with a loaded over-all length of 2.735-inches.

Without the primer issue, the following ballistics would have been possible based on the experimental results: a 139-grain Lapua Scenar at 2850 fps; a 123-grain Lapua Scenar at 3080 fps; and a 130-grain Berger VLD at 2950 fps. RL15 is the powder for 6.5x47 Lapua. Similar results were had using H4350 and N550, but the RL15 seemed more predictable and was more consistent. With regard to primer selection, CCI 450, BR2, and #41 all gave similar results.

Ammo and Components
Because this cartridge was designed from the ground up for European long-range competition (in this case only 300 meter), Lapua has factory loads for the 108, 123, and 139-grain Scenar. Factory 6.5x47 Lapua loads shoot the 139-grain Lapua Scenar at 2690 fps, the 123-grain Scenar at 2790 fps, or the 108-grain Scenar at 2950 fps. Testing of factory Lapua ammunition showed that the published velocities are a little conservative. The 123-grain loads shot at 2820 fps from my 25.3-inch barrel and consistently held half-MOA or better groups.

As for components, the Lapua brass is excellent quality as usual, and costs about $0.65/pc if purchased in bulk. I did zero - zero - brass prep during load testing and accuracy and consistency was excellent. The Lapua brass is very strong.


Shooting the 123-grain Lapua Scenars from his Accuracy International AW re-chambered to 6.5x47 Lapua, the author only had one rifle miss at the Camp Guernsey Invitational Multi-Gun.
  • Ultra-strong case design
  • Reasonably-priced excellent-quality brass
  • Proper long-range loads available as factory ammunition
  • Possibility of exceeding .260 loads due to strong brass
  • Smaller case than .260 limited powder volume
  • To achieve same ballistics as 260, needs to run at high pressure
  • Factory ammunition 100-150 fps slower than same bullets in .260 Remington
Match Performance
I shot the 6.5x47 AI-AW at the August 2007 Sporting Rifle Match. After the main match, John S. (also shooting 6.5x47) and I were tied for second place. John edged me out with a better wind call in the sudden-death shootout on the known-distance range, so I ended up third overall. I try to console myself that his higher-BC 130-grain JLK bullets with a 40 fps edge over my 123-grain Scenars at 2930 fps had something to do with it. The overall match winner was using a straight .260 Remington and just beat us by three points at the end of the match. In the field, the performance of the .260 Remington is almost indistinguishable from the 6.5x47 Lapua.

The second big match I shot the 6.5x47 rifle at was the 2007 Camp Guernsey Invitational Multi-Gun Match, put on by Colorado Multi-Gun at the National Guard base near Guernsey, Wyoming. This was a match for long-range rifle, carbine, and pistol, with carbine targets to 330 yards and rifle targets to 700 yards. Thirty-eight shooters competed through seven "run and gun" stages, including one night stage, over two days in the terrain of the base. An accurate rifle, rock-solid data, and the light-recoiling 6.5x47 helped me dominate one of the two long-range stages, giving me the match points for an overall win.

In the field, .260 and 6.5x47's performance is virtually indistinguishable. The lighter 123-grain bullet I settled on for the 6.5x47 has only about five inches more drift (per 10 mph cross) at 1000 yards than my 139-grain .260 load, but is one-fifth of a mil flatter at the same distance. Viscerally, the heavier .260 bullet produces more impact signature when impacting long-range steel targets-- but a hit's a hit. Ultimately, I lost some ballistic performance with the 6.5x47 vs. the .260 due to the pressure limitations in my rifle.