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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
115g VLD Berger for deer?
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<blockquote data-quote="brianwinzor" data-source="post: 35311" data-attributes="member: 1067"><p>LB, Thanks for the information. You did not mention what the dimensions of you tight neck chamber were, but I assume that it is about .288. </p><p></p><p>Achieving 3,650 fps with the Nosler 100 grain BT seems to be inline with 3,550 - 3,590 fps I am achieving from the 24 inch barrel with custom chamber and standard neck.</p><p></p><p>I note from my chronograph records in 1987 with my Sako Sporter 25/06 AI, that initially I was getting 3,600 - 3700 fps with the Nosler 100 grains SPBT, but later considered those loads excessive after the primer pockets started to loosen in 5 shots or less. The details of those results using Remington cases, and Federal 215 primer are:</p><p>3/10/87 (23C)</p><p>59.0 grains IMR 4831 - 3494 fps</p><p>60.0 grains IMR 4831 - 3654 </p><p>61.0 grains IMR 4831 - 3687 </p><p>63.0 grains WW 785 - 3556 fps</p><p>64.0 grains WW 785 - 3631 fps</p><p></p><p>6/12/87 (21C)</p><p>61.0 grains IMR 4831 - 3733 fps</p><p></p><p>8/1/88 (30C)</p><p>61.0 grains IMR 4831 - 3647 fps</p><p>64.0 grains WW 785 - 3618 fps</p><p></p><p>As I then considered those loads exceessive, I dropped my load of 61.0 grains IMR 4831 back to 60.5 grains, and achieved these.</p><p>1/6/88 (13C)</p><p>60.5 grain IMR 4831 - 3554 fps</p><p>1/7/88 (14C)</p><p>60.5 grains IMR 4831 - 3589 fps</p><p>31/7/88 (14C)</p><p>60.5 grains IMR 4831 - 3565 fps</p><p></p><p>For some reason my velocities with this load soared on 20/3/89, (23C) but the extreme spread was incredibly low.</p><p>Group 1 (7 shots)</p><p>3688</p><p>3685</p><p>3675</p><p>3674</p><p>3672</p><p>3672</p><p>3683</p><p>3675 (Ave) Group size 0.520 inches</p><p>16 ES</p><p></p><p>Group 2 (3 shots)</p><p>3675</p><p>3673</p><p>3688</p><p>3678 Ave Group size 0.156 inches at 100 yds.</p><p></p><p>Group 3 (5 shots)</p><p>3661</p><p>3683</p><p>3672</p><p>3672</p><p>3679</p><p>3673 Ave Group size 0.485 inches </p><p></p><p>Subsequently this load of 60.5 grains IMR 4831 seemed to deliver between 3550 and 3575 fps.</p><p></p><p>My only testing with the 90 grain Sierra HPBT, Remington cases and Federal 215 primer delivered:</p><p>56.0 grains WW 760 - 3550 fps</p><p>57.0 grains WW 760 - 3604 fps (Max)</p><p>62.5 grains IMR 4831 - 3608 fps</p><p>63.0 grains IMR 4831 - 3657 fps (comp load)</p><p>65.0 grains WW 785 - 3703 fps</p><p>65.5 grains WW 785 - 3757 fps (Max)</p><p></p><p>It certainly is interesting to compare and rationalise results. Regards, Brian.</p></blockquote><p></p>
[QUOTE="brianwinzor, post: 35311, member: 1067"] LB, Thanks for the information. You did not mention what the dimensions of you tight neck chamber were, but I assume that it is about .288. Achieving 3,650 fps with the Nosler 100 grain BT seems to be inline with 3,550 - 3,590 fps I am achieving from the 24 inch barrel with custom chamber and standard neck. I note from my chronograph records in 1987 with my Sako Sporter 25/06 AI, that initially I was getting 3,600 - 3700 fps with the Nosler 100 grains SPBT, but later considered those loads excessive after the primer pockets started to loosen in 5 shots or less. The details of those results using Remington cases, and Federal 215 primer are: 3/10/87 (23C) 59.0 grains IMR 4831 - 3494 fps 60.0 grains IMR 4831 - 3654 61.0 grains IMR 4831 - 3687 63.0 grains WW 785 - 3556 fps 64.0 grains WW 785 - 3631 fps 6/12/87 (21C) 61.0 grains IMR 4831 - 3733 fps 8/1/88 (30C) 61.0 grains IMR 4831 - 3647 fps 64.0 grains WW 785 - 3618 fps As I then considered those loads exceessive, I dropped my load of 61.0 grains IMR 4831 back to 60.5 grains, and achieved these. 1/6/88 (13C) 60.5 grain IMR 4831 - 3554 fps 1/7/88 (14C) 60.5 grains IMR 4831 - 3589 fps 31/7/88 (14C) 60.5 grains IMR 4831 - 3565 fps For some reason my velocities with this load soared on 20/3/89, (23C) but the extreme spread was incredibly low. Group 1 (7 shots) 3688 3685 3675 3674 3672 3672 3683 3675 (Ave) Group size 0.520 inches 16 ES Group 2 (3 shots) 3675 3673 3688 3678 Ave Group size 0.156 inches at 100 yds. Group 3 (5 shots) 3661 3683 3672 3672 3679 3673 Ave Group size 0.485 inches Subsequently this load of 60.5 grains IMR 4831 seemed to deliver between 3550 and 3575 fps. My only testing with the 90 grain Sierra HPBT, Remington cases and Federal 215 primer delivered: 56.0 grains WW 760 - 3550 fps 57.0 grains WW 760 - 3604 fps (Max) 62.5 grains IMR 4831 - 3608 fps 63.0 grains IMR 4831 - 3657 fps (comp load) 65.0 grains WW 785 - 3703 fps 65.5 grains WW 785 - 3757 fps (Max) It certainly is interesting to compare and rationalise results. Regards, Brian. [/QUOTE]
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