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Help, Please. RS40. 308-223


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Afternoon all.

Please, can anyone help?

I have two new barrels, cupboard full of bullets and some powder. I thought I was doing the right thing, one powder for all but I'm not finding data.

.223

50gn V-Max 

65gn gamekings 

.308

110gn varminters 

150gn prohunters

 

RS40 powder.

 

Only one I have found any date for is the 150 prohunters. Plenty of data on either side of the bullet weight s with the RS40 powder but nothing for what I have.  

 

Please, anyone, point me In the right direction if you can.

 

Thanks kindly gents.

 

 

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What he just said................RS 52 is the go-to powder for long range in both of these calibres, 80 grain bullets in 223, and 155 grainers in 308.

Pete

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I have rs 40, it's not for long range. It's for fox and deer/pig but thanks anyway. 

I think I have some thing sorted as RS40 is very close the N135 from what  I'm told so I have loaded tests.

 

 

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N135 for 155 s in 308 I use 42.5 grains giving less than thumb size groups at 100m 5 shot groups.

and for 223 in 52 to 60 grain Berger s I use 25grains of n135  . Although N150 is best for 308 heavies ie 175/185  , 44.5 grains ish . Cheers 

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8 hours ago, Richiew said:

N135 for 155 s in 308 I use 42.5 grains giving less than thumb size groups at 100m 5 shot groups.

and for 223 in 52 to 60 grain Berger s I use 25grains of n135  . Although N150 is best for 308 heavies ie 175/185  , 44.5 grains ish . Cheers 

Thank you for thati do have the n150 on the shelf as well as n133 but fed up of the carbon left behind, I don't clean after every outing. I would be cleaning most days otherwise. I use to use rs62 in the creedmore and found it to be very clean in comparison so I thought, new rifles, new powder, and if one powder will do both, then even better.

 

Thanks kindly for the information

 

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Latest test tonight 22.5 grain of n135 with 73 g Berger . Five shot group with 4 through the big hole . Moved a bit over for the last shot so I was still hitting steel . Need to use the hardox target as this 3mm plate isn’t strong enough at 100 metres 

9641861C-01B7-47CB-8E63-1C45C4EE7FCB.jpeg

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  • 2 weeks later...
On 5/26/2021 at 11:27 PM, Richiew said:

Latest test tonight 22.5 grain of n135 with 73 g Berger . Five shot group with 4 through the big hole . Moved a bit over for the last shot so I was still hitting steel . Need to use the hardox target as this 3mm plate isn’t strong enough at 100 metres 

9641861C-01B7-47CB-8E63-1C45C4EE7FCB.jpeg

Pleased for you but it's not RS40 really is it.

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Sorry there , no it’s not RS 40 . I’ll stop posting where I’m not following the requirements of the thread .

cheer s 

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