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Tennessee Gun Owners Forums
Reloading
Bonded vs cup and core
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<blockquote data-quote="jlanecr500" data-source="post: 5856100" data-attributes="member: 16430"><p>Bonded projectiles are in fact cup and core. The cup or jacket is formed and a lead core is inserted or poured in. The difference is the bonding process. Bonding can be achieved by soldering the cup to the core or chemically.</p><p></p><p>Personally, I prefer bonded bullets. I would rather there be pieces of jacket attached to the chunks of lead that separate. The pieces of jacket act as knife edges when driven by attached lead. Jacket thickness and lead hardness are much more important factors in ballistic performance. Bond them and adjust jacket thickness/lead hardness to obtain the performance desired.</p></blockquote><p></p>
[QUOTE="jlanecr500, post: 5856100, member: 16430"] Bonded projectiles are in fact cup and core. The cup or jacket is formed and a lead core is inserted or poured in. The difference is the bonding process. Bonding can be achieved by soldering the cup to the core or chemically. Personally, I prefer bonded bullets. I would rather there be pieces of jacket attached to the chunks of lead that separate. The pieces of jacket act as knife edges when driven by attached lead. Jacket thickness and lead hardness are much more important factors in ballistic performance. Bond them and adjust jacket thickness/lead hardness to obtain the performance desired. [/QUOTE]
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Tennessee Gun Owners Forums
Reloading
Bonded vs cup and core
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