Ever wonder why your 22 isn't performing? Weigh your ammo!

HANDLOADER magazine advertises a rim measuring device.

There are lots of premium rimfite ammo available.

Me? Rimfires are for fun, new shooters, whacking varmints and dispatching livestock. So I use whatever stuff works in my guns :)

One thing interesting to note is this - Wildcat ammo functions best in my SR-22. I'm not looking for Moa, just hit a 3" gong at 100 m. Which it will do, over and over. But I would say one round in ten has no intention of hitting this gong and it's a wild flyer. The SR-22 plus wildcat is not a combination for superb accuracy to begin with, but it does exemplify the 22 flyer issue. Clank clank clank -wild 6" off flyer- clank clank clank :)
 
stubblejumper said:
I will just continue to purchase better quality ammunition like SK Standard Plus, and shoot smaller groups at 50 yards than the smaller group posted, with no weighing or sorting required.
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Good point. My only point was that sorting makes a difference for me and gives me a level of accuracy that I am happy with. I do not presume to speak to other shooter's expectations or requirements, or to make recommendations. If I were a serious, competitive shooter, my ammo choice would reflect that.
 
I have been down the ammo weighing road, and here are my conclusions.

1. I no longer have that time to waste.
2. Poor quality ammo is likely to vary a lot in weight.
3. High quality ammo is likely to be very consistent in weight. I measured a box of Lapua Midas M, and they all weighed the same to a tenth of a grain.
4. Some poor quality, poor shooting ammo was very consistent in weight - CCI Blazers
5. You can usually identify high quality ammo by weighing it.
6. You can't make high quality ammo from poor quality ammo by sorting it by weight.
7. The best indicator of target ammo quality is probably the list price - there is no free lunch!
 
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