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Shooting the new 7mm/300 Win Mag today out to 1715 yards #6755588 05/05/17 10:50 PM
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ChadTRG42 Offline OP
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The 7mm/300 Win Mag is fully up and running now! And she's a beaut! I did some initial load testing last week and worked on more load work up this week with the Berger 195 grain EOL. The caliber is a 300 Win Mag case necked down to 7mm to shoot the new Berger 195 EOL. The load I ran this morning was running 3013 fps average. We shot at 932 yards last night, and got some great results. Today, we went out to our 1 mile target, but could only get to 1715 yards with the heavy vegetation right now (we need to do some chain sawing!) We got set up and lasered the target to 1715 yards. At the 3013 fps I'm running, this bullet is supersonic to right at 2000 yards. We had a bad switching wind that would change from a 2 o'clock wind, then no wind and mirage would boil straight up, then switch from the 10-11 o'clock wind value. Once we got our wind call, we could make repeatable hits. I used to play with the 300 WM with the 225 BTHP and this 7mm bullet makes things a lot easier! Anyway, here's some pictures of our set up and shooting platform.


Rifle:













The Target:




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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6755599 05/05/17 11:08 PM
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VERY nice!

What are you thoughts on the 7/300wm vs the 28nosler?




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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6755708 05/06/17 01:57 AM
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Nice set up rifle, bench and custom shade.

Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6755712 05/06/17 02:04 AM
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That is bad azz Chad rifle


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6755723 05/06/17 02:20 AM
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We debated a lot about going 28 vs 7/300wm. We looked at several factors.

1- brass cost and availability. 28 nosler is expensive at about $3 a piece. Norma 300 wm brass is about $1.10.

2- case volume. The nosler holds about 79-81 grains of powder for the 195 grain. The 300 wm holds about 75-78 grains of powder with the same 195 grain bullet. The case volume is very similar.

3- 7/300 wm chambering. Both rifles in the picture were chambered with the new PTG bore rider technology reamer that has a double stepped throat for better bullet alignment. This also allows for an increase in powder capacity and longer bullet seating, which closes the gap between the two.

4- loading and sizing brass. Since I already load for the 300 wm with high end match grade dies, I have all the FL, neck sizing, and bushing dies. The sizing of 7/300 wm brass is as easy as installing the proper neck bushing to size for 7mm, about a $15 cost.

Comparing all factors, the 7/300 was very attractive. I'm running the 195 at 3020 fps, and got it up to 3098 fps, but with some pressure signs. The 28 nosler is about 3050 to 3100 also, maybe 3150 with the right powder and barrel length.

It was a debated topic, for sure. I have been impressed with the 28 nosler, just not the higher cost.


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6755757 05/06/17 03:11 AM
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Why wasn't I notified? sick


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6755759 05/06/17 03:12 AM
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texas

Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6755823 05/06/17 11:17 AM
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Got it made in the shade.... cheers


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: Always ready 2 hunt] #6755938 05/06/17 02:25 PM
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Originally Posted By: Always ready 2 hunt
Nice set up rifle, bench and custom shade.

Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6755951 05/06/17 02:40 PM
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Great looking rifle and setup up


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: SnakeWrangler] #6755974 05/06/17 03:20 PM
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Originally Posted By: SnakeWrangler
Got it made in the shade.... cheers

My thoughts exactly! Very nice little set up you got there!


Mmmm Hmmm
Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6756166 05/06/17 09:02 PM
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Thanks guys! The Ranger and shooting trailer are a buddies of mine. It's a nice little set up.


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6756170 05/06/17 09:10 PM
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Nice rifle!

Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6756191 05/06/17 09:33 PM
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Very very nice.

Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6756328 05/06/17 11:25 PM
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Looks FUN!


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6756570 05/07/17 05:50 AM
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That is incredible Chad. 1,715 beats my confirmed dope by only 1,015 yards lol. Very nice rig cheers Are you shooting off the suspension of the trailer or raising those jacks on each corner to steady the platform?


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: J.G.] #6756988 05/07/17 09:19 PM
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Originally Posted By: FiremanJG
Why wasn't I notified? sick


Because your range is to little? confused2


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: Bee'z] #6757102 05/07/17 11:43 PM
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Originally Posted By: 2Beez
That is incredible Chad. 1,715 beats my confirmed dope by only 1,015 yards lol. Very nice rig cheers Are you shooting off the suspension of the trailer or raising those jacks on each corner to steady the platform?


Correct, each corner on the trailer has a Jack that we use to stabilize and firm up the trailer. It works well. Thanks!!


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: OkieDokie] #6757258 05/08/17 02:06 AM
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Originally Posted By: OkieDokie
Originally Posted By: FiremanJG
Why wasn't I notified? sick


Because your range is to little? confused2


Go with em, silly.

Imma spotter. wink


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6757557 05/08/17 02:15 PM
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Yes, come with us next time! I'll let you know when we go. I also go some feeders topped off for some night hunting some hogs we have been seeing.


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6759040 05/09/17 08:47 PM
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Would have thought that umbrella would have pushed the trailer around in the wind.

I am still amazed at what some folks can do with a rifle.


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: redchevy] #6759050 05/09/17 08:57 PM
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Originally Posted By: redchevy
Would have thought that umbrella would have pushed the trailer around in the wind.

I am still amazed at what some folks can do with a rifle.


The wind was light, but it would move some when we were moving around on the trailer or a stiff breeze hit us. If you wait it out, it settles down and makes for a steady shot. Come with us sometime! I have 2 rifles now to play out there- 300 Win Mag and new 7mm/300 WM.


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6760175 05/10/17 07:54 PM
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Cost and brass availability is exactly why I'd go with the 7/300!

Who put your rifle together? Mind sharing the specs?




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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6760192 05/10/17 08:12 PM
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Sure. Tony with ZG Customs put it together for me, who does most of my builds. Specs are:

7mm/300 Win Mag with the PTG bore rider throat (more lead, higher speeds and better bullet alignment)
Big Horn long action, magnum bolt face
McMillan Game Scout stock
Bartlein 1:8" twist barrel, finished at 27.5" (About a #4 or #5 contour, I'd have to look it up)
Harrell's muzzle brake
H S Precision detachable bottom metal
20 MOA rail
5.5-22 Nightforce mil/mil

Ammo is Norma 300 Win Mag brass (brass weight sorted), Retumbo powder, Fed 215M primer, Berger 195 EOL running right at 3013 fps avg.


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Re: Shooting the new 7mm/300 Win Mag today out to 1715 yards [Re: ChadTRG42] #6767959 05/18/17 08:18 PM
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Someone is a lefty...

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