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Long Range Hunting & Shooting
Opinions on Repeating a good Load , ES, SD , Velocity, Grouping
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<blockquote data-quote="Rudolph Ferdinand" data-source="post: 1642609" data-attributes="member: 108056"><p>I've been handloading for 30 years and I just got into this thing called, "PRECISION Reloading". The old years days, I would find a good powder for the cartridge and loaded it up and off to the range I go for accuracy testing...not anymore. With SD/ES numbers and group sizes, we want it every day, and it just isn't going to happen. Atmospheric pressures aren't consistent...change but how much does affect that powder...second grade powders we used not the same, like, companies like Hornady or Remington uses. I built an AR-10 in 6.5 CM and here is all the factory manufactured ammo I used trying to find a load (factory) for it; Hornady 140 grain BTHP (200 rounds), Federal Premium 130 gr. Gold Medal Berger, and Norma Match 130 gr. and Hornady Match 140 ELD, and Hornady's American Gunner 140 gr. HPBT. All the Hornady ammo worked at first as long as the temperature is above 65...not enough atmospheric pressure? I have tested loads one week but the next, the load, isn't doing anything, like the week before and it is above 65. So, I am just going to shoot my guns and enjoy the day! The AR-10 build cost me with including the scope $2600-$3000. Puzzled! By-the-way, all non-Hornady ammo would shoot.</p></blockquote><p></p>
[QUOTE="Rudolph Ferdinand, post: 1642609, member: 108056"] I've been handloading for 30 years and I just got into this thing called, "PRECISION Reloading". The old years days, I would find a good powder for the cartridge and loaded it up and off to the range I go for accuracy testing...not anymore. With SD/ES numbers and group sizes, we want it every day, and it just isn't going to happen. Atmospheric pressures aren't consistent...change but how much does affect that powder...second grade powders we used not the same, like, companies like Hornady or Remington uses. I built an AR-10 in 6.5 CM and here is all the factory manufactured ammo I used trying to find a load (factory) for it; Hornady 140 grain BTHP (200 rounds), Federal Premium 130 gr. Gold Medal Berger, and Norma Match 130 gr. and Hornady Match 140 ELD, and Hornady's American Gunner 140 gr. HPBT. All the Hornady ammo worked at first as long as the temperature is above 65...not enough atmospheric pressure? I have tested loads one week but the next, the load, isn't doing anything, like the week before and it is above 65. So, I am just going to shoot my guns and enjoy the day! The AR-10 build cost me with including the scope $2600-$3000. Puzzled! By-the-way, all non-Hornady ammo would shoot. [/QUOTE]
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Opinions on Repeating a good Load , ES, SD , Velocity, Grouping
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