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Rifles, Reloading, Optics, Equipment
Reloading
Brass length
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<blockquote data-quote="LoneTraveler" data-source="post: 1257465" data-attributes="member: 77249"><p>The cannula on a bullet has 2 different uses. </p><p>1. The metal distortion at the cannula gives the bullet a weak hinging place to help stop the bullet mushrooming on impact. </p><p>2. The Cannula on bullets allow the case to be crimped on the bullet. This allows for less neck tension on case. Tight neck tension on the bullet in long storage can make the case neck crack. </p><p> </p><p>The crimp on the cannula is one reason why some rifles will not shoot factory loads well. By hand loading and changing ogive on the bullet to the lands of the bore, makes some hand loads shoot good in in rifles that do not like factory loads. </p><p> </p><p>Some big bore rifle ammo needs to be crimped, To keep bullets from moving under recoil in the magazine. And pistol bullets to allow pressure to build in a cylinder and short barrel of a pistol. Other rifles like the jump to the lands for accuracy than loading to the cannula on the bullet.</p></blockquote><p></p>
[QUOTE="LoneTraveler, post: 1257465, member: 77249"] The cannula on a bullet has 2 different uses. 1. The metal distortion at the cannula gives the bullet a weak hinging place to help stop the bullet mushrooming on impact. 2. The Cannula on bullets allow the case to be crimped on the bullet. This allows for less neck tension on case. Tight neck tension on the bullet in long storage can make the case neck crack. The crimp on the cannula is one reason why some rifles will not shoot factory loads well. By hand loading and changing ogive on the bullet to the lands of the bore, makes some hand loads shoot good in in rifles that do not like factory loads. Some big bore rifle ammo needs to be crimped, To keep bullets from moving under recoil in the magazine. And pistol bullets to allow pressure to build in a cylinder and short barrel of a pistol. Other rifles like the jump to the lands for accuracy than loading to the cannula on the bullet. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Brass length
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