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RECOIL TESTING

All Holosun sights are bench tested to 1000G recoil during design and a statistical sampling is tested during production.  Of course no recoil simulator can duplicate all field situations, but the response from customers has been that Holosun optics are able to take the recoil for larger calibre firearms including .308 and 12GA shotguns.   Customers have also indicated that the sights are able to handle the different recoil profile provided by air guns.

 

To further validate the recoil capabilities of each sight, when a new sight model comes into Canada, it is tested by the distributor, holosun.ca.   A Mossberg 835 Ulti-Mag was acquired for testing.

 

The testing procedure is as follows:mossberg 935x400

 

        • The new sight is mounted on the shotgun with an extra full turkey choke installed.
        • A single 3 ½” turkey load is fired at a target at a range of 10m to establish point of impact
        • The turkey choke is then replaced with a modified choke
        • 6 rounds of 1550 fps 3 ½” steel shot are rapidly fired at the target.  This is limit of pain the tester can handle.
        • The turkey choke is reinstalled and another 3 ½” turkey load fired at the target to confirm point of impact has not changed.

 

While this procedure does not guarantee that the sight will work for your application, it is a good indication of the sight's capabilities.

 

RECOIL CHART

The following table was extracted from ar15.com at link indicated.  The information has been provided for reference only.

 

http://www.ar15.com/archive/topic.html?b=6&f=18&t=368820

 

Cartridge Caliber Pressure 4Kg
Common Name Inches (PSI) G's
.17 Hornet 0.17 53000 174
.17 Mach 4 0.17 60000 197
.17 Rem 0.17 62000 203
.204 Ruger 0.2 59000 278
.22 Short 0.22 21000 115
.22 Long 0.22 24000 132
.22 LR 0.22 24000 132
.22 WMRF 0.22 24000 132
5.6x35R 0.22 39000 215
.22 Hornet 0.22 44000 241
.218 Bee 0.22 46000 248
.22 Rem Jet 0.22 40000 220
.221 Rem 0.22 52000 288
5.6x50R 0.22 49000 270
0.22 0.22 54000 302
.222 Mag. 0.22 59000 333
0.22 0.22 62000 350
.219 Zip. 0.22 41000 223
.225 Win. 0.23 57000 327
.22-250 0.22 65000 357
.220 Swift 0.22 62000 340
.223 WSSM 0.22 65000 367
5.6x61R v.H. 0.22 55000 303
5.6x52R 0.22 48000 265
.22 Sav. 0.22 48000 263
6x70R 0.24 38000 240
6x50R 0.24 64000 405
6x52R Bret. 0.24 48000 304
.243 WSSM 0.24 65000 435
.243 Win. 0.24 60000 402
6 Rem. 0.24 65000 411
.240 Wea. 0.24 64000 418
6x62 0.24 62000 392
6x62R 0.24 62000 392
.240 Fl.NE 0.24 46000 300
.25-20 0.25 39000 276
.25-20 S.S. 0.25 22000 156
.256 Win. 0.26 51000 379
.25-36 Marlin 0.25 31000 220
.25-35 0.25 44000 312
.25 Rem. 0.25 36000 255
.250 Sav. 0.25 53000 376
.257 Rob. 0.26 54000 404
.25-06 0.25 63000 447
.257 Wea 0.26 64000 479
6.5x52R 0.26 36000 267
6.5 Jap. 0.26 43000 319
6.5x50R 0.26 53000 394
6.5x70R 0.26 41000 304
6.5x52 Car. 0.26 41000 304
6.5x53R 0.26 46000 342
6.5x54 M-S 0.26 53000 394
6.5x54 Mauser 0.26 44000 327
.260 Rem 0.26 60000 460
6.5x55 0.26 55000 408
6.5x58R 0.26 41000 304
6.5x57 0.26 57000 423
6.5x58 Mauser 0.26 51000 379
6.5x57R 0.26 48000 356
6.5x72R 0.26 55000 408
6.5 Rem Mag 0.26 63000 468
.264 Win Mag 0.26 64000 506
6.8 SPC 0.27 59000 480
0.27 0.27 65000 537
.270 WSM 0.27 65000 537
.270 Wea 0.27 64000 529
7x50R 0.28 53000 456
7-30 Wat. 0.28 49000 422
7x72R 0.28 41000 353
40762 0.28 61000 525
7x57 0.28 57000 491
7x57R 0.28 49000 422
7 Fl.Mag. 0.28 48000 413
7x65R 0.28 55000 474
7x75R v.H. 0.28 60000 517
.284 Win 0.28 64000 585
.280 Rem 0.28 60000 533
7 WSM 0.28 65000 560
7 Rem Mag 0.28 62000 534
7 Wea 0.28 64000 551
.280 Fl.NE 0.28 43000 382
.30 Carb. 0.3 46000 469
.30-357 AeT 0.3 44000 449
.30 Rem AR 0.3 55000 561
.30-30 0.3 46000 469
.30 Rem 0.3 41000 418
.303 Sav 0.3 39000 406
.300 Sav 0.3 53000 541
.308 Marlin 0.31 47000 506
.30 Fl.Purdey 0.3 46000 469
.30-40 0.3 47000 480
.307 Win 0.31 60000 641
.308 Win 0.31 62000 667
.30-06 0.3 59000 602
.30 R Blaser 0.3 59000 602
.300 Whisper 0.3 39700 405
.300 Whisper HP 0.3 49600 506
.300 WSM 0.3 65000 663
.300 H&H 0.3 62000 633
.300 Win 0.3 64000 653
.30 Fl.Mag. 0.3 46000 469
.300 Wea 0.3 65000 663
.300 RUM 0.3 65000 663
.300 Lap.Mag. 0.3 68000 694
.303 Brit 0.3 53000 552
7.62x39 0.3 51500 526
7.62x54R 0.3 57000 582
.32-20 0.32 30000 348
8x72R 0.31 41000 461
.32-40 0.32 34000 395
.32 Spl. 0.32 42000 488
.32 Rem 0.32 43000 499
8x50R 0.31 51000 574
8 Lebel 0.31 51000 574
8x57 JRS 0.31 48000 540
8x57 JS 0.31 57000 641
8x60RS 0.31 49000 551
8x64S 0.31 59000 664
8x65RS 0.31 59000 664
8x75RS 0.31 55000 619
8 Rem Mag 0.31 67000 754
0.32 0.32 48000 550
.333 Riml.NE 0.33 48000 604
.338 Fed 0.34 62000 803
.338 Marlin 0.34 46000 596
.33 WCF 0.33 44000 543
.338-06 A-Sq. 0.34 65000 842
.338 Win 0.34 64000 829
.338 RUM 0.34 65000 842
0.35 0.35 46000 632
.351 Win SL 0.35 3000 42
9 Luger 0.35 35000 498
9x57 0.35 41000 584
9x57R 0.35 41000 584
.38 Spl 0.38 22000 360
.357 Mag 0.36 45000 650
.357 Max 0.36 48000 694
400/350 0.4 41000 744
.350 No.2 0.35 48000 667
.350 Mag Rigby 0.35 45000 625
.35 Rem 0.35 40000 556
.35 WCF 0.35 44000 611
.356 Win 0.36 60000 862
.358 Win 0.36 59000 857
.350 Rem Mag 0.35 62000 861
.35 Whelen 0.35 58000 806
9x53R 0.35 49000 698
.360 NE 2¼ 0.36 36000 529
9.3x72R 0.37 29000 441
9.3x57 0.37 43000 654
9.3x62 0.37 57000 867
9.3x64 0.37 64000 973
9.3x74R 0.37 49000 745
9.3x65R 0.37 55000 836
.375 Win 0.38 64000 1021
.375 NE 2½ 0.38 32000 510
9.5x57 M-S 0.37 44000 698
.376 Steyr 0.38 62000 994
.375 H&H 0.38 62000 989
.375 Wea 0.38 64000 1021
.375 Fl.Mag. 0.38 47000 749
.369 NE 0.37 44000 679
.378 Wea 0.38 64000 1037
.38-55 0.38 35000 573
.38-40 0.38 17000 278
.40-82 Win 0.4 24000 435
.41 Rem Mag 0.41 44000 839
.400 Jef. 0.4 41000 744
450/400 3¼ 0.45 43000 987
.400 H&H 0.4 64000 1161
.405 WCF 0.41 36000 670
.416 Rem. 0.42 65000 1276
.416 Rigby 0.42 47000 922
.404 Jef. 0.4 53000 981
.44-40 0.44 16000 351
.44 Spl 0.44 16000 351
.44 Rem Mag 0.44 41000 900
0.44 0.44 51000 1140
.45 ACP 0.45 21000 482
.45 Colt 0.45 16000 367
.454 Casull 0.45 57000 1332
.45-70 0.45 29000 666
.450 Mar 0.45 42000 964
.458 SOCOM 0.46 35000 833
.458 Win. 0.46 62000 1475
.458 Lott 0.46 62000 1475
.450 NE 3¼ 0.45 44000 1010
.450 No.2 NE 0.45 41000 941
.465 Belted 0.47 62000 1520
500/465 0.5 36000 1021
.480 Ruger 0.48 48000 1254
.475 Linebaugh 0.48 50000 1279
.475 Turnbull 0.48 42000 1075
.470 NE 0.47 39000 977
.475 No.2 NE 0.48 40000 1023
.505 Gibbs 0.51 39000 1128
.500 Jef. 0.5 48000 1361
.500 NE 3" 0.5 41000 1162
.50 BMG 0.5 54000 1531
.50 BEOWULF 0.5 33000 936
.577 3" NE 0.58 36000 1359
.600 NE 0.6 36000 1470
.700 NE 0.7 40000 2223
4 Bore Rifle 1 36000 4082