Powder for 7mm RUM???

[Captn C]

What seems to be the best powders for this cartiage? I'm not real "up" on all the techno stuff about powder...what is fast...or slow...

I have read here that the 7 RUM is touchy about pressure...is there a powder that smooths out issue?

keep in mind...I'd like to have a 700 yard deer size lazer...might be hard to do with it being so sensitive with pressure. I really would like to shoot 140's, but you guys have about convinced me that I need something bigger...so I was also thinking about using 160 Accu-bonds. FYI-the gun has a 1:9.5 twist.

OMT-wouldn't a moly coated bullet help with pressure issues of this cartiage????? Or would it hide possible problems????

I've never heard of retumbo before registering for this site, but I see it as a possiblity. Who makes it?

Thanks in advance!

 

[royinidaho]

Captn C,

I shot some factory 140s in a BDL and they went 3400+.

I don't think pressure is anymore of a problem in that cartridge than in any other......

For heavy for bore bullets, 170 or so and on up, I'd seriously consider a slow ball powder such as US-869. A load is on the label.

 

[Captn C]

Captn C,


I don't think pressure is anymore of a problem in that cartridge than in any other......

I have had a couple guys mention it when I was asking for load info...was thinking the moly would help with that issue...if it is.

Thanks rii

 

[fenceline]

7mm rum power

With heaver bullets it is har to beat H1000

 

[Willys46]

Retumbo

Had good luck with Retumbo shooting 160 Accubonds. I think you could get more velocity out of H1000.

Willys