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04-07-2012, 07:52 #1
- Join Date
- Jun 2012
Winchester .22 ammunition accuracy
Since Swartklip closed I know of a number of people who have been experimenting with different brands of .22 ammunition. This included me. I bought a couple of bricks Winchester .22 Super X and started testing them for accuracy.
The results were not too pleasing but I decided to stick with the ammo. Seeing as my .22 CBC has a difficult trigger I believed the fault to be own.
Months past and the groups did not get any tighter. Fellow members of Lowveld Hunters Platorand branch also tested the Winchester Super X in their rifles. With results the same across the board, the focus fell on the ammo.
Subsequently I decided to weigh the Winchesters. Being part of SANSSU from 2006 – 2009, I had the privilege of meeting .22 Junior Protea squad members. They related to me that a good number of competitive .22 shots weigh their .22 ammo before shooting as this greatly increases accuracy.
I decided to include Swartklip and Remington Cyclone in the weigh in to compare the Winchesters to. Here are the results:
Highest weight – 50.8 gr
Lowest weight – 49.9 gr
Average weight – 50.45 gr
Average deviation from average weight – 0.22 gr
Greatest deviation from average weight – 0.55 gr
Winchester Super X
Highest weight – 51.9 gr
Lowest weight – 51.1 gr
Average weight – 51.45 gr
Average deviation from average weight – 0.25 gr
Greatest deviation from average weight – 0.45 gr
Highest weight – 52.2 gr
Lowest weight – 51.8 gr
Average weight – 52 gr
Average deviation from average weight – 0.14 gr
Greatest deviation from average weight – 0.2 gr
I am now going to weigh and separate my .22 Winchester Super X ammo in increments of 0.2 gr. I hope to cut out those fliers.
If anyone has any other advice or information please do share.
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