Forum member XmarksSpot has been shooting a wicked fast varmint cartridge that has broken the 5000-fps barrier using Berger 30gr varmint bullets. That’s some serious velocity! The parent case is a 6mmBR, which is then improved and necked down to .224 caliber. XmarksSpot reports:
Some people think 5000+ fps is mythical. Well just thought I’d let you guys know that I got 5239 fps a couple weeks ago shooting 30-grainers with my 224 McDonald, a wildcat cartridge based on an improved 6BR case necked down to 224. (This case is very similar to a 22 Dasher.) The bullet used is the 30gr Berger. (The 40s run fast too — about 4800 fps.) The rig is a Rem 700 with a 30″ Hart barrel. Below is the case before and after forming. As you can see it has a 40° shoulder and far more case capacity than a 22 BR (a 22 Dasher case holds about 41.0 grains H20). My most accurate loads are with 50-52gr bullets, with bugholes the norm at 4200 fps. The 40gr bullets will do 4800+ fps.
This 224 McDonald wildcat was originally developed by Charles McDonald. He has been developing and chambering custom cartridges for years. Editor’s Note: Many folks may not be aware of the little .224-caliber 30gr Berger varmint bullet, Berger item # 22301. This bullet is not on Berger’s current production list but some vendors may still have “old stock” inventory. The little 30-grainer has an 0.119 G1 BC and will work in 1:15″ or faster twist barrels. For more info, visit BergerBullets.com.
Howa now offers “Mini Action” rifles with actions that are nearly an inch shorter than typical “short actions”. With the Mini Action, the chamber and bolt are 12% shorter than regular short actions with shorter bolt throw for faster reloads. Weight is also reduced with a shorter bolt. The Howa Mini Action rifles come with ten-round, synthetic detachable box magazine and a reasonably light HACT 2-stage trigger. This makes for a nice, compact (and very shootable) varmint package. Nice enough, in fact, that we are looking seriously at the Mini-Action Howa as a donor for a .221 Fireball varmint gun project. We like the idea of a shorter action with a compact 10-round mag.
Howa Mini Action rifles chambered in .223 Rem are available now with 20″ lightweight, 22″ standard and 20″ heavy barrel options. Other chamberings, including the .204 Ruger, will be available soon. Synthetic stocks designed to fit this new Mini Action configuration are offered in black, OD green, and Kryptek Highlander camo colors.
Varminter.com recently released a First Hunt Report on the new Savage A17 rifle. Savage’s new semi-auto .17 HMR has caused quite a stir. Accurate and affordable, the Savage A17 is also the first .17 HMR to feature a delayed blow-back action. We think the A17 may be the most important new rimfire rifle of 2015, so we were pleased to see that Eric Mayer, Editor of Varminter.com, put the new semi-auto Savage through its paces.
Mayer wanted to see how the new Savage would perform, accuracy-wise, and he also wanted to see how the A17 fared in the field. Mayer achieved one-MOA accuracy with the Savage A17 using the latest CCI-brand ammo, and he demonstrated the A17 is wickedly effective on ground squirrels. Here are some highlights from Varminter.com’s Savage A17 First Hunt Report:
The 17 Winchester Super Magnum Rimfire (aka Win Super Mag or WSM) is the fastest, most potent modern rimfire round you can buy. This cartridge, which uses a modified nail gun casing, drives 20gr bullets at 3000 fps. The 17 WSM offers superior ballistics to all .22 rimfires, and is a clear step ahead of the 17 HMR. That makes this round a potential “game-changer” in the varmint fields. To guage the capabilities of the 17 WSM, Varminter.com tested the cartridge in the new Ruger 77/17 bolt-action rifle. Click HERE for Varminter.com Ruger 77/17, 17 WSM Review.
17 WSM shoots faster than the 17 HMR, so the 20gr bullets don’t drift as much in the wind:
Varminter.com reports: “The much-anticipated Ruger 77/17 chambered in the 17 Winchester Super Magnum (17WSM) has been released. Our Review Editor, William Chambers, put it through a full range test with all four currently-available ammunition loads. Afterwards, he took it on a short groundhog hunt[.] We put a lot of rounds through the guns we test, at targets, through chronographs and out in the field. This report includes all currently available 17 WSM ammunition and a sneak peek of the really nice Nikon Prostaff 5 riflescope.” READ REVIEW.
The Tikka T3 rifle is very popular with hunters around the globe — for good reason. These rifles offer smooth-running actions, easy sub-MOA accuracy with good ammo, crisp triggers, and ultra-reliable detachable box magazines. The Tupperware stocks aren’t super-rigid, but they are comfortable and easy to handle. If you are looking for a hunting rifle, the Tikka T3 is a smart choice, offering good performance for the price (which starts at less than $580.00 for the T3 Lite version). The T3 series is offered in a wide selection of chamberings, from .204 Ruger up to the large magnums.
Here are two good Tikka T3 video reviews, the first from New Zealand, the second from Scotland. Both reviewers are experienced hunters who explain why the T3 is well-suited for hunting applications. In the first video, Mitch of BushBrothersNZ reviews a T3 with polymer stock and stainless barrel chambered for the .270 Win. Mitch focuses on the T3’s controls and functions, with particular attention to the operation of trigger, safety, and bolt.
Machinist/gunsmith Paul Fakenbridge (aka “Boltfluter” on our Shooters’ Forum) recently completed an interesting upgrade to his favorite 22BR varmint rig. This rifle, Paul’s “Rock Chuck Killing Machine”, was originally fitted with an HS Precision fiberglass stock. Now Paul’s 22 BR sports new hardware — a sleek new Eberlestock M2 Cobra Chassis in “Dry Earth” color. The $995.00 M2 Cobra is a one-piece metal stock system that mounts a Rem-700 type action in a V-block. The cheekpad height and LOP are adjustable via spacers. The M2 Cobra uses AICS-type mags and can fit Picatinny rails on the side.
Here’s an interesting product, offered by Creedmoor Sports. The innovative MOA Tactical Shooting Bag (MOA TSB) combines plastic pellets with an inflatable, inner air chamber to provide a very lightweight (and adjustable) rear support for your rifle, when shooting prone. Designed for “tactical” shooters, we think the MOA bag would work equally well for hunters and varminters. Costing $59.95, the MOA inflatable bag is priced competitively with basic rear sandbags, but it weighs much, much less than a leather or cordura bag filled with sand.
These MOA bags are built tough, with a durable inner air bladder, surgical-quality tubing, and rugged outer fabric. To help stabilize the bag, lightweight polymer (plastic) pellets are used inside. The air pump then inflates the air bladder to the degree of hardness/softness you prefer. An air valve allows you to deflate the MOA bag for more compact transport and storage.
In our Shooters’ Forum, there is an interesting thread showcasing a number of new varmint rifles built for the 2015 season. Here are six of the noteworthy builds highlighted in the thread. See more rifles in this Forum thread: Let’s See Your New For 2015 Rigs.
From member Greg T
6mm AI on RBLP Bat Three-Lug Action
Krieger 1:14″-Twist, 28″ Tube
.274 Neck throated for 75 gr V-Max
Blue / Black Shurley Brothers Lowrider Stock
Comment: I think I have found my favorite caliber as now I basically have twins – one for 87 grainers and one for 75 grainers. Yes this is overkill (and financially not the best decision) but it’s fun, so what the heck. With such a slow twist rate, I think I can push the 75s to 3850 fps or so.
LongRangeHunting.com recently published a helpful review of the new Nightforce 3-10x42mm SHV scope. If you’re looking for a hunting optic or you are interested in predator hunting, this review is worth a read. Author Tim Titus, an experienced hunting guide from Oregon, tests the little SHV is the field, bagging a coyote in the process.
Tim was impressed with the 3-10 SHV, given it’s price level: “While the SHV performed flawlessly on this hunt, NXS or ATACR owners will notice some subtle differences in form and function when comparing this scope to its more expensive big brothers. The Nightforce SHV won’t replace the 2.5-10X NXS for those who want to turn turrets on a consistent basis or who have the need for specialized or lighted reticles. But … for current Nightforce owners wanting a more affordable alternative … the SHV opens another playing field in what is still a very upscale optic. I’m confident this new scope will find its way onto many big game and predator hunting rifles.”
Forum member Scott S. (Sunbuilder) has built a sweet long-range varminter based on the 6.5×47 Lapua cartridge necked down to 6mm and then improved to 40 degrees, with slightly less body taper. Scott tells us that “improving the case adds about 2.0 grains to the case capacity”. This allows Scott to run the 103-108gr bullets at well over 3100 fps, with no pressure issues. Scott calls his Improved case a “Long Dasher”, a name suggested by Dave Kiff of Pacific Tool & Gauge.
6-6.5×47 Improved Works Well with Many Powders
Scott’s 6-6.5×47 Lapua Improved varmint rifle features a Stiller Diamondback action, Lilja 30″ 8-twist barrel, Richard Franklin stock, and a NightForce 8-32×56 NXS. Scott has had excellent success — his two longest groundhog hits were at 778 and 810 yards. Scott has tested many powders with his 6-6.5×47 wildcat: “I tried several powders (H4350, N160, N560, H4831sc), and primers (CCI 450, BR4, Rem 7 1/2, Fed 205Ms). I got better velocity with H4350, but my barrel likes the N160. I did find a [high-speed] node with H4350. The increased velocity potential of this cartridge is partially due to the slightly increased case capacity. The load I am shooting now is 40.5gr N160, Berger 105gr Match BT, .010″ jam, CCI BR4, .002″ neck tension at 3115 fps. This has an ES under 15 fps, and it will group under 2″ at 500 yards if conditions hold. This ‘Long Dasher’ (6-6.5×47) seems to have a lot of potential (and that’s an understatement).”
A Better Mount for the Spotter and Rangefinder
Scott designed and fabricated a very slick set-up to hold his Zeiss spotting scope and Leica CRF RangeFinder. He’s built a combo bracket that holds both units rock steady, with a parallel line of sight (same axis and elevation). Smart. Very smart. Scott explains: “I built a mount to connect my rangefinder to my spotting scope. The mount can be adjusted, so the spotting scope and rangefinder are both centered on the same object. The only way I have found to get repeatable long-range readings is to make them from a stable base.” Scott, we think you’ve got a winner here with your innovative and clever design.