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44 magnum underlever rifle, H110, hardcast 240gr RNFP


Mike C

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I want to load up some 240gr GM hardcast RNFP for a 44 magnum underlever. 

It's got to reach out to 400yrd. 

Has anyone used H110 or viht N110 behind hard cast bullets, not jacketed?  

My normal load is 7.6-8gr viht n340 which is fantastic at shorter distances (<100yrd) but I don't think it would cut the mustard at 400yrd. 

Any thoughts on this one ? 🤔

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On 1/23/2022 at 11:28 PM, Mike C said:

I want to load up some 240gr GM hardcast RNFP for a 44 magnum underlever. 

It's got to reach out to 400yrd. 

Has anyone used H110 or viht N110 behind hard cast bullets, not jacketed?  

My normal load is 7.6-8gr viht n340 which is fantastic at shorter distances (<100yrd) but I don't think it would cut the mustard at 400yrd. 

Any thoughts on this one ? 🤔

Prior to switching to CBS5, I was using Vhit N340 in a .44mag UL with 240gn Shellhouse RNFP bullet.

10.6gn of N340 was good, have been able to hit military reactive targets out to 300m with relative ease using a Rossi 92 and open sights.

As you already use N340, I’d just stoke your load up a bit (7-8gn is akin to a .44spl load I think) and compensate for drop. 400m is quite a way out. 

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