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Rifles, Reloading, Optics, Equipment
Rimfire and Airguns
sub or super sonic?
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<blockquote data-quote="A Papworth" data-source="post: 150200" data-attributes="member: 5464"><p>I have been using the .22 rimfire for the past 20 odd years for rabbits and other things but have recently put a Super Sniper 10x40 scope onto my Sako finfire and worked up a balistics chart for adjustments. Well, when using a lazer rangefinder it's as though I've found a new rifle, those rabbits at 110 metres never realise how vunerable they are! /ubbthreads/images/graemlins/grin.gif </p><p></p><p>Due to the way that we have used rf's in the past for night shooting or close stalking the sub sonic ammo has been king. Quiet report, accurate, hard hitting 40 gr. bullet (relatively to other rf ammo) and less wind drift than the faster rounds (but still loads by comparison the a cf round). I've tested this Eley ammo out to 100 metres on a target and found that it will easily return a 1.5 moa group in return for good shooting and don't really feel that that this can be improved on by many degrees.</p><p></p><p>I notice that most of you guys seem to use or mention super sonic ammo. Considering all that is written about the turbulance problems of bullets coming back though the sound barrier, I am wondering if anyone has any observations of rf bullets being affected, since my calculations show this to be in the 70 to 80 metre mark for high velocity ammo?</p><p></p><p>Which ammo speed is used the most for long range work?</p><p></p><p>Thanks for any input</p><p></p><p>Pappers</p></blockquote><p></p>
[QUOTE="A Papworth, post: 150200, member: 5464"] I have been using the .22 rimfire for the past 20 odd years for rabbits and other things but have recently put a Super Sniper 10x40 scope onto my Sako finfire and worked up a balistics chart for adjustments. Well, when using a lazer rangefinder it's as though I've found a new rifle, those rabbits at 110 metres never realise how vunerable they are! [img]/ubbthreads/images/graemlins/grin.gif[/img] Due to the way that we have used rf's in the past for night shooting or close stalking the sub sonic ammo has been king. Quiet report, accurate, hard hitting 40 gr. bullet (relatively to other rf ammo) and less wind drift than the faster rounds (but still loads by comparison the a cf round). I've tested this Eley ammo out to 100 metres on a target and found that it will easily return a 1.5 moa group in return for good shooting and don't really feel that that this can be improved on by many degrees. I notice that most of you guys seem to use or mention super sonic ammo. Considering all that is written about the turbulance problems of bullets coming back though the sound barrier, I am wondering if anyone has any observations of rf bullets being affected, since my calculations show this to be in the 70 to 80 metre mark for high velocity ammo? Which ammo speed is used the most for long range work? Thanks for any input Pappers [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rimfire and Airguns
sub or super sonic?
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