.338 Lapua Mag v. .338 RUM

[300 RUM]

At one time My favorite long rang rifle was a 300 RUM, loved it beyond all others. I am now faced with a decision to chamber yet another large mag round. What are your thoughts one one or the other (338 Lapua mag or .338 RUM)? and why

 

[284driver]

I have a lapua. If I had it to do over I would go with the 338 edge. Component costs being a large factor.

 

[dragman]

I have played with them all and I gotta say I love my lapua but the edge is probably the best of all worlds.

 

[6XC]

Hi,any one try the .338 norma mag yet ?

 

[acloco]

As others have stated, go with the 338 Edge or 338 RUM. Price difference in components for 1000 rounds will buy a nice scope for your build.

 

[300 RUM]

I have been comparing the two 338 Lapua/RUM performance wise. I do not see a large difference. I do like the shoulder on the Lapua a lot more the RUM.

 

[montana_native]

I own both and prefer the Lapua to the 338 RUM. For me, Lapua brass quality is a huge advantage over the 338 RUM. I have one small lot of brass that has 17 reloads on it (91 gr of H-1000 and a 300 grain SMK) and the primer pockets are just starting to get loose. No way the Remington or Nosler brass will do that. There is no brass prep required with the Lapua either. The 338 RUM requires primer pocket/flash hole work, sometimes neck turning, etc. When you stand on it hard, figure 4-5 reloads before you lose primer pockets. Break it down to brass tacks, and the reloading components (if you load your own) are a wash.

94 grains of Retumbo and a 300 grain Berger OTM gets me to 2860 fps out of a 28" barrel. That's essentially 338 "Edge" performance (I've had one of those too). The 338 RUM lags behind by about 50 fps in my experience.

Accuracy difference between the two is negligible. The bolt face diameter for the Lapua seems to deter a lot of folks from the 338 Lapua. They are both great chamberings and I don't feel one could go wrong with either.

 

[barnesuser28]

I own both and prefer the Lapua to the 338 RUM. For me, Lapua brass quality is a huge advantage over the 338 RUM. I have one small lot of brass that has 17 reloads on it (91 gr of H-1000 and a 300 grain SMK) and the primer pockets are just starting to get loose. No way the Remington or Nosler brass will do that. There is no brass prep required with the Lapua either. The 338 RUM requires primer pocket/flash hole work, sometimes neck turning, etc. When you stand on it hard, figure 4-5 reloads before you lose primer pockets. Break it down to brass tacks, and the reloading components (if you load your own) are a wash.

94 grains of Retumbo and a 300 grain Berger OTM gets me to 2860 fps out of a 28" barrel. That's essentially 338 "Edge" performance (I've had one of those too). The 338 RUM lags behind by about 50 fps in my experience.

Accuracy difference between the two is negligible. The bolt face diameter for the Lapua seems to deter a lot of folks from the 338 Lapua. They are both great chamberings and I don't feel one could go wrong with either.

Plus 1^ i have a 338 Lapua and a 300 RUM, (parent case for 338 edge) and the quality and strength of the Lapua brass far outweighs any extra velocity the edge has over the Lapua. There is a member on LRH that has 15 firings on his 338 Lapua brass, expect around 4-5 firings on Remington brass and 15+ for Lapua.

 

[300 RUM]

Now that is the kind of info I'm looking for. Good to know some of those facts. I like the Lapua brass in my .308 and .223, 15 firings at leat for them.