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Rifles, Reloading, Optics, Equipment
Reloading
7 PRC
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<blockquote data-quote="entoptics" data-source="post: 2687844" data-attributes="member: 104268"><p>Comparing Nosler data to Hodgdon data, both with the 175 ABLR, the 7mm PRC outruns the 280 AI by a heck of a lot more than 20-50 fps.</p><p></p><table style='width: 100%'><tr><td><strong>Cartridge</strong></td><td><strong>Powder</strong></td><td><strong>Charge</strong></td><td><strong>Velocity</strong></td><td><strong>FPS/Gr</strong></td><td><strong>FPS Difference</strong></td></tr><tr><td>7 PRC</td><td>H1000</td><td>67.2</td><td>2968</td><td>44.2</td><td></td></tr><tr><td>280 AI</td><td>H1000</td><td>61</td><td>2843</td><td>46.6</td><td>125</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>7 PRC</td><td>IMR7828</td><td>65.6</td><td>3029</td><td>46.2</td><td></td></tr><tr><td>280 AI</td><td>IMR7828</td><td>58</td><td>2772</td><td>47.8</td><td>257</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>7 PRC</td><td>H4831</td><td>64.2</td><td>3018</td><td>47.0</td><td></td></tr><tr><td>280 AI</td><td>H4831</td><td>55.5</td><td>2729</td><td>49.2</td><td>289</td></tr><tr><td><em>Max Published Load</em></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>7 PRC</td><td>LRT</td><td>79</td><td>3106</td><td>39.3</td><td></td></tr><tr><td>280 AI</td><td>RL26</td><td>59.5</td><td>2903</td><td>48.8</td><td>203</td></tr></table><p></p><p>Also, taking the average data from Hodgdon for a 175 gr bullet for each cartridge, the 7 PRC outruns the 280 AI by 279 fps, and 271 fps for a 162 gr bullet.</p><p></p><p>In Hornady Precision Hunter factory ammo, the 162 ELDX has an advertised velocity of 2850 fps in a 280 AI, while the 175 ELDX is given as 3000 fps. 150 fps faster with a 13 gr heavier bullet.</p><p></p><p>The 280 AI is to the 7 PRC what the 30-06 is to the 300 Win Mag. They are not in the same class.</p></blockquote><p></p>
[QUOTE="entoptics, post: 2687844, member: 104268"] Comparing Nosler data to Hodgdon data, both with the 175 ABLR, the 7mm PRC outruns the 280 AI by a heck of a lot more than 20-50 fps. [TABLE] [TR] [TD][B]Cartridge[/B][/TD] [TD][B]Powder[/B][/TD] [TD][B]Charge[/B][/TD] [TD][B]Velocity[/B][/TD] [TD][B]FPS/Gr[/B][/TD] [TD][B]FPS Difference[/B][/TD] [/TR] [TR] [TD]7 PRC[/TD] [TD]H1000[/TD] [TD]67.2[/TD] [TD]2968[/TD] [TD]44.2[/TD] [TD][/TD] [/TR] [TR] [TD]280 AI[/TD] [TD]H1000[/TD] [TD]61[/TD] [TD]2843[/TD] [TD]46.6[/TD] [TD]125[/TD] [/TR] [TR] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]7 PRC[/TD] [TD]IMR7828[/TD] [TD]65.6[/TD] [TD]3029[/TD] [TD]46.2[/TD] [TD][/TD] [/TR] [TR] [TD]280 AI[/TD] [TD]IMR7828[/TD] [TD]58[/TD] [TD]2772[/TD] [TD]47.8[/TD] [TD]257[/TD] [/TR] [TR] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]7 PRC[/TD] [TD]H4831[/TD] [TD]64.2[/TD] [TD]3018[/TD] [TD]47.0[/TD] [TD][/TD] [/TR] [TR] [TD]280 AI[/TD] [TD]H4831[/TD] [TD]55.5[/TD] [TD]2729[/TD] [TD]49.2[/TD] [TD]289[/TD] [/TR] [TR] [TD][I]Max Published Load[/I][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]7 PRC[/TD] [TD]LRT[/TD] [TD]79[/TD] [TD]3106[/TD] [TD]39.3[/TD] [TD][/TD] [/TR] [TR] [TD]280 AI[/TD] [TD]RL26[/TD] [TD]59.5[/TD] [TD]2903[/TD] [TD]48.8[/TD] [TD]203[/TD] [/TR] [/TABLE] Also, taking the average data from Hodgdon for a 175 gr bullet for each cartridge, the 7 PRC outruns the 280 AI by 279 fps, and 271 fps for a 162 gr bullet. In Hornady Precision Hunter factory ammo, the 162 ELDX has an advertised velocity of 2850 fps in a 280 AI, while the 175 ELDX is given as 3000 fps. 150 fps faster with a 13 gr heavier bullet. The 280 AI is to the 7 PRC what the 30-06 is to the 300 Win Mag. They are not in the same class. [/QUOTE]
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