300 win mag with IMR 4350

[bmart2622]

Looking at adding a 300 win mag to the arsenal. I have a ton of 200gr Accubonds and 4350 powder, any one had success with this combo?

 

[bmart2622]

Ive got some Retumbo I could use as well

 

[mdp22]

I have always used IMR4350 in my .270 and tried it in my .300 Win Mag even though slower powders were recommended by most folks. 180 grain Partitions are my bullet and it shoots lights out with 70.0 grains. According to the Nosler load data IMR4350 is right up there with the slower powders IRT to velocity with 200 grains, you should be fine.

 

[long hunter]

180 GR. Hornady and IMR4350 load is out of a Ken Watters manuel excellent accuracy.

 

[bmart2622]

Ive got noslers to work with

 

[Aviator]

I’m sure IMR 4350 would work however I would give the Retumbo a try…H1000 is my favorite with the 200 AB in the Win Mag.

 

[bmart2622]

Id like to get my hands on some RL22 also

 

[bmart2622]

I got my hands on some 180 gr ABs too

 

[long hunter]

H-4350 gives good results also.

 

[Squadguy29]

I’m sold on the Accubonds for my rifle. I developed super accurate loads using H4831. This cartridge and my rifle really like the powder. With the 200 gr Accubonds I use 70gr H4831. They shoot very tight groups. I haven’t shot them through a chrono, but it’s at the upper end of the load data so make sure to start lower and ladder up looking for pressure signs.

 

[theddguide]

I got my hands on some 180 gr ABs too

Try these with h4831sc or h1000 if you can find it. If you can't get exceptional results with this combo something is wrong.

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[Wrench]

You can get good results with the 4350.....BUT, do understand that it's a bit temp sensitive AND fairly fast rate for your application....so, don't push it to the edge in the winter and then go shoot in the summer expecting the same results.

If you're inside safe pressures you'll be fine, but many will push till they're seeing signs on brass and that's usually several K over saami cup.

 

[bmart2622]

Ive got 4350, Ramshot Magnum and Rl22 to try with the 180 ABs

 

[Tremain4414]

I’ve had really good results with the 180’s and H1000 and so has a buddy of mine. Same buddy also loads H4350 in his 06 with 178 gr bullets and seems to like them.

 

[Grundy53]

Looking at adding a 300 win mag to the arsenal. I have a ton of 200gr Accubonds and 4350 powder, any one had success with this combo?

I've killed quite a few elk with this combo. It's my go to for .300 WM

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[christian1]

180 AB and near max load of 4350 is best in my 300WM and getting over 3000fps.