la bala Posted March 6, 2013 Report Share Posted March 6, 2013 hi, i have just stocked up on some 22 winchester subs, they are in the new design boxes and rated at 1065 ft/s, correct me if i am wrong but didnt they used to be something like 1050 ft/s. my question is will it affect the zero at all. Quote Link to comment Share on other sites More sharing options...
wymberley Posted March 6, 2013 Report Share Posted March 6, 2013 I seem to remember that they've always been 1065. However, if 'twas 1050 and you, say have zeroed at 50 yards, at 75 you will now be hitting 0.07" higher than before. I would imagine that you'd take that as a 'no'! Quote Link to comment Share on other sites More sharing options...
la bala Posted March 6, 2013 Author Report Share Posted March 6, 2013 i know where i got that figure now, it on my Hawke BRC software, and it is 1051. Quote Link to comment Share on other sites More sharing options...
sitsinhedges Posted March 6, 2013 Report Share Posted March 6, 2013 Maybe they moved the chrono a foot closer Quote Link to comment Share on other sites More sharing options...
1066 Posted March 6, 2013 Report Share Posted March 6, 2013 You really need to shoot a series through a chrony to give you a better idea, depends also on length of barrel etc. I recently ran some Eley subs through the chrony and they were no where near the stated figure. Eley say 1065ft, Chrony (and field tests) tests showed 1020ft. It's not really a problem for me, they are very accurate and consistent in my rifle and to be honest a rabbit at 70yds doesn't really know if he's having his ears cleaned out with a bullet at 70 or 80ftlbs. Quote Link to comment Share on other sites More sharing options...
Alycidon Posted March 6, 2013 Report Share Posted March 6, 2013 Nothing to worry about, just shot them. Zero should be constant. A Quote Link to comment Share on other sites More sharing options...
Redgum Posted March 6, 2013 Report Share Posted March 6, 2013 (edited) You really need to shoot a series through a chrony to give you a better idea, depends also on length of barrel etc. I recently ran some Eley subs through the chrony and they were no where near the stated figure. Eley say 1065ft, Chrony (and field tests) tests showed 1020ft. It's not really a problem for me, they are very accurate and consistent in my rifle and to be honest a rabbit at 70yds doesn't really know if he's having his ears cleaned out with a bullet at 70 or 80ftlbs. Exactly, does it really matter, the answer to your question is that the differance would be minimal, there are so many other variables, especially with barrel length. Its reliable ammo and if your gun is zeroed for that ammo then so be it. I find cci's alway shoot a tad higher in my .22lr but I will always check zero when changing ammunition. As for the Hawke ballastic programme, use it as a guide but do your own testing at differant ranges. When I test a new load in centrefire I find that faster loads can be lower, to the right or left, its the consistant acuracy I'm after ie group size, just zero with what your using. Edited March 6, 2013 by Redgum Quote Link to comment Share on other sites More sharing options...
la bala Posted March 6, 2013 Author Report Share Posted March 6, 2013 thanks for your input lads. Quote Link to comment Share on other sites More sharing options...
deershooter Posted March 6, 2013 Report Share Posted March 6, 2013 You should always check zero with new ammo when shooting live quarry, as no one wants to leave injured animals in the field Deershooter Quote Link to comment Share on other sites More sharing options...
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