Home Forums Hunting & Shooting Custom Rifles & Wildcats The 7mm Mizzum

rosco: I agree!

I do love that 28 Bob..its a sweet cart. Not better, but its well designed.

Also, the butt end of the swirly in the pic is now housing a 280 ackley..I left it out of the conversation tho it does well with 162's tho.

How fast does the 28 push the 195's?

3050, top end.

RE33 will give a bit more, but its a non starter here with our extreme temp swings. it fluctuates worse than a woman.

with a bit more barrel I suppose you could hit 3100 easy enough..not a fan of long bbls on hunting rigs tho

If brass wasn't so damn expensive and limited to just nosler brass the 28 Nosler is a nice round. Maybe other company's will start producing brass

Here's the wife's mashburn (still waiting on trigger guard). It's actually my old one that she took over just with new stock. Figured she could have the hand me down mashburn and I'll take the new one . Now I'll probably work up a load with 140 grain accubonds, 150 grain partition, or just stick with the 150 grain nosler ballistic tip load I already have for it but what fun would that be.

Sweet! Try some 195's. One of the easiest bullets i've ever worked with, they want to fly, just control run out and get out of the way!

8 twist 7rem, IMR 7977, 4 shot 195's



28 Noz 9 twist, 4 shot, Retumbo..slight depth tweek in order on this one.



Both loads have impeccable vertical at LR

Laker nice looking Mashburn!



rosco you like 7977 in the 7 Rem Mag! Those 195's shoot good!

My new to me MSM weighs 7 lbs 5 oz with rings, no scope. Is 17 oz too heavy for a scope (VX-6)? Or should I just go with another 6x36 LRD (10 oz)?

Mmmmm.....Joel, I know that rifle......


It is gonna be great no matter what you put on it. Just depends on how much weight you want in the scope.

Mine has a 6x36 with LRD's and I don't have any plans to change.

Load the 162 Amax to 3200 fps,and the reticle of the 6x36 alone will get you to 600 yards.

Guess it depends if you feel you need more. What other scope did you have in mind?

Bob I haven't bought a scope in the last ten years that wasn't either a fixed 4 or 6. But Scotty's VX-6 looks pretty good, and Matt had a Swarovski last fall that had some great glass. I've also looked through some Nightforce scopes and they look high quality.

I don't know about dropping $1500 on a scope when the 6x36 will get everything done for $450 (with Aluminas), but I might be able to talk myself into $1K.

If it matters I'm not much of a turret turner. I tried M1s once and they didn't grow on me. I can see the practical use of turrets for training, but I have not missed an opportunity at killing an animal that was far enough away to need turrets, but still close enough to have a reasonable chance. I did once encounter a bull at 750 yards, but he was moving, so turrets wouldn't have mattered. His antlers looked good in the sun though! I'm sure had he been within 400 yards I would have sent one, hoping like hell he'd stop for a second.

Joel then you sound like a candidate for a 6x36 with the dots. Don't spend the cash if you don't need to.

From a 2.5" high zero at 100 yards with that Amax, that reticle will get you to 600....no turrets if you don't want to use them. A 160 AB only slightly less.


600 yards, wind L/R. 7mm Mashburn, 162 Amax at 3200 fps.

Center hold at 300 and follow the dots to 400, 500,and bottom post for 600. A bit crude at 600 but it gets you there.

I wonder who that guy is. Sure is a nice rifle. Nice light and handy. Got some Fireforming loads down her while the wind was blowing the other day and I'm pretty happy with it so far 65 of 4350 and 140 BT shot a half inch group in the only calm I saw and accounted for a jackrabbit. Really excited to have a chance to start loading it. I got a pile of 160 AB PT PTG and 175 PT to run. Gonna beat the hell outta my 280 AI for packing 11lbs naked this one hits 8lbs 2oz field ready.

nv: How did you end up with an 11 pound 280AI? What is that for?

Your lightweight Mashburn is a "280AI with FF loads,and with full house loads will run rings and circles around the 280AI,so sounds like you are set.

We found 7828 worked well enough but did not show any better, if as well, as H1000,RL25,and retumbo. Keep in mind most all this work was with 160-175 gr bullets.

I have seen no reason to move from H1000, although it does vary among lots (so does Retumbo),and recent lots seem slower. I'd buy an 8 pounder.

Well I got 10lbs of 7828 so it will get the call might try RL26 as well it's what I have on hand. Nowhere local has H1000 so I'd have to order a keg plus some other stuff to make it worth while. It's got a VX3 on it right now but I picked up a VX6 and VXR for cheap so that's what will go on it.

I'm gonna run 160-175 I got a slew of other 7's for the lighter stuff. I really like it so far FF's are cream puffs. Hopefully will be able to do some testing this week.


That 280AI will now be used to hold down the safe. I really liked it but with the ideas I had in mind for it this is what I should have down in the first place. Young and dumb!

Joel I'd run the 6x36. I've basically switched all to straight 6x anymore and love them

Not young and dumb. You can only expect so much from a 30/06 case, no matter how you stretch it.

Even on slow days and with slow lots of powders the Mashburn gives as much velocity as a 7 RM loaded to the gills, so don't worry.

Burn what you have on hand.

7828 shot well,in mine, with the 150g ballistic tip.
But I thought it was a bit sootie/dirty.
Not really an issue as I wasnt shooting a match with it.
H1000 seems cleaner burning to me.
My H1000 seems a bit slow from what ive read here.
But accuracy wise.
Ill take it..

dave

In Quickload, if I optimize best powder for that cartridge at 65 kpsi with the same 162 gr bullet for velocity with (16) different 7mm cartridges, the point of diminishing returns is around the 280AI and 7mmRemMag point.

After that, it is a lot more powder for small velocity increase.


7mm T/CU, 7-30 Waters, 7mm BR, 7mm IHMSA, 7mm-08, 7mm-08 Ackley Improved, 7x57mm, 7x57mm Ackley Improved, 284 Win, 280 Rem, 7mm Rem short action ultra mag, 280 Rem Ackley Improved, 7mmRemMag, 7mm Ultra mag, 7mm Weath Mag, 7mm STW