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Rifles, Reloading, Optics, Equipment
Gunsmithing
6mm-.22Nosler - Getting there from here.
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<blockquote data-quote="BallisticsGuy" data-source="post: 1288617" data-attributes="member: 96226"><p>Long story short, I have a .223 rifle (mossberg MVP) that I use in PRS and long range precision matches. I'd like to use it in high power metallic silhouette but .223rem is verboten. I could go to 6x45mm but that lacks the poop to down the heavy steel ram silhouettes reliably. My MVP is super light which is why I want to use it, so I can get into hunter class with the rifle which requires it be at or under 9lbs with optic. The MVP .223 action is quite a bit lighter than a savage 10 or remmy 700 action.</p><p></p><p>So, I'm restricted to a .223 boltface.</p><p>I want to use .22Nosler brass to get the 30grains of case capacity and the .223 bolt face and to fit in AR mags.</p><p>I want to use 6mm bullets of 105-108gn</p><p></p><p>There exists already a 6-6.8SPC which is just the 6.8 necked down. The .22nosler appears to be more or less a 6.8spc with a 30deg shoulder instead of a .28deg shoulder and with a rebated rim to fit .223 bolt faces. </p><p></p><p>As I think about it it looks like I could actually start with .22Nosler brass and fireform it in a 6-6.8 chamber. The shoulder would lengthen and slope out to 28 degrees from 30 but otherwise I think it should work. That said, I don't have sufficiently detailed or known accurate technical drawings of either case to be sure. </p><p></p><p>Anyone know for sure?</p></blockquote><p></p>
[QUOTE="BallisticsGuy, post: 1288617, member: 96226"] Long story short, I have a .223 rifle (mossberg MVP) that I use in PRS and long range precision matches. I'd like to use it in high power metallic silhouette but .223rem is verboten. I could go to 6x45mm but that lacks the poop to down the heavy steel ram silhouettes reliably. My MVP is super light which is why I want to use it, so I can get into hunter class with the rifle which requires it be at or under 9lbs with optic. The MVP .223 action is quite a bit lighter than a savage 10 or remmy 700 action. So, I'm restricted to a .223 boltface. I want to use .22Nosler brass to get the 30grains of case capacity and the .223 bolt face and to fit in AR mags. I want to use 6mm bullets of 105-108gn There exists already a 6-6.8SPC which is just the 6.8 necked down. The .22nosler appears to be more or less a 6.8spc with a 30deg shoulder instead of a .28deg shoulder and with a rebated rim to fit .223 bolt faces. As I think about it it looks like I could actually start with .22Nosler brass and fireform it in a 6-6.8 chamber. The shoulder would lengthen and slope out to 28 degrees from 30 but otherwise I think it should work. That said, I don't have sufficiently detailed or known accurate technical drawings of either case to be sure. Anyone know for sure? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
6mm-.22Nosler - Getting there from here.
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