KUENG CUSTOM-MADE AIRGUNS

 


 

AT THE RANGE

 

Rifle #004

May 2005 - Breaking-in the hunting rifle

I have joined a rimfire club to shoot at a nearby open range at 50 meters. Field Target is completely unknown in Switzerland. That range has never seen an airgun until now.

The #004 is a 12 footpound version in cal. 177. It sure is a smooth shooter for that reason. Less is sometimes not really less. Something to consider for power-oriented folks (like me).

Testing this bare-bones hunting rifle worked great as it was totally windstill on that day. (See that wind bag.)

 

 

The sight picture as it presents itself through the Hawke Pro-Stalk 3-9x50 with a Mil-Pro reticle. We have some of those and their bigger siblings in our shop. Great scopes!

With to the rifle's sedated power and recoil-free design it's possible to watch the 800fps bullet flying through the air.

 

 

Rifle #002

November 2004 - The hunting rifle with a police sniper look is finished!

Testing at the rimfire range: at 50 meters it shoots tight groups already, considering it is not yet broken in after a total of less than 50 rounds since it was built!

 

 

Caliber is .22; V0 840 ft/s with 14.0gr RWS Meisters; resulting to an E0 of 22ft/lbs. Scope is a Deben Mil-Pro 2.5 - 10 x 50.

 

 

April 2005 - Some paper punching

Shooting at an open field rimfire range: at 50 meters it seems to do best with JSB Exacts. The Crosman Premiers (die #3; out of the box) come close, but the JSBs are better: one 10 shot group revealed 24mm c-t-c.

More accuracy testing must be saved for later...

 

 

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Rifle #001

April 2004 - Some paper punching in the field at a tape-measured 50 yards. The target is in the upper left quarter of the picture - hard to see. At this distance, the air rifle printed sub-inch groups all day long until I got exhausted and the groups spread a little...

Though it looks as if the camera had a cant, the terrain is indeed that steep. In the foreground is a pretty flat and even platform from where it's great to take a shooting position.

The maximum range beyond the far stone wall to the little creek where the young birch trees are (top right triangle) is 80 meters. The rifle shoots 8.5" low at that distance - a pretty flat trajectory, especially when you take into account that the Baracuda is one of the heaviest .177 pellet. It has still quite a punch and groups fine.

 

We are completely honest about what accurracy you can expect, hence this display of some paper targets. Note that we consecutively shoot 5 or 10 rounds, never just 3.

March 2004 - a dedicated group of 10 rounds shot from bench rest position at an indoor range. Distance is an approved 50 meters/54.7 yards. Pellets are H&N Baracuda (Beeman Kodiak); obviously the best for this gun.

I have tested a few other pellets and though being all on target, I doubt the Baracudas can be beaten.

Center-to-center is 19mm/0.748". This translates to 1.5MOA; a score of 98!

I admit what is shown here is the best pick [blush]. The other groups were pretty good however; 22mm/0.866", 23mm/0.905", and 24mm/0.945. They were consecutive but I can't remember the order.

 

 

 

April 2004 - 10 round groups at the 50 meters/54.7 yards indoor range; rifle #001 in bench rest position:

Left: After some sighting-in, our guest from India shot a very nice group of only 25mm/1" c-t-c at 10 times magnification, remarking what a smooth shooting gun it is.

Right: My wife swears she never shot a rifle in her life before, yet the 001 would only once allow her to miss the bull's eye, the total spread including this flyer still a respectable 2 inches!

Interesting to note that both groups were shot with identical scope sight adjustments; by two shooters holding the rifle differently, one lefthand, the other one righthand, with different contact points of the forarm stock on the sandbag. Concluding the gun is not very hold sensitive really.

 

 

 

10m/11yd bench rest groups; 5 rounds each bull's eye; c-t-c groups (from to left to bottom right): 3.5mm/0.138"; 1.5mm/0.059"; 4.0mm/0.157"; 4.0mm/0.157"; 3.5mm/0.138. Pellets: H&N Baracuda (Beeman Kodiak). The 001 was finally starting to break-in after a total of about 600 rounds.

Note that this was a single attempt of shooting groups after some plinking and sighting-in. It is not just the best pick; therefore reflecting repeatable accuracy.

Never shy of an excuse, but I was in a hurry shooting those groups; I'm pretty sure the more ragged holes are my fault. I keep making the mistake of holding the gun inconsistently; a faux-pas with springers. This does not seem to greatly influence the performance as is the case with other springers. It shoots pretty much like a pneumatic.

See the rifle that prints those nice groups in the picture gallery.

 

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PROTOTYPE #2

September 2003 - The second field test with the light sporter stock and a Deben Mil-Pro 2.5-10x50 scope.

 

 

Notice something different to the first prototype? There is a different housing and safety bolt. (Compare with prototype #1 shown below)

Also, this pic demonstrates that I take care of the most trivial things like making a metal pivot point for the lever. The original is - you guessed it - plastic.

 

 

A ragged one-hole group seems to be the rule. Not too bad considering that the rifle is not yet broken-in...

 

 

The sporter stock in birch-laminate, no finish on action and stock. The stock is serving as a pattern to be copy-traced in walnut. The action got further modified.

 

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PROTOTYPE #1

June 2003 - Conducting tests with two prototypes, both in birch-laminate, unfinished action and stocks.

 

 

 

 

In the front is the lighter sporter stock, behind (assembled) the heavier field target/hunter stock.

 

 

The very first group shot with this gun shows its accuracy potential, bearing in mind that the barrel and spring are not yet broken in after less than 100 rounds shot, the screws were not all securely tightened, and - most of all - that scope is not very good. Distance was 40 yards at slightly windy conditions.

 

 

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