7 saum or 7 wsm

[Deleted member 25294]

I'm putting a 7mm long range elk rifle together for my buddy and have been planning on 7 wsm.
I have a 7-300 wsm and it's an incredibly good shooter, but I'm not going to build a wildcat for my friend. 7 RM is out, I absolutely HATE belted mags...
I'm wanting to get 3000 FPS with 180's from a 26" barrel which is what I'm getting from my 7-300 wsm.
I know 3000 + will be easy with the 7 WSM but dang.. brass options are tough..
ADG brass is making me think the 7 SAUM might be the best way to go, has anyone played with one throated long for 180's?

 

[gillettehunter]

25 inch barrel with 180's throated for them and I'm right at 2900 fps with RL26. Thats Rem brass. Might get more with the ADG and another inch of barrel.....
Bruce

 

[elkaholic]

Here we go again! 7ss, 180 Berger, ADG, brass, 3000'+. I know you said no wildcat, but it's only a wildcat by name. You load and shoot head stamped brass just like a saum and then you reload and shoot some more; just like a saum.

 

[lancetkenyon]

.280AI? I push a 175 Berger @ 2975 and that is not a max load in my 26" barrel w. RL23.

Not going to rehash the belt issue.

 

[Deleted member 25294]

Here we go again! 7ss, 180 Berger, ADG, brass, 3000'+. I know you said no wildcat, but it's only a wildcat by name. You load and shoot head stamped brass just like a saum and then you reload and shoot some more; just like a saum.

Sounds like a great round, but from what I understand there's identical performance to the standard SAUM just made to function in a true short action.. I'm using my friends Tikka action so no issue there.

.280AI? I push a 175 Berger @ 2975 and that is not a max load in my 26" barrel w. RL23.

Not going to rehash the belt issue.

Tikka action so staying with a short mag that can be loaded long, really good velocity from your 280AI. From the research I've done the SAUM is supposed to run a touch faster

 

[highdrum]

7mm blaser mag, run 180s through a Tikka long action @ 3.32" oal, will go over 3k for sure. Has same capacity as wsm and rem mag.

 

[Deleted member 25294]

7mm blaser mag, run 180s through a Tikka long action @ 3.32" oal, will go over 3k for sure. Has same capacity as wsm and rem mag.

Now that looks pretty awesome!
Do you have experience with the Blaser mag?

 

[highdrum]

I personally do not, but there are a few guys on here running it, @midnightmalloy and @Scouter, scouter is using an improved version lil less taper, 37° shoulder. It's a hot round, I don't know why it didn't catch on. Has a .317" neck, 2.35" length, same capacity and more efficient design of the 7mag. Quite a few guys in New Zealand use it as well. Hot rodded can push a 180 Berger to 3100fps, 180 eld-m over 3k. If you message me a phone number I can send you reamer drawings for the CIP/saami print, as well as the improved version.

 

[elkaholic]

Sounds like a great round, but from what I understand there's identical performance to the standard SAUM just made to function in a true short action.. I'm using my friends Tikka action so no issue there.

I don't know that the Saum is equal, but it will come closer with a longer coal. Regardless, the Saum is a good cartridge given enough free bore.

 

[Camo wsm]

I'm using it and have built three full customs on Lone Peak actions and two tikkas, 24"-26" Bartlein's and 2970-3050 FPS with 180's and RL26 mine is a custom reamer setup for the 180's

Now that looks pretty awesome!
Do you have experience with the Blaser mag?

 

[Deleted member 25294]

I'm using it and have built three full customs on Lone Peak actions and two tikkas, 24"-26" Bartlein's and 2970-3050 FPS with 180's and RL26 mine is a custom reamer setup for the 180's

Right on
How's brass and barrel life?
How many grains of rl26 to hit 3050?
Is the case narrow enough to cycle in a tikka la magnum magazine without modifying?

 

[Camo wsm]

Right on
How's brass and barrel life?
How many grains of rl26 to hit 3050?
Is the case narrow enough to cycle in a tikka la magnum magazine without modifying?

Brass is lasting well so no concerns there just don't push to much pressure as per normal, I had a 7lrm before this and that had bad brass... barrel life I haven't burnt one out yet but I would expect rem mag or similar and between 67-69 of Rl26 and yes start with a Tikka 7mm rem mag as a base

 

[cohunt]

More options for brass in a 7 rsaum, but more options for factory loaded ammo for 7wsm - 7wsm is either factory once fired, or bertram for new.
If you'll never want factory ammo then Wildcats are often better. Jmo

 

[Deleted member 25294]

Brass is lasting well so no concerns there just don't push to much pressure as per normal, I had a 7lrm before this and that had bad brass... barrel life I haven't burnt one out yet but I would expect rem mag or similar and between 67-69 of Rl26 and yes start with a Tikka 7mm rem mag as a base

Thanks for the feedback, I can't understand why people aren't talking about the 7 Blaser Mag, it seems pretty dang perfect.
I'm having a hard time finding any case dimensions, Is the case head .535 like WSM's and is the case body .555?