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October 12th, 2018

New .338 Lapua Magnum and .300 WinMag Ruger Precision Rifles

ruger precision rifle rpr .300 Winchester magnum lapua mag .338 rifle long range

Ruger has gone big — very big — with its popular Ruger Precision Rifle platform. The RPR is now offered in .338 Lapua Magnum (LM) and .300 Winchester Magnum (WinMag). That’s good news for ELR fans and shooters looking for serious energy transfer at long range. Ruger states: “These new magnum caliber models pair exceptional long-range accuracy potential with tremendous down-range energy, broadening the appeal of an already very popular rifle. These new chambering options broaden the Ruger Precision Rifle’s utility across a wide range of readily-available ammunition.”

New .338 Lapua Magnum RPR Tested by Gun Talk Media

“When the 6.5 and .308 RPRs came out everyone loved them, but they automatically asked ‘Hey, can we have a magnum?’. So we [at Ruger] started working on it right away. We blew the gun up physically larger… to have this in .300 Win Mag and .338 Lapua. The Lapua is fun, I’ll tell you.” Mark Gurney, Ruger Director of Product Management.

RPR Magnums Boast 5R Barrels with Big Brakes
The new RPR magnums feature hammer-forged, chrome-moly heavy-contour 5R barrels fitted with tunable muzzle brakes. Those fat, large-port brakes will certainly reduce recoil and muzzle jump but we wouldn’t like to be shooting beside the .338 LM RPR — expect lots of side-blast. The new RPR magnums feature 18″ free-float anodized handguards with M-LOK accessory attachment slots on all four sides. Integral QD sling attachment points eliminate the need for additional adaptors and a flat-bottom 1.50″ dovetail is compatible with RRS S.O.A.R. and similar QD systems.

ruger precision rifle rpr .300 Winchester magnum lapua mag .338 rifle long range

The .338 Lapua Magnum RPR features a 1:9.375″ twist rate while the .300 Winchester Magnum model features a 1:9″ twist rate, both of which stabilize long-for-caliber projectiles. These rifles ship with two, 5-round AI-style magazines. As with all RPRs, the bolt is a 3-lug design with 70-degree bolt lift.

Angled +30 MOA Rail and Adjustable Stock Standard
ELR shooters will be pleased that the new, magnum-caliber RPRs ship with a +30 MOA Picatinny rail. That will help give shooters enough elevation to shoot out to 1500 yards and beyond. As with other Ruger Precision Rifle models, the magnums feature a folding stock with adjustable comb height and length of pull. The Ruger Marksman trigger is user-adjustable between 2.25 and 5 pounds.

ruger precision rifle rpr .300 Winchester magnum lapua mag .338 rifle long range

ruger precision rifle rpr .300 Winchester magnum lapua mag .338 rifle long range

To view full specifications for the Ruger Precision Rifle in Magnum chamberings, visit Ruger.com. To find accessories for the Ruger Precision Rifle and other Ruger firearms, visit ShopRuger.com

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Permalink Gear Review, New Product, News, Tactical 7 Comments »
October 12th, 2018

The Bio-Mechanics of Shooting — Skeletal Support

Science Shooting 3P Position Jamie Gray
Science Shooting 3P Position Jamie Gray

Have you ever wondered how Olympic-class position shooters hold their aim so steady? Those bulky shooting coats help, but there is a lot of bio-mechanics involved also. Top shooters employ their body structure to help support the weight of their rifles, and to steady their aim. This interesting video, produced by GOnra Media, demonstrates rifle hold and body alignment for prone, standing, sitting, and kneeling positions. Olympic Gold Medalist Jamie Corkish (formerly Jamie Gray) demonstrates the proper stance and position of arms and legs for each of the positions. Ideally, in all of the shooting positions, the shooter takes advantage of skeletal support. The shooter should align the bones of his/her arms and legs to provide a solid foundation. A shooter’s legs and arms form vertical planes helping the body remain stable in the shooting position.

Olympic Gold Medalist Jamie Corkish Demonstrates Shooting Positions

Science Shooting 3P Position Jamie Gray

Science Shooting 3P Position Jamie Gray

Science Shooting 3P Position Jamie Gray

Jamie Corkish, London 2012 Gold Medalist in Women’s 3 X 20, has retired from top-level competitive shooting. However, Jamie remains involved in the shooting sports as a Public Relations/Marketing representative for ELEY, a leading maker of rimfire ammunition. Jamie also works with shooting clubs and educational institutions to promote smallbore target shooting.

Images are stills from GOnraMedia video linked above.

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Permalink - Videos, Shooting Skills No Comments »
October 12th, 2018

Field Skills: Reading the Wind When Hunting

On LongRangeHunting.com, you’ll find a good article by Shawn Carlock about wind reading. Shawn is a veteran law enforcement marksman and a past USPSA national precision rifle champion. Shawn offers good advice on how to estimate wind speeds and directions using a multitude of available indicators — not just your wind gauge: “Use anything at your disposal to accurately estimate the wind’s velocity. I keep and use a Kestrel for reading conditions….The Kestrel is very accurate but will only tell you what the conditions are where you are standing. I practice by looking at grass, brush, trees, dust, wind flags, mirage, rain, fog and anything else that will give me info on velocity and then estimate the speed.”

Shawn also explains how terrain features can cause vertical wind effects. A hunter on a hilltop must account for bullet rise if there is a headwind blowing up the slope. Many shooters consider wind in only one plane — the horizontal. In fact wind has vertical components, both up and down. If you have piloted a small aircraft you know how important vertical wind vectors can be. Match shooters will also experience vertical rise when there is a strong tailwind blowing over an up-sloping berm ahead of the target emplacements. Overall, Shawn concludes: “The more time you spend studying the wind and its effect over varying terrain the more successful you will be as a long-range shooter and hunter.”

This Editor, as a life-long sailor, also has some suggestions about wind. Many folks may not realize that wind can cycle, both in direction and in speed (velocity). If you are patient, you should be able to sense the timing of the cycles, which will help you predict shifts in wind direction and velocity. While it is tempting to shoot in the lulls, sometimes the true wind vector (angle + speed) may be most constant when the wind is blowing stronger.

Another tip for hunters is to orient your shot, when possible, in alignment with the wind direction. Try to face into the wind, or have the wind at your back. This is especially effective when shooting in a varmint field. Use a string of tape on a pole to show wind angle. Then shoot directly into the wind or with the wind directly at your back. This will minimize horizontal deflection caused by the wind.

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Permalink - Articles, Hunting/Varminting, Shooting Skills 2 Comments »