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Long Range Hunting & Shooting
284 win-vs-28 nosler
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<blockquote data-quote="AZShooter" data-source="post: 1131881" data-attributes="member: 5219"><p>Case capacity help show the difference. A 28 Nosler holds approximately 93 gr of water. The 284 win holds approx. 63 gr of water. </p><p></p><p>This is just over a 32% increase in capacity. This increase will yield an approximate increase in velocity by 1/4th the gain in capacity. So in theory the 28 Nosler will have a 8% velocity gain over the 284 with all things equal. I didn't get into seating depth which could alter this percentage. </p><p></p><p>The short SAMMI spec of a 2.8" OAL for the 284 may cause longer bullets to be deep into the case changing this relationship. If the 284 round has the bullet seated out to a longer OAL it might be as I suggested above. </p><p></p><p>These cases have different head diameters, body dimensions and lengths. The 284 win is 2.180" long and the 28 Nosler is 2.590" long. ETC ETC.......</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1131881, member: 5219"] Case capacity help show the difference. A 28 Nosler holds approximately 93 gr of water. The 284 win holds approx. 63 gr of water. This is just over a 32% increase in capacity. This increase will yield an approximate increase in velocity by 1/4th the gain in capacity. So in theory the 28 Nosler will have a 8% velocity gain over the 284 with all things equal. I didn't get into seating depth which could alter this percentage. The short SAMMI spec of a 2.8" OAL for the 284 may cause longer bullets to be deep into the case changing this relationship. If the 284 round has the bullet seated out to a longer OAL it might be as I suggested above. These cases have different head diameters, body dimensions and lengths. The 284 win is 2.180" long and the 28 Nosler is 2.590" long. ETC ETC....... [/QUOTE]
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284 win-vs-28 nosler
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