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Blaser BD14 Shooting Test


Yleistä

Blaser BD14 + Zeiss Victory V8 (2.8-20x56) the shooting test was carried out on three days, in total by five different shooters. The Test shooting was carried out on a 100 meter outdoor shooting range, from Caldwell shooting rest, with rifle barrels. In Addition, a test was performed from at the distance of 35 meters, with open sights shooting, with all barrels. The firearm and ammunition for the test was supplied by the Blaser weapons Finnish importer Nordic Distribution Oy (Nordis).

Test days

  • Test 1: 2/16/2019, weather overcast -2 °C, wind 2–4 m/s SE
  • Test 2: 2/18/2019, weather overcast -17 °C, wind 2–3 m/s SW
  • Test 3: 2/19/2019, weather overcast -4 °C, wind 1 m/s SW

Ammunition

  • .222 Rem Lpaua FMJ 3,6 g FMJ S538 (4315020)
  • .222 Rem Lapua Naturalis 3,2 g N566 (N315025)
  • 6.5x55SE Lapua Scenar OTM 8,0 g GB489 (4316032)
  • 6.5x55Se Lapua Naturalis 9,1 g N563 (N316102)

Blaser BD14
Blaser BD14 + Zeiss Victory V8 (2.8-20x56) with Caldwell shooting rest.

Test

During the tests the weapon and the ammunition worked flawlessly. There were no misfire cartridges. The test was shot with three-shot series, with both rifle barrels,. 222 Rem and 6.5 x55SE. The bullet muzzle velocity speeds were measured with the Labradar projectile velocity radar.

In the test weapon, the Blaser BD14 has 56 cm long barrels, which differ in length from the length of the Lapua’s test barrel. The test temperature was also quite different from the temperature of the Lapua’s test, which in turn influences the behavior of gunpowder, so that the muzzle velocity data reported by the cartridge plant is therefore not directly comparable.

Test group n:o 1 – February 2, 2019

Weather: -2°C, 998 hPA, 2-4 m/s, 91%

  Ammo / Cal Bullet Factory Vo Vo Group min Group max Average
  (g) (m/s) (m/s) (mm) (mm) (mm)
  .222 Rem            
- Lapua FMJ 3,6 880 844-855 4,93 11,98 8,45
- Lapua Naturalis 3,2 965 951-954 26,91 54,21 40,45
             
  6.5x55SE            
- Lapua Scenar 8,0 830 776-777 18,77 .44,11 26,09
- Lapua Naturalis 9,1 800 785-788 12,41 - 12,41
 
  *) caliber .222 Rem, factory test barrel 600 mm
  *) caliber 6.5x55SE (Scenar), factory test barrel 740 mm, Naturalis 600 mm barrel
  *) Blaser BD14 barrel length 560 mm.


Blaser BD14
Best grouping:. 222 Rem Lapua FMJ (3.6 g) 4.93 mm.

Cold weather test – February 18, 2019

Weather: -17°C, 1013 hPA, 2-3 m/s, 84%

  Ammo / Cal Bullet Factory Vo Vo Group min Group max Average
  (g) (m/s) (m/s) (mm) (mm) (mm)
  .222 Rem            
- Lapua FMJ 3,6 880 827-833 18,71 44,12 31,41
- Lapua Naturalis 3,2 965 929-930 45,01 62,07 53,54
             
  6.5x55SE            
- Lapua Scenar 8,0 830 759-765 20,28 46,16 33,22
- Lapua Naturalis 9,1 800 789-792 13,79 17,28 15,53
 
  *) caliber .222 Rem factory test barrel 600 mm
  *) caliber 6.5x55SE (Scenar) factory test barrel 740 mm, Naturalis 600 mm barrel
  *) Blaser BD14 barrel length 560 mm


Blaser BD14
Best grouping: 6.5xSE Lapua Naturalis (9,1 g) 13,79 mm.

Test group n:o 3 – 19.2.2019

Sää: -4°C, 989 hPA, 1 m/s, 93%

  Ammo / Cal Bullet Factory Vo Vo Group min Group max Average
  (g) (m/s) (m/s) (mm) (mm) (mm)
  .222 Rem            
- Lapua FMJ 3,6 880 827-830 15,89 - 15,89
- Lapua Naturalis 3,2 965 937-938 51,60 - 51,60
             
  6.5x55SE            
- Lapua Scenar 8,0 830 772-777 17,58 - 17,58
- Lapua Naturalis 9,1 800 781-784 15,91 - 15,91
 
  *) caliber .222 Rem factory test barrel 600 mm
  *) caliber 6.5x55SE (Scenar) factory test barrel 740 mm, Naturalis 600 mm barrel
  *) Blaser BD14 barrel length 560 mm


Blaser BD14
Best grouping: 6.5x55SE Lapua Naturalis (9,1 g) 15,89 mm.

Observations on the results of the test

Blaser BD14.222 Rem barrel was much better suited for Lapua FMJ than a Lapua Naturalis whose bullet did not seem to stabilize properly in this weapon. Lapua FMJ has a lower muzzle velocity than Lapua Naturalis. When shooting 6.5 In the x55SE caliber barrel, with the Lapua Naturalis cartridge achieved smaller groups in each test than with the with Lapua Scenar cartridge.

Observations about the muzzle velocity at different temperatures

During the tests, it was found that the temperature has a considerable impact on the bullet's muzzle velocity. In particular .222 Rem cartridge muzzle velocity decreased by about 20 m/s when the weather was getting colder at 15 °C (-2 °C → -17 °C). The same phenomenon was observed in the caliber 6.5 x55SE, but the difference in muzzle velocity at the temperature change was minor than with the .222 Rem. The difference between the Scenar cartridge was about -10 m/s and the Naturalis cartridge at about-3 m/s. Apparently, the lower the temperature effect at muzzle velocity in the Lapua’s 6.5 x55SE caliber cartridges are explained by a different gun powder type that is not so sensitive to temperature variations.

  Ammo / Cal Bullet Factory Vo Vo, -2°C Vo, -17°C
  (g) (m/s) (m/s) (mm)
  .222 Rem        
- Lapua FMJ 3,6 880 844-855 827-833
- Lapua Naturalis 3,2 965 951-954 928-930
         
  6.5x55SE        
- Lapua Scenar 8,0 830 776-777 759-765
- Lapua Naturalis 9,1 800 789-792 786-788
         

Shotgun and rifle barrel test

In the Drilling, the barrels are aligned so that all three barrels should hit roughly the same point or at least very close to each other on a desired distance. This should also be successful when using the optical sight device.

The testshoot with Blaser BD14-Drilling was carried out on a 35 meter shooting distance. In the shotgun barrel was used the Rottweill Exact 20/76 slug cartridge. The Exact cartridge contains 26 gram Gualagi-type lead bullet and plastic stopper combination with a muzzle velocity of Vo 455 m/s. Lapua Scenar and Lapua FMJ cartridges were used in the bullet barrels.

The Blaser BD14 barrel test was performed at the firing range 18.2.2019. The test was shot with a gun with open sights, first a shot from a shotgun barrel, using the Rottweil Exact cartridge. After that shots using the rifle barrels .222 Rem Lapua FMJ and 6.5 x55SE Lapua Scenar cartridges.

The hit point for the shotgun slug cartridge was, -17 °C sub-zero temperatures, about 18 cm below the aiming point. The test was repeated at the following day, when temperature was only -4 °C. In this case the shotgun slug bullet hit point was only about 9,8 cm below the aiming point (Vo 443 m/s). The differences between the hit points of the shotgun slugs when the temperatures changed, is possibly explained by the property changes of gunpowder at different temperatures. It could be assumed that at a temperature of +20 °C, a shotgun slug hit point would be around 50 mm from an aiming point, as in combination guns generally.

Attention

It should always be remembered, that the result of the shooting test is specific for test weapon. The suitability of different manufacturers cartridges for the test weapon, has its own consequences (example bullet weight and shape, and output rate). The magnitude of the human impact also varies slightly from one shooting series to the next one, especially when shooter using weapons iron sights.


★ February 2, 2019 (✪ February 28, 2019)

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