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Campfire Tracker
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Campfire Tracker
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Finally a good use for 300 Win Mag brass 
Gerry.
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Joined: Apr 2007
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Campfire Tracker
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Campfire Tracker
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I've got a pound of LilGun I may try this fireforming with
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Joined: Aug 2010
Posts: 48,099 Likes: 8
Campfire 'Bwana
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Campfire 'Bwana
Joined: Aug 2010
Posts: 48,099 Likes: 8 |
Finally a good use for 300 Win Mag brass Exactly what I was thinking of the short necked bastid as well... 
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style. You want to see an animal drop right now? Shoot him in the ear hole. BSA MAGA
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Joined: Jan 2007
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Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Jan 2007
Posts: 35,900 |
Easy peasy! 
The 280 Remington is overbore.
The 7 Rem Mag is over bore.
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Joined: Jun 2011
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Campfire Outfitter
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Campfire Outfitter
Joined: Jun 2011
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Rick does the polenta smell good when you torch it off?  Makes a great hot cereal mixed with oatmeal and raisins.  ![[Linked Image]](http://i379.photobucket.com/albums/oo236/rcamuglia/P1010428.jpg)
Last edited by rcamuglia; 04/18/16.
The people wringing their hands over Trump's rhetoric don't know what time it is in America.
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Joined: Sep 2011
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Campfire Regular
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Campfire Regular
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Is the cream of wheat (polenta) for case fill volume?
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Joined: Jun 2011
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Campfire Outfitter
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Campfire Outfitter
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Yeah. You need to fill the case with something so when the charge is fired there's enough "pressure" to form the case
The people wringing their hands over Trump's rhetoric don't know what time it is in America.
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Joined: Sep 2012
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Campfire Member
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Nice Rick I like the other method using lead out the barrel myself. Good post though very thorough.
Shot a few more of the 175 7828 loads. I backed down to 66.5 still at 1.25" played with seating depth either the nut behind the trigger was beat up or I'm a little off. 67.5 I couldn't get to repeat and I thought it may still be on the warmish side since I decided to use 3 cases and just use them over and over and after 4 firings the pockets are a little on the squishy side.
So I'm gonna try some RL26 and some H1000 is on the way. Thinking my lot of 7828 is a little on the fast side. Ran a QL and with my velocities 69 gr should have been right at 65k I think I was pushing 68-70k with the pressure signs I got.
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Joined: Jan 2007
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Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Jan 2007
Posts: 35,900 |
NV: Suspect you will find what we did with 7828, H4831 ec, that those older sing base powers were good back in the day, and still work with lighter bullets,,,,but the newer slower powders do a better job in the larger case with the bullets 160 and up. Things like R25 (have not tried 26 yet), H1000, retumbo etc. just give better results.
Noticed the same with the 7mm Dakota which is a really a belt less Mashburn for practical purposes.
The 280 Remington is overbore.
The 7 Rem Mag is over bore.
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Joined: Apr 2007
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Campfire Tracker
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Campfire Tracker
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![[Linked Image]](http://i757.photobucket.com/albums/xx217/brockel/Mobile%20Uploads/image_zpsodallivp.jpg) Here's my second Mashburn I picked up from the smith tonight. Remington 700, #3 lilja cut to 25", Leupold 6x42 with m1 turret sitting in talleys, timney trigger, all sitting in a mcmillan classic edge stock. Scoped and with a Montana sling and 3 in the belly she is 8lbs on the nose. Now if the wind would quit so i could get to the range.
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Joined: Oct 2000
Posts: 30,286
Campfire 'Bwana
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Campfire 'Bwana
Joined: Oct 2000
Posts: 30,286 |
Laker, Dober texted me that picture of yours about 30 minutes ago. I told him it looked almost identical to his, which is why he liked it I've shot his, and seen it in action, a killing machine for sure.
“Perfection is Achieved Not When There Is Nothing More to Add, But When There Is Nothing Left to Take Away” Antoine de Saint-Exupery
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Joined: Apr 2007
Posts: 3,723
Campfire Tracker
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Campfire Tracker
Joined: Apr 2007
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Laker, Dober texted me that picture of yours about 30 minutes ago. I told him it looked almost identical to his, which is why he liked it I've shot his, and seen it in action, a killing machine for sure. Brad if this one is as lucky for me as my first one I will be a happy man.
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Joined: Feb 2011
Posts: 17,790 Likes: 1
Campfire Ranger
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Campfire Ranger
Joined: Feb 2011
Posts: 17,790 Likes: 1 |
Laker, love that caliber.. I was a real fan of Bob Hagel.. That was his favorite big game caliber! Hope it is as lucky for you as the first.. I liked hearing about the game you and your gal took with that older rifle. Keep us posted on your success with this new one! Being old, not as old as Ingwe, but old, I can't really warm up to the plastic stock , but you are young and can enjoy that style! Very best of luck with a fine rifle!
Molon Labe
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Joined: Jan 2007
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Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Jan 2007
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The 280 Remington is overbore.
The 7 Rem Mag is over bore.
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Joined: Feb 2011
Posts: 11,273
Campfire Outfitter
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Campfire Outfitter
Joined: Feb 2011
Posts: 11,273 |
Here's my second Mashburn I picked up from the smith tonight. Remington 700, #3 lilja cut to 25", Leupold 6x42 with m1 turret sitting in talleys, timney trigger, all sitting in a mcmillan classic edge stock. Scoped and with a Montana sling and 3 in the belly she is 8lbs on the nose. Now if the wind would quit so i could get to the range. Laker, that thing came out really sweet... I want to know what it'll do with 180 Scenars or 195s... Tanner
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Joined: Sep 2012
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Well got to do some work with RL26 and the 175PT.
68-2968
69-3013
70-3015
70.5-3035
71-3049
70 shot the best so played with seating depth from about 3.492" down to 3.460". 70 and 60 shot the best around 3/4" with 60 being 2 same hole one about .75" out. Might have a harmonic issue with the rifle as well. When I shot the 60 group first 2 were spread then 3&4 were 2" low right and 5 going in same hole as #1. I thought initially I pulled 3 so went loaded one and 4 went same spot so went loaded another and it went into the same hole as one.
Pretty fatigued at that point had shot around 35 rounds.
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Campfire Member
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Guessing here Tanner but 180's 2975-3000 and 2850-2900 with 195's
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Campfire Member
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Very nice Rifle there Laker. Mines an M70 SS CRF and touch over 8 lbs with a VX3.
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Joined: Jan 2007
Posts: 35,900
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Jan 2007
Posts: 35,900 |
Well got to do some work with RL26 and the 175PT.
68-2968
69-3013
70-3015
70.5-3035
71-3049
70 shot the best so played with seating depth from about 3.492" down to 3.460". 70 and 60 shot the best around 3/4" with 60 being 2 same hole one about .75" out. Might have a harmonic issue with the rifle as well. When I shot the 60 group first 2 were spread then 3&4 were 2" low right and 5 going in same hole as #1. I thought initially I pulled 3 so went loaded one and 4 went same spot so went loaded another and it went into the same hole as one.
Pretty fatigued at that point had shot around 35 rounds. That sounds about right from a 24" barrel....ditto on the 180-195's as a target velocity. It'll vary a bit depending on barrels....like any other cartridge.
The 280 Remington is overbore.
The 7 Rem Mag is over bore.
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![[Linked Image]](http://s723.photobucket.com/user/beretzs/media/RIFLES/Model%2070%207mm%20Mashburn%20Super%20Magnum/FA3C07AC-584E-4AC6-AA42-88AE62794AEE_zpsk8m66ze7.jpg.html)
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