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Recoil!

This is a discussion on Recoil! within the Articles forums, part of the HUNT AFRICA category; Recoil! Fellow hunters ! This is very usefull information for all choices of caliber. We’ve had a number of people ...

  1. #1
    michaelhh375's Avatar
    michaelhh375 is offline AH Veteran
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    Default Recoil!

    Recoil!

    Fellow hunters ! This is very usefull information for all choices of caliber.

    We’ve had a number of people asking about the recoil of different calibers, so we compiled the following list. Please bear in mind that there are several factors affecting the "felt recoil" of any rifle that you shoot. These include the weight and shape of the stock and how they fit you. Also, I have found that on some days I feel the recoil of the rifles that I shoot more than others.

    All the following were worked through LOAD FROM A DISK program, other programs might give you different results. We tried to be as accurate as we possibly can. We used weights of rifles that we have on record, and we used powder charges and bullets pulled from factory ammo for our data entry.

    For some of the popular calibers we have included data on more than one bullet weight. The data in the last column was included at the urging of one of our geniuses here. He thought it would make it easier to understand. It is really nothing more than multiplying the recoil velocity by the recoil force. We’ve had quite a discussion on this subject, and we also decided, by a unanimous decision, to add the following advice to help you to interpret the following table.

    Any rifle that has a Recoil Factor of less than 100 can be shot by anyone that can handle a rifle.

    Between 100 and 200 is moderate.

    Between 200 and 300 is moderately heavy .

    Between 300 and 400 is heavy.

    Between 400 and 700 is very heavy.

    Between 700 and 1000 is extremely heavy.

    Between 1000 and 3000 very painful.

    Anything over 4000, if you are seriously considering hunting with this rifle, then you are living a couple of million years out of date, as the dinosaurs do not exist today! And despite everything that has been written on the subject of "charge stopping" calibers, bullet placement and bullet performance is much more important than the actual caliber. I am not suggesting that you take your favourite deer hunting rifle and go chasing cape buffaloes or elephants with, just use some common sense.

    CALIBER RIFLE WEIGHT BULLET WEIGHT RECOIL VELOCITY RECOIL ENERGY RECOIL FACTOR
    17 REM 7 25 4.1 1.8 7.4
    22 HORNET 6.5 45 3.5 1.3 4.6
    222 REM 7 50 4.8 2.5 12.0
    223 REM 7 55 5.9 3.8 22.4
    22 PPC 7.5 52 5.8 3.7 21.5
    22-250 REM 7.5 55 7.0 5.4 37.8
    220 SWIFT 7.5 55 7.6 6.2 47.1
    6MM BR REM 8 100 6.8 5.8 39.4
    6MM PPC 8 70 5.8 4.2 24.4
    6MM BR NORMA 8 107 7.8 7.6 59.3
    243 WIN 8 100 8.5 8.9 75.7
    6MM REM 8 100 8.9 9.9 88.1
    257 ROBERTS 8 117 9.1 10.3 93.7
    25-06 REM 8 120 10.6 13.8 146.3
    257 WBY 8.5 100 10.6 14.8 156.9
    257 SCRAMJET 9 100 10.4 15.1 157.0
    6.5 X 55 8.5 140 9.9 13.0 128.7
    260 REM 8 140 10.0 12.5 125
    264 W MAG 8.5 140 12.0 18.9 226.8
    6.71 BLACKBIRD 9 140 13.2 24.3 320.7
    270 WIN 8.5 130 10.7 15.2 162.6

    150 11.2 16.6 185.9
    270 WBY 8.5 130 11.9 18.8 223.7

    150 12.7 21.4 271.8
    7 X 57 8.5 154 10.1 13.5 136.4
    7MM-08 REM 8 120 9.9 12.2 120.8

    154 11.0 14.9 163.9
    280 REM 8.5 140 11.2 16.6 185.9

    165 12.0 19.0 228.0
    7MM R MAG 8.5 140 12.3 19.8 243.5

    160 12.8 21.5 275.2

    175 13.3 23.2 308.6
    7MM WBY 9 140 12.1 20.3 245.6

    160 13.0 23.7 308.1

    175 13.0 23.5 305.5
    7MM STW 9 140 12.7 22.6 287.0

    160 13.7 26.3 360.3
    7.21 FIREHAWK 9 140 13.9 27.0 375.3
    308 WIN 8.5 155 6.4 5.5 35.2

    150 10.1 13.4 135.3

    168 10.7 15.0 160.5

    180 11.0 16.0 176.0
    30-06 8.5 155 7.7 7.8 160.1

    165 11.9 18.8 223.7

    178 12.3 20.0 246.0

    220 13.1 22.6 296.1
    7.82 PATRIOT 8.5 150 13.4 23.8 318.9
    300 DAKOTA 9 200 14.7 30.3 445.4
    300 WIN MAGNUM 9 150 13.2 24.2 319.4

    180 13.9 27.1 376.7
    300 WBY 9 150 14.3 28.7 410.4

    220 15.7 34.3 538.5
    300 WARBIRD 9 180 15.8 34.9 551.4
    300 PEGASUS 9 180 17.2 41.5 713.8
    8 X 57 MAUSER 9 170 9.3 12.1 112.5
    8 REM MAG 9 220 15.0 31.3 469.5
    330 DAKOTA 9 250 17.2 41.4 712.1
    338 LAPUA 9.5 250 16.9 41.9 708.1
    338 W MAG 9.5 225 14.7 31.9 468.9
    340 WBY 9.5 250 17.0 42.6 724.2
    338 A-SQUARE 9.5 250 18.3 49.6 907.7
    338 TITAN 9.5 225 17.5 45.4 794.5
    338 EXCALIBER 9.5 250 19.4 55.7 1080.6
    358 STA 9.5 275 17.2 43.6 749.9
    9.3 X 62 9.5 286 14.1 29.2 411.7
    9.3 X 64 9.5 286 16.1 38.3 616.6
    375 DAKOTA 9.5 300 17.4 44.9 781.3
    375 H & H 9.5 300 16.2 38.8 628.6
    378 WBY 10 300 20.0 59.0 1180
    375 A-SQUARE 10 300 19.9 58.4 1162.2
    416 DAKOTA 10 400 20.0 62.1 1242.0
    416 REM 10 400 19.3 57.9 1117.5
    416 RIGBY 10 400 19.7 60.3 1187.9
    416 WBY 10 400 22.3 77.1 1719.3
    10.57 METEOR 10 400 22.6 79.1 1787.7
    458 W MAG 10 500 18.6 53.6 997.0
    450 DAKOTA 10 500 22.5 78.7 1770.8
    450 ACKLEY 10 500 21.7 72.8 1579.8
    458 LOTT 10 500 21.4 71.1 1521.5
    460 A-SQUARE 10 500 23.6 86.3 2036.7
    460 WBY 10 500 25.7 102.2 2626.6
    470 RIGBY 10 500 21.6 72.7 1570.3
    470 NITRO 12 500 18.0 60.6 1090.8
    475 # 2 12 500 18.3 62.6 1138.3
    505 GIBBS 12 525 20.6 78.8 1623.3
    500 NITRO 12 600 20.5 78.3 1605.2
    495 A-SQUARE 13 600 20.2 82.2 1660.4
    500 A-SQUARE 13 700 22.8 105.0 2394.0
    577 NITRO 13.5 750 22.2 99.2 2202.2
    577 TYRANO 13.5 750 28.3 168.5 4768.6
    600 NITRO 14.5 900 23.7 117.8 2791.9
    700 NITRO 15 1200 21.7 109.8 2382.7
    700 NITRO 18.25 1000 28 235 6580


  2. #2
    MarineHawk is offline AH Senior Member
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    IUMO, the chart is really useful in setting out the fifth column--the recoil energy of the various cartridges. As I said before, multiplying energy by velocity, has no basis in science or experience, and overstates the velocity of the bullet. The recoil energy (subject to variables like the fitting of the stock and the recoil pad, etc ...) mstates, as a matter of physics, the destructive impact (i.e., ouchyness) of the recoiling rifle. Multiplying that long and scientifically accepted result yet again by the velocity of the recoiling rifle (recoil energy already is proportional to the square of the velocity VxV) has no support to describe the practical impact of a recoiling rifle. The fifth collumn is very helpful. The sixth collumn cannot be an accurate characterization of recoil effect. I know of no scientific forumula (the sixth collumn is one of those) that predicts a destructive impact by the cube of the velocity of the projectile (VxVxV). NASA uses energy (1/2MV^2) to predict the destructive effect of projectiles (that's what a recoiling rifle is); so does the defense department; so do the weapons labs; so do the firearms and ammo manufacturers; so do physics professors; etc... Cubing the velocity has no precedent whatsoever.

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