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Rifles, Reloading, Optics, Equipment
Reloading
25-06 Ackley Imp?
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<blockquote data-quote="brianwinzor" data-source="post: 114168" data-attributes="member: 1067"><p>Keith, I don't doubt your chrono results, but they certainly are incredibly high velocities for a 25/06, and about 300 fps higher than I have achieved at safe maximum loads in two 25/06 rifles. I found that 3350 fps was maximum for the 100 grain bullet, and about 3,050 for the 120 grain bullet.</p><p></p><p>I agree with you that you won't get faster than that with a 25/06AI. My custom 25/06 AI achieved about 3,580 fps (62.0/Re 22) with the 100 grain Nosler BT, and 3,290 fps with the Nosler 115 BT (62.0/Re 25)in a 24 inch 1 in 10 twist barrel, with what is probably a standard tolerance chamber and neck.</p><p></p><p>First question: How do you fit 63.0 grains of Reloader 25 into a 25/06 case and then seat the bullet without severely compressing and crushing the powder kernels. I could only fit 60.7 grains (Re 22) to the base of the neck in new Winchester brass, and I was trickling it in slowly using a powder funnel with a 5 inch drop tube. New Remington brass only held 59.5 grains to the base of the neck.</p><p></p><p>Out of curiosity how much bigger is your minimum specification chamber than Winchester 25/06 new brass dimensions. My Winchester new brass measured about .4665 at the head, .4395 at the shoulder, and .285 at the mouth of the neck. </p><p></p><p>Last question: What is the length of the Sierra 117 grain flat base bullet which I assume you are using so that it will stabilise in the 1 in 12 twist barrel. I note that the Sierra 117 grain spire point boat tail measures about 1.120 inches. Regards, Brian.</p></blockquote><p></p>
[QUOTE="brianwinzor, post: 114168, member: 1067"] Keith, I don't doubt your chrono results, but they certainly are incredibly high velocities for a 25/06, and about 300 fps higher than I have achieved at safe maximum loads in two 25/06 rifles. I found that 3350 fps was maximum for the 100 grain bullet, and about 3,050 for the 120 grain bullet. I agree with you that you won't get faster than that with a 25/06AI. My custom 25/06 AI achieved about 3,580 fps (62.0/Re 22) with the 100 grain Nosler BT, and 3,290 fps with the Nosler 115 BT (62.0/Re 25)in a 24 inch 1 in 10 twist barrel, with what is probably a standard tolerance chamber and neck. First question: How do you fit 63.0 grains of Reloader 25 into a 25/06 case and then seat the bullet without severely compressing and crushing the powder kernels. I could only fit 60.7 grains (Re 22) to the base of the neck in new Winchester brass, and I was trickling it in slowly using a powder funnel with a 5 inch drop tube. New Remington brass only held 59.5 grains to the base of the neck. Out of curiosity how much bigger is your minimum specification chamber than Winchester 25/06 new brass dimensions. My Winchester new brass measured about .4665 at the head, .4395 at the shoulder, and .285 at the mouth of the neck. Last question: What is the length of the Sierra 117 grain flat base bullet which I assume you are using so that it will stabilise in the 1 in 12 twist barrel. I note that the Sierra 117 grain spire point boat tail measures about 1.120 inches. Regards, Brian. [/QUOTE]
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25-06 Ackley Imp?
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