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Hunting
Long Range Hunting & Shooting
New build, 7mm rem mag?
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<blockquote data-quote="southpa" data-source="post: 3051313" data-attributes="member: 65823"><p>Yes I think we all know the general idea of twist rates and how they relate to bullet weights. My question is in regards to a 280 shooting 168s vs. a 7rm throated long for 180s? Even a 7RM in SAAMI form will out-do a 280 with any bullet. That being said, the OP is looking to build a 7RM to shoot 180s not a 280 to shoot 168s. Even if he ran 168s he would be out running the 280.. making it stay above 2000fps much longer, making it bang not only steel but game much harder and farther than a 280....</p><p></p><p>The point I'm making is I think you're just clouding up the thread for the OP. The 7RM he's building makes all your points (although valid) kind of moot. Because it will in fact out do the 280. It will be better at terminal performance, kinetic energy and velocity with a heavier bullet than the 280 can do. It will bang steel and animals harder at longer ranges with heavier bullets.</p><p></p><p>The diminished returns you refer to with 180s is in regards to a chamber the OP isn't interested in. Gravity takes its toll on mid weight projectiles in the 280 much faster than it does on the 7RM.</p></blockquote><p></p>
[QUOTE="southpa, post: 3051313, member: 65823"] Yes I think we all know the general idea of twist rates and how they relate to bullet weights. My question is in regards to a 280 shooting 168s vs. a 7rm throated long for 180s? Even a 7RM in SAAMI form will out-do a 280 with any bullet. That being said, the OP is looking to build a 7RM to shoot 180s not a 280 to shoot 168s. Even if he ran 168s he would be out running the 280.. making it stay above 2000fps much longer, making it bang not only steel but game much harder and farther than a 280.... The point I'm making is I think you're just clouding up the thread for the OP. The 7RM he's building makes all your points (although valid) kind of moot. Because it will in fact out do the 280. It will be better at terminal performance, kinetic energy and velocity with a heavier bullet than the 280 can do. It will bang steel and animals harder at longer ranges with heavier bullets. The diminished returns you refer to with 180s is in regards to a chamber the OP isn't interested in. Gravity takes its toll on mid weight projectiles in the 280 much faster than it does on the 7RM. [/QUOTE]
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New build, 7mm rem mag?
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