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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Sherman Shortmag (SS)
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<blockquote data-quote="Idaho Trecker" data-source="post: 1211595" data-attributes="member: 67706"><p>Made a quick trip down to sportsmans yesterday and got a pound of N560 and IMR 4955. I loaded up 61 to 66 grains of N560 under the 215 Berger and went out tonight to see what I could make happen.</p><p></p><p>Unfortunately this powder which we thought had so much promise didnt work very well in this case. I stopped shooting at 63 grains due to pressure and a bolt that was very very stiff. Here's what I got...</p><p></p><p>(cleaned barrel of copper and carbon before shooting)</p><p></p><p>61 2697 </p><p>62 2785</p><p>63 2847</p><p>Even with the clean cold barrel all 3 shots went less than 3/4" with the first shot doubling the size it could have been.</p><p></p><p>All else aside this rife is a shooter!!!</p><p></p><p>Not what I was hoping for but now I know. Also not holding out much hope for the IMR 4955.</p><p></p><p>I may pick up some Magpro and give a shot next time. </p><p></p><p>For now RL 22 is still the winner.</p></blockquote><p></p>
[QUOTE="Idaho Trecker, post: 1211595, member: 67706"] Made a quick trip down to sportsmans yesterday and got a pound of N560 and IMR 4955. I loaded up 61 to 66 grains of N560 under the 215 Berger and went out tonight to see what I could make happen. Unfortunately this powder which we thought had so much promise didnt work very well in this case. I stopped shooting at 63 grains due to pressure and a bolt that was very very stiff. Here's what I got... (cleaned barrel of copper and carbon before shooting) 61 2697 62 2785 63 2847 Even with the clean cold barrel all 3 shots went less than 3/4" with the first shot doubling the size it could have been. All else aside this rife is a shooter!!! Not what I was hoping for but now I know. Also not holding out much hope for the IMR 4955. I may pick up some Magpro and give a shot next time. For now RL 22 is still the winner. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Sherman Shortmag (SS)
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