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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
input on 6mm something or other coyote rig build
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<blockquote data-quote="Scot E" data-source="post: 737261" data-attributes="member: 10832"><p>It's a lot of fun playing with burner cartridges so I don't want to talk you out of that if that is what you are looking for but I would encourage you to compare ballistics on the differences between a fast 87 grainer doing 3700 or so (reaching that is possible but not easy) and the 105-115 grainers going 3-3300 fps (which is pretty easily attainable. </p><p></p><p>You will get flatter trajectory out to the distances you mentioned but you will pay for it in a lot more powder being burnt, much less barrel life and you will sacrifice wind drift and possibly accuracy. To my way of thinking elevation is easily accounted for with a good ballistic chart, turrets or a good ballistic reticle. But wind drift is a different story. No matter how big you go I would suggest you look at the heavy for caliber bullets. </p><p></p><p>I do think there is a point of diminishing returns for each caliber and I think we pass it with the 6mm by going to the 6-284 and bigger. Maybe that isn't a big issue to you but with my smaller caliber guns I go through a lot more ammo than my bigger guns. </p><p></p><p>I think you would be hard pressed to go wrong with the following:</p><p></p><p>6x47, 6mm Creedmore, or the 6XC. You should easily get 3000 fps with the XC and another 200+ with the others. There is great brass available for all of them and they all have shown to be very accurate and easy to load for. The XC is based off the 22-250 case so you could use your current stock of cases for it as well but there would be some forming involved.</p><p></p><p>Sounds like a fun project. Good luck in your decision!</p><p></p><p>Scot E.</p></blockquote><p></p>
[QUOTE="Scot E, post: 737261, member: 10832"] It's a lot of fun playing with burner cartridges so I don't want to talk you out of that if that is what you are looking for but I would encourage you to compare ballistics on the differences between a fast 87 grainer doing 3700 or so (reaching that is possible but not easy) and the 105-115 grainers going 3-3300 fps (which is pretty easily attainable. You will get flatter trajectory out to the distances you mentioned but you will pay for it in a lot more powder being burnt, much less barrel life and you will sacrifice wind drift and possibly accuracy. To my way of thinking elevation is easily accounted for with a good ballistic chart, turrets or a good ballistic reticle. But wind drift is a different story. No matter how big you go I would suggest you look at the heavy for caliber bullets. I do think there is a point of diminishing returns for each caliber and I think we pass it with the 6mm by going to the 6-284 and bigger. Maybe that isn't a big issue to you but with my smaller caliber guns I go through a lot more ammo than my bigger guns. I think you would be hard pressed to go wrong with the following: 6x47, 6mm Creedmore, or the 6XC. You should easily get 3000 fps with the XC and another 200+ with the others. There is great brass available for all of them and they all have shown to be very accurate and easy to load for. The XC is based off the 22-250 case so you could use your current stock of cases for it as well but there would be some forming involved. Sounds like a fun project. Good luck in your decision! Scot E. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
input on 6mm something or other coyote rig build
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