March 14th, 2018

The Remarkable Merkel RX Helix — German Straight-Pull Hunter

Merkel RX Helix straight-pull rifle

EDITOR: Our story on the Strasser RS14 straight-pull rifle created quite a stir. So, we thought we’d serve up another straight-pull feature — this time the German-crafted Merkel RX Helix. We shot the Helix a few years back during Media Day at the Range. One notable difference between the German Merkel and the Austrian Strasser is the bolt travel. During cycling, the Merkel bolt stays completely inside the action (see video below at 00:30). By contrast the Strasser bolt moves pretty far back, outside the action. For some folks that makes the Helix better for fast follow-up shots. All we can say is that Merkles and Strassers BOTH cycle way faster than conventional bolt-action rifles.

Merkel RX Helix Range Report

One of the most innovative rifles we have ever shot was the Merkel RX Helix, a very impressive piece of rifle engineering. Merkel claims the RX Helix is the fastest-cycling centerfire bolt action in the world. We can’t confirm that claim, but the Helix certainly cycles faster than any other centerfire bolt-gun this Editor has ever tried. (Yes, a Fortner biathlon action can be worked more rapidly, but that’s a rimfire). Both Jason and I really liked Merkel’s RX Helix. It balances well, the action is smooth, the wood is gorgeous, and the overall design thinking that went into this German-engineered take-down rifle is very impressive. The Helix’s universal-sized action lets you shoot anything from a .222 Rem to a .300 Win Mag with the same gun. And — get this — you can really swap barrels (and change bolt heads) in a couple of minutes with no tools, employing a dead-simple bolt-release lever concealed under the push-button-released removable forearm. (Watch VIDEO BELOW to see Barrel Swap procedure).

Merkel RX Helix rifle

Merkel RX Helix rifle

Merkel RX Helix rifleRotary 7-Lug Bolt
While the RX Helix is a straight-pull rifle, it retains the strength and safety of a rotary bolt head with seven locking lugs that seat in a barrel extension. Unlike a Blaser, the RX Helix has a fully-enclosed action housing. That’s an important safety feature. Moreover, since the RX Helix employs a closed action, the bolt body doesn’t travel outside that action. This means the shooter can maintain his cheekweld with an eye on the target as he cycles the bolt.

The RX Helix’s linear (back and forth) bolt-handle motion is transmitted to the bolt head through a 1:2 ratio “transmission” gearing system. This allows smooth and fast cycling without the rotational or tipping movement found on other straight-pull, bolt-action rifles, such as the Blaser.

Merkel RX Helix rifle

The Merkel linear-movement action cycles exceptionally fast, which allows for faster follow-up shots — a good thing if you’re hunting dangerous game. The RX Helix features a manual cocking lever on the tang and a direct trigger system. And here’s good news for southpaws — though Merkel does not make a dedicated left-hand version, lefties can very easily use their right hand to work the bolt while maintaining cheekweld. That may sound awkward, but with practice, it’s actually pretty efficient.

Fast, Easy Disassembly and Barrel Exchanges
The video below shows how the Helix can be disassembled (for cleaning or transport) in a matter of seconds WITHOUT TOOLS. The forearm slips off with the push of a button. A short lever on the left side of the action holds the barrel. Simply rotate the lever and the barrel (with bolt head) slips off. That’s it — in 30 seconds the rifle is apart, and you don’t even need an allen wrench as with a Blaser.

The RX Helix has a universal action length that covers calibers from .222 Rem to .300 Win Mag. Changing calibers (or chamberings) takes less than a minute with the appropriate barrel, bolt-head and magazine. Weaver rails are integrated into the action, and iron sights with three-dot rear and one-dot front fiber-optic inserts are standard.

Merkel RX Helix rifle

The RX Helix is available with a standard black finish as well as four levels of design—Arabesque, Wild Boar, Spirit, and Deluxe. An all-carbon-fiber version is also available either with or without a carbon-wrapped barrel. The RX Helix comes in a wide range of popular calibers including .222 Rem, .223 Rem, .243 Win, 6.5×55 SE, .270 Win, 7×64, .308 Win, .30-06 Sprg., 8×57 IS, 9.3×62, 7mm Rem Mag and .300 Win Mag. Barrel lengths vary according to caliber, and barrels, bolt-heads and magazines are available for caliber changes. sells the Merkel RX Helix with Grade 2 wood for $3,785.00.

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March 13th, 2018

Straight-Pull Strasser RS14 Hunting Rifles — Austrian Excellence

strasser RS14 Evolution rifle

We like to see innovation in rifle design. One of the more interesting designs on the market is the Strasser RS14, an Austrian-engineered rifle featuring a slick, straight-pull bolt. With a quick rearward pull, the bolt cycles back. You may be familiar with the Blaser rifle — that requires the bolt handle to be moved in an arc. By contrast, with the Strasser, you literally pull straight back on the short-stroke bolt handle. After the handle moves about 60 degrees rearward, the bolt unlocks and then you can move the entire bolt assembly rearwards through its full motion, cycling the cartridge. The action is very smooth and very fast. Check it out in this video, at the 40-second time-mark:

The action is ambidextrous. The manufacturer can supply either a right-hand bolt or a left-hand bolt. That’s correct — you can switch from righty to lefty simply by swapping the bolt. Very clever.

Again, you can see the smooth, straight-pull bolt in the video below. The Strasser also offers a simple system to change barrels with just an allen key and another simple tool that nests in the fore-arm. The barrel-swap process is shown in this video starting at 1-minute mark:

Strasser RS14 evolution rifle hunting

One of most impressive features of the Strasser is the ease with which you can change chamberings — from small cartridges all the way to to full-size magnums. The owner can swap barrels in a few minutes. What’s more, the Stasser’s quick-change bolt face allows users to quickly and easily switch between small, standard, and magnum bolt face. That way you can shoot anything from .222 Rem up to .375 Ruger with the same RS-14 rifle. Here are the chambering options offered by Stasser (with Walther-made barrels):

Small Caliber (MIN): .222 Rem., .223 Rem., .300 AAC Blackout
Standard Caliber (STA): .22-250 Rem, .243 Win, 6XC, 6.5 Creedmoor, 6.5-284 Norma, 6.5×55 SWE, 6.5×65 RWS, .270 Win, 7×64, 7mm-08 Rem., .308 Win, .30-06, 8×57 IS, 8.5×63, 9.3×62
Magnum Caliber (MAG): 7mm Rem Mag, .300 Win Mag, .338 Win Mag, .375 Ruger

Strasser RS14 evolution rifle hunting

The latest RS14 Evolution features a Picatinny rail on the receiver. USA buyers can choose between an RS14 with high-grade Walnut stock or the Tahr model with a grey, laminate stock. Both types have a detachable trigger module, that allows easy adjustment of pull weight.

Strasser RS14 evolution rifle hunting

Strasser RS14 evolution rifle hunting

This rifle is a premium product, priced accordingly. For orders and inquiries, contact the U.S. importer, International Firearm Corporation. You can also email , or call 1 (844) IFC-GUNS (432-4867).

Click Here for review of less expensive Strasser Solo Model. This has a good video showing how the straight-pull action works: “Locking is by four quadrants around the bolt head, which are forced out into a ring in the chamber extension similar to the Blaser’s multi-collet system. When cocked and locked the bolt handle sits forward at an angle and pulling it back allows the lugs to contract so the action can be opened. The head is fully supported and shows a plunger-type ejector.”

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