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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.243-243AI Fire Forming
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<blockquote data-quote="Greg Duerr" data-source="post: 1083289" data-attributes="member: 32685"><p>Could someone explain to me why when Fireforming .243 Winchester Brass from .243-.243AI Im getting better 5 shot groups than when shooting the Ackley case.</p><p> </p><p> I fire Form using 40.0gr of H4350 @ 3,000fps and a 105gr Berger seated .001 off I usually get 5 shot groups at .3 and have shot several groups that went .255, .273, .284, and .289</p><p> </p><p> My hunting load with the Ackley case is 46.5gr of RL 22 and I usually shoot .6-.5 @ 3270 FPS with the 105 Berger Ive never got close to the Fire Forming loads.</p></blockquote><p></p>
[QUOTE="Greg Duerr, post: 1083289, member: 32685"] Could someone explain to me why when Fireforming .243 Winchester Brass from .243-.243AI Im getting better 5 shot groups than when shooting the Ackley case. I fire Form using 40.0gr of H4350 @ 3,000fps and a 105gr Berger seated .001 off I usually get 5 shot groups at .3 and have shot several groups that went .255, .273, .284, and .289 My hunting load with the Ackley case is 46.5gr of RL 22 and I usually shoot .6-.5 @ 3270 FPS with the 105 Berger Ive never got close to the Fire Forming loads. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.243-243AI Fire Forming
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