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Merkel KR1-The Complete Rifleman 2010

November 02, 2010 -

I had the pleasure of visiting Suhl and the Merkel factory a couple of years ago, and I can tell you it is quite an impressive facility. There is no lack of the latest CNC and EDM machinery, but what you see most throughout the factory is handwork: polishing, fitting, more polishing and more fitting. The town of Suhl was founded and built by gunsmiths, for in addition to Merkel it is the ancestral home of Anschutz, Krieghoff, Heym, Sauer, Steyr and Haenel, to name a few.

First Impressions
Anyway, upon seeing the KR1 for the first time, I was struck by its unique and highly distinctive appearance. For one thing, there’s no loading port, just a butterknife bolt handle sticking out of a cowling of sorts, with nothing like a conventional bolt to be seen. At each side at the front of the cowling, which is a lightweight alloy of bronze color that nicely contrasts the blued steel barrel, are forward-projecting ears that straddle the chamber portion of the barrel. All mechanisms within are completely protected from the elements. It’s really quite an elegant-looking rifle.

Of course, raising the handle and opening the action pretty much answered all the questions that were running through my mind. I immediately was struck by how smooth and quiet the action is. The bolt—or rather the cowling that surrounds the bolt—reciprocates on T-slot rails machined into the upper edge of the lower receiver unit.

Like the Browning A-Bolt, the “floorplate” on the Merkel is hinged, but the magazine does not attach to it. Note that the trigger moves with the unit.

Having said that, opening the action does, indeed, expose a somewhat conventional-looking bolt head having two rows of three lugs oriented on 120-degree centers. Also conventional is a recessed bolt face, a plunger-type ejector and an extractor that moves radially within a T-slot in one of the locking lugs.

Like so many European-made rifles that have debuted over the past 25 years or so, this one has the bolt locking directly with abutments within the barrel itself, a feature that makes barrel interchangeability more practical. By replacing the barrel, bolt head and magazine box, it is possible to switch from, say, a .30-06 to a .338 Winchester Magnum.

Direct lockup offers several other advantages as well—some practical, some theoretical. First and foremost, by having the bolt lock up within the barrel, the number of stressed components is reduced by a third—i.e., from three to two. In a conventional bolt-action the bolt engages abutments within the receiver ring, thereby transferring firing stresses to it as well as to the bolt and barrel. In the case of the KR1 and similar guns, only the bolt and barrel are involved; the “receiver” needs serve only as a housing for the bolt, trigger unit and magazine. For that reason the receivers of such guns can be of a lightweight alloy. On paper, at least, direct lockup would seem to be superior to the Mauser system, because there are fewer stressed components and therefore less vibration.

Lacking a receiver, the Merkel has a shorter overall length than a conventional bolt gun. The Remington 700 above sports a 22” barrel, the Merkel below it has a 21.5” barrel, yet there’s still about a 2-1/2” difference between them.

Also, with the barrel serving the same function as the receiver ring in a Mauser-type action, you eliminate that portion of the gun normally taken up by the barrel shank/receiver ring. The net result, all other things equal, is that you save in overall length. For example, the test gun I was sent was in .30-06 and therefore sported a standard-length action, yet with a 21-1/2” barrel the overall length of the rifle was slightly more than 40”, or about 2-1/2” shorter than a 22”-barreled Remington 700 in the same caliber.

Just as the bolt needs nothing other than a support structure to keep it in alignment with the chamber as the action is cycled, the barrel needs only a V-block of sorts to keep it aligned with the bolt. That’s why it’s fairly easy to incorporate barrel interchangeability into a direct-lockup system. Only two threaded studs welded to the bottom of the barrel shank are needed to position the barrel and provide idiot-proof barrel-changing capability. In the case of the KR1, two captive Allen-head machine nuts secure the barrel to its V-block. The forward one is exposed at the front of the floorplate tenon, the other is exposed when the integrated floorplate/trigger-guard unit is dropped down. In that respect this rifle is similar to the Browning A-Bolt in that the entire bottom metal unit is hinged at the front. A release latch just ahead of the guard bow drops the floorplate, exposing the detachable box magazine. Unlike the Browning, however, the box does not attach/detach from the floorplate, so it doesn’t drop down with it. The box is simply trapped between the floorplate and the lower receiver unit and drops out when the bottom is opened. This magazine can be charged from the top, just like a conventional bolt-action—a very good feature.

Everything about the KR1 is flush with the stock surface, and there are no protruding components other than the bolt handle.

Trigger Talk
Compared to a Mauser or Winchester Model 70 trigger, the KR1’s is typically complex—and, being a set trigger, doubly so. The finger piece is attached to the bottom metal unit and therefore drops down with it when opened. The actual trigger mechanism is integrated into the lower receiver unit I spoke of, which is mated to the stock and without which the gun can’t function. It’s oh so different from our bolt-action rifles.

The three-position safety is conveniently located on the rear tang where it falls under the thumb. In the center of the thumbpiece is a locking tab that must be depressed to move it fore and aft. Fully rearward locks the bolt and blocks the sear. In the central position the sear is still blocked, but the action can be cycled for safe loading and unloading.

Pushing the trigger’s finger piece forward about a quarter-inch activates the set trigger, which on the test gun broke at a very light six ounces. Once set, it can be deactivated by engaging the safety and pulling the trigger. In so doing, the system reverts to functioning like a conventional trigger—in this case one that broke at 2-1/4 pounds, which is light enough to make the typical trial lawyer lick his chops.

This is only a portion of the complete article.  To see the remainder of the article visit the tactical-life website here.  

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