• This Forum is for adults 18 years of age or over. By continuing to use this Forum you are confirming that you are 18 or older. No content shall be viewed by any person under 18 in California.

H4831sc for 140gr. 6.5 creedmoor Sierra Game King?

Has anyone tried any loads using this combination or similar? I've ran out of H4350. Thanks! :) Also, I do have some Varget!
 
Last edited:
Some of my loads....
With Hornady brass CCI200
140 VLD 44.6GR
140 ELITE HUNTERS 44.8GR
136 SCENAR L'S 45GR
this was in my old factory barrel.
Currently I'm at 44.3gr norma brass CCI200 136 SCENAR L'S in a new Hawk Hill running 2750fps.

Start @44gr and work up to 45gr
Also search The secret Carolina load.
 
Has anyone tried any loads using this combination or similar? I've ran out of H4350. Thanks! :) Also, I do have some Varget!
I use it in my .260 Match rifle; you should be able to find a load in the 43.0 - 44.0 gr. range.

*edit*: I'm using the Fed 210M for primers.
 
Keep looking too, I see A4350 and H4350 available more recently. I have gotten A4350 from both Powder Valley and Midsouth. So far my 6.5 CM likes it
 
There are several 4350 alternatives that are closer than the 4831s:

IMR-4451 as @INTJ suggests. Very close indeed to H4350 charges, pressures and MVs. (Data available online from the Hodgdon Reloading Center site.)

Norma 204, and a tad faster burning, URP.

Lovex SO65 (Shooters World 'Long Rifle' in the US) - a bit faster burning than H4350, around 1gn less charges in 7-08 with 160gn bullet, but an excellent powder in this application and the Creedmoor too. (Recommended by Shooters World for the cartridge and loads data on the SW website.)

Lovex SO70 (Shooters World '4350' in the US). On paper, it's a direct match to the 4350s albeit was regarded as the slowest of the trio when it was sold as Accurate Arms Co. 4350 at one time. (Different from the current Accurate-4350 from Western Powders.) However, the lot I have currently appears to be much slower burning and more like the 4831s.

Viht N555 and N160. Although burning rate charts usually show N160 on the same line as IMR-4831, it is faster burning and closer to the 4350s. In 7-08 with 160s, it uses around 1.0gn extra over H4350 for same MVs and is extremely well matched to this sort of application. (Do NOT trust QuickLOAD results for this powder though - they massively understate actual pressures!) N555 has been introduced by Viht to give the company a fully competitive 'player' in this popular niche. N555 charges are very close to N160's, but there is a full set of data on the Vihtavuori website's Reloading Data section for the Creedmoor

Alliant Re16 - gives very high MVs and reckoned to be one of the best powders around for temperature stability.

In ball powders: H414, Ramshot Big Game (bit faster burning), Ramshot Hunter (bit slower burning).
 
Well, I'm waiting for some Lapua small primer 6.5 creedmoor brass to show up next week so I can give the H4831sc and also, some plain H4831 A try I have around a half pound of. I've got some 140gn. Sierra Game King and some other brands in my safe I'll have to check out.
 
I've got my Lapua 6.5 brass now, the COAL of the last cartridges with the H4350 was between 1.725-1.730 which if I remember correctly, was putting the Ojive of the bullet around .020" from the lands of my Mauser m18 in 6.5 Creedmoor. My question is, should I leave the dies set as they are using same bullet, for trying the H4831sc? and what's a good min-max powder charges in grains? Thanks! I used 40.5 grain of H4350 in the previous loads Sierra 140 grn Game king is the bullet to be used again.
 
Last edited:
I use it in my .260 Match rifle; you should be able to find a load in the 43.0 - 44.0 gr. range.

*edit*: I'm using the Fed 210M for primers.
I use it in my .260 Match rifle; you should be able to find a load in the 43.0 - 44.0 gr. range.

*edit*: I'm using the Fed 210M for primers.
Good point on mag primers with 4831 or 4831sc . Mag primers with this powder has always improved groups.
 
I've decided to start with 43.3grns, 43.7grns, 44grns, then try the 44.3grns. three rnds. of each if, I don't start seeing pressure signs or other problems. I'll post my results.
 

Upgrades & Donations

This Forum's expenses are primarily paid by member contributions. You can upgrade your Forum membership in seconds. Gold and Silver members get unlimited FREE classifieds for one year. Gold members can upload custom avatars.


Click Upgrade Membership Button ABOVE to get Gold or Silver Status.

You can also donate any amount, large or small, with the button below. Include your Forum Name in the PayPal Notes field.


To DONATE by CHECK, or make a recurring donation, CLICK HERE to learn how.

Forum statistics

Threads
165,877
Messages
2,205,045
Members
79,174
Latest member
kit10n
Back
Top