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October 21st, 2016

Nosler Introduces High-BC, Closed-Meplat RDF Match Bullets

Nosler RDF Bullet compound hybrid ogive tangent secant

Nosler has introduced a new line of RDF™ (Reduced Drag Factor) bullets that feature very high BCs, hybrid-type ogives, and tight, factory-closed meplats. Based on initial specs, Nosler’s new RDF bullets should be very competitive match projectiles for their respective bullet weights. Nosler claims its new RDF bullets have “the highest BCs and smallest, most consistent meplats of any hollow-point match bullet line on the market.” RDF projectiles will be initially offered in four calibers: .224, 6mm (.243), 6.5 mm (.264), and .308.

NEW Nosler RDF Bullets:

· 22 Cal 70 grain — G1 Ballistic Coefficient 0.416 | G7 Ballistic Coefficient 0.211
· 6mm 105 grain — G1 Ballistic Coefficient 0.571 | G7 Ballistic Coefficient 0.280
· 6.5mm 140 grain — BC field verification in process
· 30 Cal 175 grain — G1 Ballistic Coefficient 0.536 | G7 Ballistic Coefficient 0.270

High-BC RDF Bullets Feature Compound (Hybrid-type) Ogive Profiles
Nosler designed RDF bullets to have very high BCs for flatter trajectories and reduced wind drift. Nosler achieved high BCs by adopting a modern hybrid-type compound ogive, which bridges traditional tangent and secant bullet shapes. Another benefit of the compound (hybrid-type) ogive, is that this shape is normally less sensitive to bullet seating depth than a pure VLD-style, secant ogive shape. That allows hand-loaders to seat off the lands and still get excellent accuracy, which can be maintained even as the throat moves out over time. RDF bullets also feature a long boat-tail for aerodynamic efficiency.

Nosler RDF Bullet compound hybrid ogive tangent secant

Factory-Closed Meplats — No More Trimming and Pointing Tips
Compared to conventional match bullets, Nosler’s RDF bullets look quite different because the tips have been tightly closed up at the factory. Nosler claims a a 40% average reduction in meplat size vs. conventional hollow-point bullets. With Nosler doing the work on the tips, hand-loaders no longer need to point and trim tips, a laborious task done to improve BC and, more importantly, to make BCs more consistent for every bullet in the box. Consistent BC translates to reduced vertical spread at long range.

John Nosler Talks about RDF Bullets:
“Long-range competitive shooting [is] one of the fastest-growing shooting activities in the world, and quality bullets are the cornerstone of the sport” said John Nosler, Executive V.P. for the company. “Our engineers were challenged with delivering a bullet that would drastically reduce aerodynamic drag and increase ballistic consistency, providing shooters with an indisputable advantage. What we achieved is a leap in match bullet technology….”

Permalink Bullets, Brass, Ammo, New Product 15 Comments »
October 21st, 2016

Is the 300 Raptor the Ultimate .30-Caliber Magnum?

300 Raptor Allen Precision

With the success of the King of 2 Miles (KO2M) event and the growing popularity of extreme long range shooting, we’ve seen an increased interest in really big cartridges for really long range. One such wildcat cartridge is the 300 Raptor pioneered by Kirby Allen. This monster magnum can launch a 230gr bullet at 3350 fps. That delivers some serious ballistics at extreme long range.

300 Raptor Allen PrecisionKirby Allen of Allen Precision Shooting, www.apsrifles.com, has developed a .30-caliber, jumbo-sized magnum wildcat cartridge. The powerful 300 Raptor (center in photo) is based on Allen’s 338 Excalibur parent case (far right in photo), necked down to 30 Cal with shoulder moved forward to increase case capacity. Allen states: “This is the largest capacity and performance .30 caliber magnum on the market that can be used in a conventional sized receiver.”

Shoot 200s at 3600 fps
Performance of Allen’s new 300 Raptor is impressive. Allen claims that “200gr Accubonds can be driven to nearly 3600 fps, 230gr Berger Hybrids to 3350 fps, and the 240gr SMK to right at 3300 fps. These loads offered case life in excess of 6-7 firings per case and many of my test cases have over 8 firings on each case so they are not an overly hot load showing the potential of this big .30 caliber.”

To showcase the new cartridge, Allen built up a prototype rifle with a McMillan A5 stock, Raptor LRSS Action with extended tenon, and a Jewell trigger. The first 300 Raptor Rifle is currently on its second barrel, a new 30″, 3-groove 1:9″-twist Lilja in a custom APS “Raptor Contour”. This distinctive dual-fluted contour runs full-diameter almost to the end of the stock, and then steps down and tapers to the muzzle, where a beefy Medium 3-port ‘Painkiller’ Allen Precision brake is fitted.

300 Raptor Allen Precision

Story tip by EdLongrange. We welcome reader submissions.
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October 21st, 2016

Pumpkin Carvin’ with Kirsten — Halloween Artistry with .22 LR

Halloween Pumpkin Kirsten Joy Weiss carving Volquartsen

Halloween is just ten days away. Talented trick-shot artist Kirsten Joy Weiss, did something special in prep for the gouls/goblins holiday, “carving” a pumpkin using her semi-auto Volquartsen .22 LR rifle. Kirsten had to send a lot of rimfire rounds into her orange friend. It turns out the little .22-caliber bullets worked better on exit than entry — Mr. Pumpkin’s posterior side was more impressive than his front. But overall, the effort turned out very well indeed, as you can see. Nice job, Kirsten.

On inspection, Kirsten found that the most impressive Jack ‘O Lantern face appeared on the reverse side of her pumpkin. The “exit wounds” were better than the entry holes.
Halloween Pumpkin Kirsten Joy Weiss carving Volquartsen

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