Nosler Ballistic Tip 70 grain bullets over H322 (lapua brass and CCI BR4 primers), 20 thous jump of the bullet over a 16 in barrelled Tube Rifle (Eliseo/Borden).
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| First tests were done with a simple bipod and rear bag |
100 yard targets with the 6BR Hunter
A quick test of the pressure and velocity check with a magneto speed chronograph shows that things are about what they were expected to be and no pressure signs were evident at 30.5 grains (but it was only 65 F outside). 30.2 grains of H322 just a tad over 3000 fps with the 70 grain bullets and a three shot group at 100 yards came in at 0.36 moa. Not bad for no tuning and on a windy day shooting off a bipod. I think the coyotes will be impressed.
A five shot group with 105 grain berger hybrids with 30.0 grains of Varget with a 14 thousands jam produced a reasonable group at 0.65 moa (again, these are with not modifications).
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| 70 grain Nosler Varmint Ballistic Tips As measured with a Magnetospeed Chronograph |
Additional testing of 105 grain Berger VLD at 50 thousands jump with 30 grains of Varget (COAL of 2.3145") yielded some nice targets at a velocity of 2615 fps using a magneto speed chronograph.
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| Additional testing was done on a Gary Hayes bench rest with Eliseo F-Class adapter |
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| 105 grain Berger VLD bullets with 30 grains of Varget, CCI 41 primers, Lapua Brass. 50 thousands jump (COAL 2.3145") |
