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Shaft collars (several different diameter sizes) , on Amazon: 1.00" Bore Diameter - Clamping Two Piece Shaft Collar - 303 Stainless Steel

Eley Tenex

As of this post Polar Biathlon supply seems to be nearly exhausted in US on my search ,with the price at approximately $195 USD. X-ACT is not available anywhere with the last internet prices listed being approximately $350 USD. A very recent RUclips video from The Gunslinger 4570 interviewing the Lapua rep at Shot Show 2025 reveals worldwide demand affecting supply. This most likely results in premium pricing. A brick can go pretty fast! Thanks for the insight.

Very interesting! I have never shot a biathlon rifle but would like the experience one day. I do shoot at a 20 yard indoor range where biathlon shooting occurs and some of the targets left on the counter show results equal to high end bench rifles with high power glass! Thanks for the comment!

Where did you order this rifle from? I cannot find it anywhere

www.steyr-arms.com/en/hunting-rifles/zephyr-ii/

I do believe the Polar Biathlon group would have been tighter if it was first. By the time I was halfway into the group I could not feel my trigger finger due to the cold and pulled the trigger using my arm to pull my finger back instead of a nice finger pad push or squeeze. Also, the wind was picking up a bit as the temperature was dropping during the second group. All in all, things were getting a bit sloppy compared to the X-Act group. So much so as pointed out by another I targeted the X-Act POA while shooting the Polar Biathlon group. However, I saw enough of the Biathlon group to rank it a decent round. Originally, I had intended to shoot the three 1-inch bulls eye squares under each group for a quick accuracy showing but things got too cold too fast, and I didn't think I could focus and offer a credible attempt.

@22rimfireultra67 Yeah, that looked super cold, buddy!! 🥶 I shot in -28° last year, and it was not fun. Rounds were sticking in the chamber, and like you, my fingers were gone 🤣 It gets darn cold up here in the sticks. I have some Polar Biathlon, but my rifles don't like it much. Maybe it wasn't cold enough yet? I did put a compensator on my Bergara, and it seemed to bring them in quite a bit. Maybe I will try some in the same weather you just went into. I think it's coming here soon. It actually should have been here at the end of December. We are late this year, which scares me. Think we are in deep trouble for the end of January until the end of March first of April 😰

Yes, the Polar Biathlon (1099 f/s) is a bit faster than the X-Act (1069 f/s). The X-Act group is actually tighter than I indicated. It was pointed out by jackjill that during the Polar group I shot a round into the X-Act group. This round was high and skewed the measurement. Re-measuring gives a reading of approximately 0.49". Good consistency.

It got cold during the Polar Biathlon. All I could think about was a blazing fire and something hot to drink. I wore 'skateboarders' mitten/gloves to unload and set up. Nice and warm. But switched to thumb and index finger 'open' gloves for shooting. That works with obvious limitations.

So I did! Good catch! On re-checking, that would give X-Act a new measurement of 0.49" (roughly). Also, on counting X-Act shots, there were 34 fired in stead of the intended 30. I blame the cold! 🥶😉

The Polar Biathlon is slightly faster than X-Act. That plus maybe the burn rate makes it a better choice in the cold? They both shot pretty good today.

@ Interesting Thanks !

It is telling what drives us to be sure! Frost bite in the winter and sun burn in the summer 🥶🥵.

I didn't seem to be having any issues with the rig set up. But I was having trouble with the fingers. They reach a certain level of cold resulting in loss of sensation and fine motor use. 6-10*F can take a person down pretty quickly!

Vudoo standard : Ace barrel

LOL! It wasn't that long ago it would have bothered me as well. After watching the Vudoo Single Shot target shooting and an F-Class John video, I gave it a try. Instant improved vibratory stability. Now it feels odd for me to have it on with this target rifle when shooting. I do replace it when putting the rifle back in the case.

@22rimfireultra67 i like it as a reminder, so I get on the scope the same way every time, with very little input. I found that using it as a pillow just magnifies my heartbeat a lot!

.125 MOA NP-2DD reticle with 'floating center dot'. A beautiful target reticle!

Excellent !! I just ordered my V22s. Your videos helped inspire my decision making. That is the exact scope and reticle I chose. Thank you for filming all these tests.

It's a good shooter for sure!

Yes, that would have been nice to run some precision ammunition through. This Rem 541 has long ago been traded.

Yes, it's all very interesting. The .22LR ammunition that ultimately shows the best performance with a specific rifle is not price determined, but the multitude of variables that go into materials and manufacturing and the dynamics of operation. Then either the barrel likes it a lot or only a little.

Lifelong learning!

Great idea for a comparison video! 54 action single shot vs 54 action magazine fed. Will watch the weather and look for a day. Cheers!

@@22rimfireultra67 Awesome, I'm really looking forward to it.

First my disclaimer: I do not use a tuner. I just place one every now and then for interest. I do shoot with people who use tuners faithfully, and this is what they tell me: Must be 'tuned' for each lot of ammunition. Even if same brand, must be re-tuned if new lt.

Agreed!

I do not use copper coated bullets, so do not use copper solvents. I keep my barrel maintenance pretty simple. After 200 or so rounds I will use a .22 size bore mop or .22 size bore tip sponge, saturated with C4, attached to a .22 size pistol cleaning rod, pushed just into the chamber only from the breech end, and let soak for 5-15 minutes. After this I will use a dry 1" round 'Pro=Shot Products' cotton patch on a 'PatchWorm', fed breech end, and pull through completely exiting muzzle. I will repeat the cotton patches until dry. After this I pull a lightly oiled patch through one time. Before the next outing, I'll pull a patch through to remove most of the oil. As long as I continue with same manufacturer ammunition, with the same lubrication and lead composition I do not use anything other than Bore tech C4. I rarely push a rod through anymore. If I only shoot up to 100 rounds for an outing, I will omit the mop or bore tip sponge and start with a soaked 1" round cotton patch followed be additional dry patches until no further liquid absorbed. On checking with a bore scope, there is rarely (almost never) a carbon ring left requiring a more aggressive approach. All of this is with the school-of- thought that the barrel 'seasoned' properly with single source ammunition yields optimal performance. Anyhow, at this point in time, that is what I do.

@22rimfireultra67 thank you for your reply! Yes I follow pretty much the same process with the difference of using a dwey rod ( nylon coated) and I only use mineral spirit even on my rifles that shoot copper coated bullets. I'm against copper stripping as I don't believe that copper keeps building up. I actually think that it stabilise and mantein accuracy. I personally call it copper plating.

Not a racetrack. Range is in the flight path of an airport.

50 yards.

Nice comments, thanks. Larger number groups bring home the actual predictor of shot-to-shot consistency. And consistency leads to more 'x's'.

I can't say which ammo your Anschutz would shoot best. You would have to try different brands and see which it prefers. Even then, different lots of the same brand might perform differently from each other. A good source would be the Anschutz forum at Rimfire Central, FWIW, Anschutz North America tests and sells RWS ammunition.

You got to lot-test and see.. there is no shortcut to this. Each rifle is unique. I know that lots of people prefer tenex in their annies

Thanks! Will look up your channel.

Polar biathlon is waaaay better