I see 4 different types of Eley Tenex forsale at Midway. All I can find is the marketing hype about Eley. What is the difference between tenex,biathalon,pistol, and long range?
Oh, I weighed 50 rounds each of tenex and eley match. Match has a much greater range of weights. I have selected Federal match as my general purpose-practice ammo.
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I am not up to date, but Tenex was the base. Pistol is loaded hot enough to cycle the common target pistols, S&W, Ruger and High Standard. Biathlon is said to have a touch more primer compound in the rim for better cold ignition. Long Range was best quality, about like Federal 900B when it won all the Olympic gold medals in the 1990's.
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I have found it is more important to sort by rim thickness than overall weight in the same lot of 22 lr standard velocity ammo. Eley has been good stuff but do not overlook SK at a deal.
-Michael
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Tenex is their premier product and has been for decades...top tier! I just purchased a brick of their "ultra" LR. They should be embarrassed to offer it under the Eley logo. The round to round weight variance is as disappointing as its grouping and probably responsible for it.
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I think that the Biathlon has a bit mor powder to compensate for the cold weather.
In my 22 the Federal Champion shoots tighter for me. It is a BSA Martini with a 30" barrel and peep sights. Give it a try you never know.
These are at 100 yards with peep sight. That 30" barrel makes a difference. If I fire a BB or CB in it, I have to push the bullet out with a cleaning rod.
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Most of the difference between the types is how much ES and SD there is with each lot. The very best is the top tier. Then as the ammo that has larger sd's it is boxed at the next lower level. They have a couple of nose profiles. I shoot a lot of the match. It has the silver bullet and is easier to see the bullets path at longer range.
Then they have the regular bullet. It is dark grey. That is pretty much the standard bullet for most of their ammo. But it is still the same way as to what is what. The more consistent the more you pay.
Their Ultra LR had a recall as it shot worse than their cheapest ammo. NO one and I mean no one could get it to shoot in anything. When all the big names on YT were putting out vids on how bad it was they stopped production and recalled the ammo. @brooksharris you might want to check to see if that ammo is in the recall or not.
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I've had great luck with the 4 cases of Contact i bought 3 years back. Also three different lots of black box Match from the same timeframe.
i bought it all from Killough Shooting Sports in Texas ,the Eley USA facility.
"if it was easy we'd let women do it" don't tell my wife I said that!
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Glenn Latham shoots a MTR in matches. Maybe he'll give some advice about 22 ammo from what he's learned.
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Mhice: When you say rim thickness, do you mean diameter or thickness? How do measure thickness?
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Thanks for outing me, Pat! Actually I've been shooting the Ruger 10-22T more than the CZ-MTR in matches. The CZ falls in the same class as the full custom rifles, and while it's a good shooter, it's not quite that good. The 10-22T shoots in Squirrel Rifle class (no bolt guns).
The 10-22T has a tendency to lead with most all ammo, but some more than others. (Part of this is probably because it looks like it was chambered with a dull reamer, as the lands have some metal "wiped over" the grooves.) Although Eley Match (black box) shoots good in it, it leads pretty bad. SK and Lapua (same factory, same lube) are less prone to leading. Lapua Center-X is the most accurate I've tried, SK Std+ is pretty good and a good bit cheaper. Some people like SK Pistol Match, but the lot I tried has a LOT of low flyers at 50 yards. Eley ammo is usually more available than the others, with Lapua being the hardest to get.
Trying to make "cheap" ammo shoot better, I weighed a brick of SK Std+. The spread in weight was one full grain. I took one of the heaviest and one of the lightest cartridges and broke them down. Both contained the same powder charge (1.0 grs.) The heavy cartridge had a bullet that weighed 2/3 gr. more than the bullet from the light cartridge. The case from the heavy round weighed 1/3 grain more than the case from the light cartridge. So there was the difference. Swap the bullets from the two cases and what do you get? Two cartridges right in the middle of the weights. So what does weighing cartridges tell me? Nothing!!
Some shooters have had luck segregating bulk ammo (not target ammo) by weight. I have not tried that.
With both rifles, I've found the more I spend on ammo, the higher my scores. Funny how that works...
Glenn
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A consensus of opinion over on Rimfire central is that the best way to sort rimfire ammo is by PRICE, everything else is a waste of time. That said, sort away by whatever method you choose, after all it's your time.
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I concur with Glenn.
The biggest deal for me is the lot number, I've had two lot numbers of Eley Ten-X where one shot markedly better. The differential was age, newly purchased (shot better) versus the last of the previous lot.
It is my unfounded belief based on empirical evidence and sometimes failing memory that any premium ammunition approaching five years on your shelf should be shot up.
Farm boy from Illinois, living in the magical Pacific Northwest
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Like Bud, my Federal 900B from the late 1990's will not group within 1/8th inch at 50 yards anymore. But will do about 3/8th inch if I do my part, but not as good a shooter now 30 years later. I just keep 100 rounds and look at the boxes and think about the olden days.
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Mhice: When you say rim thickness, do you mean diameter or thickness? How do measure thickness?
Thickness of the rim front to back, not diameter, as it is how much fills the headspace of the chamber. 22 LR headspaces off the rim. The distance of the recess cut into the bolt and/or barrel depending on the firearm is a fixed dimension. The rim of the cartridge fills this area. A consist expansion area here is the same as shoulder bump on bottleneck centerfire cartridges as far as I am concerned. And since until recently, rimfires were not reloadable/customizable at home, it's all we had.
There are several gauges out there to measure 22 LR rim thickness. They look a lot like comparator gauges for headspace/bullet ogive that attach to a dial caliper. Give them a google.
-Michael
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You can use bolt shims to correct some of the head space issues with some rifles. If you measure the rims of the ammo you use, you can set head space to that ammo. That is the only reason you should know what the rim thickness is
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if it's the deterioration of the lube, why messing with the lube one way or the other offer redemption. With the price of match 22RF it might be worth a bit of labor.
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MidSouth Shooters Supply has a sale on Eley.
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Don’t have a .22 rifle. Used to shoot handgun silhouette with a 14” Andchutz, where the belief then, 1985-1995, was rim thickness was the determinant. That was out to 100-yards, iron sights. The Neil Jones was the gage everyone used.
Still have it and 6-700 rounds of ammo.
Tom
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A local gentleman here that is very serious 22lr BR Does rim thickness but he also has another gauge that shows you where the bullet engages in relationship to the back side of the rim. The variation seems to be where the rim hits chamber in relationship to the ojive of the bullet.if it folds differently then the bullet relationship to engaging varies.
I sold my time precision .22 benterest Rifle a while back as chasing expensive 22 ammo lots just got to be a pain.
I still have my CPA Schuetzen. 22 with a Douglas barrel that does not seem fussy at all.And it is far beyond my capability of offhand accuracy anyway.
I find it funny when guys are taking entry level factory guns and using a prechambered aftermarket barrel on it and going through all the sorting trouble to evaluate accuracy. I see these guys on youtube without any wind flags out..... To me that's hilarious.i.guess online wind doesn't matter .
"if it was easy we'd let women do it" don't tell my wife I said that!
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I think we all know that keyboard accuracy is just as accurate as online or You Tube accuracy. It’s just that the darned range accuracy is just so finicky.
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