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Recent content by DaleJ

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    Long neck 257 SAUM

    I thought someone must be experimenting with this cartridge as dies for it are listed on CH-4D's and Redding's websites. Dies are also listed for the 257 Pronghorn which is the 270 WSM necked to 25 caliber. Only reason 25 caliber isn't a viable option for long range shooting is commercial bullet...
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    Long neck 257 SAUM

    Case capacity to bore ratio with 25 SAUM is less than 300 Win mag. I make my own bullets, BC of my 257 caliber 135 gr is .630. I have had success with a 1:8 25 WSSM and 135 gr bullets at 1000 yds and beyond. Single shot bolt guns always feed. Rifle is built to F-open weight regs. Intent of rifle...
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    Long neck 257 SAUM

    Looking for load data exchange for a 257 SAUM. I take 300 WSM annealed, then size to 300 SAUM, and neck that to 25 cal. Barrel is 1:8 twist, for shooting 135 to 150 gr bullets. Best load so far is 135 gr at 3150 fps with Retumbo.
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    Wilson Hand Loading Dies

    I use Wilson seaters for most of the cartridges I shoot. The neck sizer dies only size 3/8" of neck and that's not enough neck tension for a magazine fed rifle. Also the neck sizer bushing is engaging the neck before case is supported in die. Neil Jones arbor press neck dies support case before...
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    Few questions on QuickLoad

    Will Quickload let user enter bullet weights that don't exist commercially? I'm referring to 257 cal 135-155 gr bullets. The old Powley powder computer tops out at IMR 4831. How much computer expertise is required to get the most out of the program?
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    Powder for Short Barrel 300WM?

    Load the optimum powders for the cartridge, not the barrel length. If you see muzzle flash you didn't flinch.
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    Greetings from the "Peace Country of Northern Alberta"

    Looking forward to exchanging ideas on loads, wildcats, bullets, and their long range performance. I have competed in 1000 yd bench rest and over the last few years in F-class. Participating in one-mile shoots was a mistake that just opened the door for a 2000 yd challenge and who knows how far...
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