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| Bullets | |
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| Tweet Topic Started: 7th November 2006 - 05:38 PM (2,733 Views) | |
| photopro | 7th November 2006 - 05:38 PM Post #1 |
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It occurred to me that most of the Hunter World members do not have an FAC and maybe do not know the difference between a 0.22 rimfire bullet and a HMR 0.17 - so I have done a comparison. A - HMR 0.17 complete with ballistic tip B - Rimfire 0.22 copper coated with a hollow point C - Bisley Magnum 0.22 pellet ![]() Note the smaller projectile of the HMR yet by comparison, a vastly bigger casing and charge. The 17 HMR (Hornady Magnum Rimfire) ammo has a 17 gr. hollow point (filled with polycarbonate - the ballistic tip) boat tail bullet with a 0.172" diameter and delivers a muzzle velocity of about 2550 fps (depending on the barrel length). The muzzle energy is 245 ft-lb and with a 1-10" twist, the bullet is spinning at 183,500 rpm. A typical 22 Long Rifle cartridge has a bullet weight of 40 gr. more than twice the mass of the 17 HMR. The Bisley Magnum pellet is 21.4 gr. photopro |
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| Danger Mouse | 7th November 2006 - 07:19 PM Post #2 |
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Resident Sea Fishing and Pest Control expert
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Very interesting Photopro, I see that you have a gained an interest in this beastie since having a go with Hawkeyes! So anyway what is the muzzle velocity of the .22 rimfire and comparison with a 12ft lbs air rifle? Could you do us all a pro and cons of the different weapons? I am very impressed with my Rimmy (.22LR) and have just had my Logun uprated to FAC but as you know I am chomping at the bit about a .17HMR. I am sure that others would benefit from your knowlege of such matters (James for one!) (me for another) and your help would be greatly appreciated! :) By the way those HMR rounds look like a small lipstick! :D |
Before you judge a man, walk a mile in his shoes. After that who cares? ....... He's a mile away and you've got his shoes!
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| hawkeye | 7th November 2006 - 07:27 PM Post #3 |
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CROW & FOX Killer BUT scared SHITLESS of DAREBEAR
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DM you want to see the 223 rounds they look like a large lipstick. :P :P :D :D |
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MIKE Hawkeye the noooooooooooo CLICK TO WATCH
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| Danger Mouse | 7th November 2006 - 07:29 PM Post #4 |
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Resident Sea Fishing and Pest Control expert
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Look more like a small vibrator to me! Well it would give her a good "bang"ing.......
:wub:
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Before you judge a man, walk a mile in his shoes. After that who cares? ....... He's a mile away and you've got his shoes!
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| Ronnie | 8th November 2006 - 12:13 AM Post #5 |
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id never previously seen hmr ballistic rounds before, is this what you would use for a more long distance shot? |
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| photopro | 8th November 2006 - 01:29 AM Post #6 |
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The short answer to that I suppose is yes in that the quarry is the same but the HMR has a very flat trajectory. Interestingly Cleveland Police seem to be one of the few forces which have OK'd the HMR for foxes, most insist on 223 or 22-250 and the like. Colin of MAG (a recent new member) has some interesting stories along these lines, come on Colin get typing. photopro |
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| photopro | 8th November 2006 - 02:29 AM Post #7 |
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As most members should (will?) know, the legal maximum power for an unlicenced air rifle is 12 ft/lb, gives the approximate values as follows:- A 0.22 pellet weighing 14.4 grains, maximum permissible speed is 612 ft/sec. A 0.177 pellet weighing 7.9 grains, maximum permissible speed is 826 ft/sec 0.22 LR (long rifle) ammunition is available in a very wide variety of specs, and a very wide price range. Bullet weights range from 30 to 60 grains (1.9 to 3.9 g), velocities from 350 to 1750 feet per second (110 to 530 m/s). Subsonic, High Velocity and Hyper Velocity. Most shooters in this country use subsonic since most sporting 0.22 rimfires are used to shoot rabbits at ranges up to about 125 yds but often significantly more. As you would expect there is bullet drop which varies between different brands of bullet and very significantly between Subsonic and High Velocity. Subsonic bullets have a muzzle velocity of 330 m/s (1082 ft/s) or less, high velocity (standard) rounds have a slightly supersonic muzzle velocity of around 1125 ft/s(350 m/s) and a "normal" bullet weight of 2.5 to 2.6 grams (40 grains). Hyper velocity bullets can have a muzzle velocity of 450 to 550 m/s and this velocity is partially due to the light bullets they use. Subsonic is held to be effective within 150 metres (490 ft) after 150 metres the ballistics of the round are such that the large "drop" will be difficult to compensate. The trajectory of the .22 LR has a 2.7 inch rise at 50 yards and 10.8 inch drop at 150 yards when zeroed at 100 yards. Practically speaking, a .22 LR rifle needs to be zeroed at about 75 yards to avoid over-shooting small animals like squirrels at intermediate distances. Watch the comparisons, some of the units are m/s others ft/s. Rimfire 0.22 do ricochet a lot and will sometimes deflect off hard ground. The popularity of HMR 0.17 is in some part due to their frangible nature (and superbly flat trajectory) i.e. there disintegrate rather than ricochet. [Re-cycled and tagged onto this thread from an earlier post - saved me typing it again.)
To be honest there are several other members as au fait - sod it that's French - familiar, but my photography is maybe a tad better. *good* B) photopro |
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| Danger Mouse | 8th November 2006 - 08:14 PM Post #8 |
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Resident Sea Fishing and Pest Control expert
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Nice one Pro, thanks for that mate! :) |
Before you judge a man, walk a mile in his shoes. After that who cares? ....... He's a mile away and you've got his shoes!
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| James@Scarborough | 8th November 2006 - 11:52 PM Post #9 |
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Very interesting information. I have to say I like the safety aspect of the .17, but I think the rounds are a little expensive. I also don't think I would be confident at taking a shot of 150yds or more. I had a shot with a .22lr a few weeks ago, and was very impressed. Having never used one before I was suprised that I could hit a penny at 65yds without any problem :o . Neddless to say, when I get my FAC I'll be putting .17 on just in case I try one and change my mind ;) . |
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Remington 700 CDL .243Win LH + Nikko Sterling Gameking + PES T12 Mod CZ452 .22lr Amercan LH + Nikko Sterling Nite Eater + PH mod Browning Silver Semi Auto m/c HW95 + HW mod + Hawke 4x32 | |
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| photopro | 9th November 2006 - 10:43 PM Post #10 |
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OK then I hope I've whetted your appetite, get the forms from plod and get that application in !! *good* Are you reading this member number 1 ?? photopro |
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| James@Scarborough | 10th November 2006 - 01:05 AM Post #11 |
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They're in the post as we speak, er, I mean type ;) .
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Remington 700 CDL .243Win LH + Nikko Sterling Gameking + PES T12 Mod CZ452 .22lr Amercan LH + Nikko Sterling Nite Eater + PH mod Browning Silver Semi Auto m/c HW95 + HW mod + Hawke 4x32 | |
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| Neil | 10th November 2006 - 01:11 AM Post #12 |
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The Master Blaster
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Oh thats me!, yeah it will be happening shortly :D
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www.hunterworld.co.uk http://www.flickr.com/photos/hunterworld/show/with/4466121918/ | |
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| Danger Mouse | 10th November 2006 - 09:31 AM Post #13 |
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Resident Sea Fishing and Pest Control expert
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Why are you calling Photopro Shortly? :huh: :D |
Before you judge a man, walk a mile in his shoes. After that who cares? ....... He's a mile away and you've got his shoes!
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| col@mag | 10th November 2006 - 09:13 PM Post #14 |
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New member
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i love my HMR i have shot rabbits out to 180y with it
:) and it not the best fox killer i have its only for short range 100y or so col :ph43r: |
| .22rf .17hmr .17rem .204ruger .22-250x2 .243x2 .243wssm .308/7.62mm fac 12bore 410 shotgun pistol .357mag .44mag | |
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| photopro | 10th November 2006 - 10:44 PM Post #15 |
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How many guns do you have though Colin ? Not many of us could claim to own & shoot a 7.62mm calibre rifle - amongst numerous other things !! Some of us have to scrape by with only two shotguns (well one at the moment) and two rifles. :( photopro |
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| Neil | 10th November 2006 - 10:49 PM Post #16 |
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The Master Blaster
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Quite a few according to this list! .22rf .17hmr .17rem .204ruger .22-250 .243 .243wssm .308/7.62mm fac 12bore 410 shotgun pistol How much fun? :D |
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www.hunterworld.co.uk http://www.flickr.com/photos/hunterworld/show/with/4466121918/ | |
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| Danger Mouse | 10th November 2006 - 11:24 PM Post #17 |
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Resident Sea Fishing and Pest Control expert
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KIN ELL! :o A one man army! :ph43r: |
Before you judge a man, walk a mile in his shoes. After that who cares? ....... He's a mile away and you've got his shoes!
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| col@mag | 10th November 2006 - 11:48 PM Post #18 |
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:D sorry forgot to put in .357mag and .44mag for vermin on my fac col :ph43r: |
| .22rf .17hmr .17rem .204ruger .22-250x2 .243x2 .243wssm .308/7.62mm fac 12bore 410 shotgun pistol .357mag .44mag | |
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| photopro | 10th November 2006 - 11:53 PM Post #19 |
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Oh and thanks for the link photopro - that's alright Col - don't mention it.
:) photopro |
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| Danger Mouse | 10th November 2006 - 11:56 PM Post #20 |
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Resident Sea Fishing and Pest Control expert
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COL, how the feck do you decide which one to take with you? I know some are for specific jobs but you've got more choice than a gull looking for someone to crap on on the beach on a hot sunny day in Scarborough! B) |
Before you judge a man, walk a mile in his shoes. After that who cares? ....... He's a mile away and you've got his shoes!
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| col@mag | 10th November 2006 - 11:59 PM Post #21 |
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oh thanks for the link photopro col :ph43r: |
| .22rf .17hmr .17rem .204ruger .22-250x2 .243x2 .243wssm .308/7.62mm fac 12bore 410 shotgun pistol .357mag .44mag | |
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| col@mag | 11th November 2006 - 12:09 AM Post #22 |
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New member
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danger mouse i have LOTS of land to shoot over so just pic gun for the land am shooting on. yes i have lots of guns its not an over night thing i have had an FAC for 17 years so in that time you tend to pick 1 or 2 up as you go along. col :ph43r: |
| .22rf .17hmr .17rem .204ruger .22-250x2 .243x2 .243wssm .308/7.62mm fac 12bore 410 shotgun pistol .357mag .44mag | |
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| photopro | 11th November 2006 - 12:15 AM Post #23 |
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Don't mention it Colin - I don't know what made you bring up the subject !! photopro |
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| Sam | 14th November 2006 - 01:56 AM Post #24 |
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If WW3 ever kicks off, me & Col will be ok! *QQQ* B) |
![]() M.D. - CS Airguns & Firearms Administrator - airgunforum.net Moderator - airguntalk.com CS Falcon FN-19 .177 CS Rapid MkI .22 CS Rapid MkI .22 - 60ft/lbs FAC CS 452 Lux .22LR Ultra Carbine CS CBC/Remington 511 .22LR CZ 452 American .17HMR - coming soon CS M77 MkII Tactical .223 CS S/B M30 Sec-1 Pump Action 12g | |
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Well it would give her a good "bang"ing.......
:wub:


9:39 AM Jul 11