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Mar 25th, 2012
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Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle #6844064
08/03/17 05:02 PM
08/03/17 05:02 PM
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I said I wasn't going to sell this rifle, but I'm going to go ahead and list it to fund my next 7mm/300 Win Mag. What is a 7mm/300 Win Mag? It is simply a 300 Win Mag case necked down to 7mm. It very closely replicates the 28 Nosler ballistics, but at a much lower ammunition cost. (See about the Berger 195 EOL below). I specifically built this rifle to shoot the new Berger 195 EOL (Extreme Outer Limits) bullet for ultra long range shooting and hunting. Basically, I built this rifle to be "THE Rifle of Rifles" for long range shooting! At the 2990 fps I am launching these 195 grain bullets at, the bullet stays supersonic to over 2000 yards!!!

Rifle Specs:

Big Horn Action, long action, magnum bolt face
Bartlein barrel, 1:8" twist, 28" long, #11 contour (Medium Palma)
Harrels's Muzzle Brake (threaded 5/8"x24)
McMillan Game Scout Stock
Jewell Trigger
HS Precision bottom metal with 5 round mag
Custom Cerakote, bronze and coyote on barrel, bolt, bolt release, and picatinny rail
20 MOA Seekins picatinny rail
Rifle is chambered with the PTG bore rider 7mm/300 Win Mag reamer. This reamer is a double shouldered throat, and is designed to pre-align the bullet as it goes into the rifling for better accuracy. It also allows for an increased bullet velocity over a standard reamer. You can read about the PTG bore rider reamer technology winning some F-class 308 Win matches on-line, also.

The rifle was built by Tony of ZG Custom Rifles, who does all my rifle builds. You can find some info about ZG Custom Rifles HERE.

I have shot this rifle and tested it with the 195 grain Berger EOL. It will run ~2990 fps. It shoots easily sub 1/2 moa, and has turned in several one hole groups at 100 and 200 yards. This load will stay supersonic past 2000 yards. I have about 60 rounds on the rifle now from barrel break-in, load testing, and some plinking at 930 yards and 1730 yards. I have shot it out to 1730 yards (30 yards short of a mile), and it did VERY well.

Ammunition- I can load custom 7mm/300 Win Mag ammo for $296 per 100 rounds. Once fired brass can be reloaded multiple times for $184 per 100 rounds. (Norma 300 WM brass, Retumbo powder, Fed 215M primer, and Berger 195 EOL). If you reload, I will gladly include my load data with the rifle.

I will take $3900 for the rifle (FIRM), no tax if paying cash/cashiers check. I am an FFL, and a form 4473 will need to be filled out upon purchase (free transfer). I can easily ship to you or your FFL, if needed. Feel free to call me at 972-Eight Seven Seven - 2356, or PM me here for info and purchasing. (If you want a rifle like this built, let me know, and I can build one for you.)


A little bit about this Berger 195 grain bullet. This bullet has such a high Ballistic Coefficient (BC), that it is leaps and bounds above any other bullets in the 6.5mm, 7mm, and .308" caliber offerings. At the 2990 fps I am launching these 195 grain bullets at, the bullet stays supersonic to over 2000 yards!!! The BC is so high, that it has very similar ballistics and trajectory to the 375 Chey-Tac with certain 350 grain bullets. And all this is in a simple 7mm/300 Win Mag case! It has less drop and the least amount of wind drift than any other round I have shot long range with. I have shot well over 3000 rounds with my TRG 42 in 300 WM with the 190 SMK, 208 A-max and 225 BTHP, and this 7mm spanks it! The Berger 195 EOL is truly a game changer bullet.


http://www.bergerbullets.com/7mm-195gr-eol-elite-hunter-testing/

http://www.bergerbullets.com/7mm-195gr-extreme-outer-limits-elite-hunter/


















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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #6845129
08/04/17 03:16 PM
08/04/17 03:16 PM
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #6846412
08/05/17 06:05 PM
08/05/17 06:05 PM
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Got some tire kickers!!!!



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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #6848118
08/07/17 01:59 PM
08/07/17 01:59 PM
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #6854871
08/13/17 07:02 PM
08/13/17 07:02 PM
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Back from Cancun!!



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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #6855832
08/14/17 04:24 PM
08/14/17 04:24 PM
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #6856264
08/14/17 10:12 PM
08/14/17 10:12 PM
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Originally Posted By: ChadTRG42
Back from Cancun!!
Glad you made it back alive. Is the 7mm/300win. also referred to as the 7mm practical?


"I can't be over gunned because the animal can't be over dead"-Elmer Keith
10/30/2012 I VOTED for The American
Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #6856283
08/14/17 10:24 PM
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Very similar, but no. The 7mm Practical is a 300 Win Mag case with the shoulder angle blown out to, I think, 30 degrees. This process requires fore forming, and then doing load development on the new fire formed case, which will yield only a minor case capacity improvement for the added cost of ammo and increased barrel wear. This 7mm/300 WM I built is simply a standard 300 Win Mag necked down to 7mm. It's a simple step, and you are ready to load and shoot it in one step.

My initial process of sizing down the cases were running the Norma 300 WM brass up into a 7mm Rem Mag die, but leaving the die short justr before it makes contact with the shoulder, since the 300 WM case is longer than the 7 Rem Mag. The 7 Rem Mag and 300 Win Mag share the same exact shoulder angle and shoulder width, just that the 7 Mag is a short case. This will only work for forming the cases, not FL sizing them after firing. I have a Redding 300 Win Mag FL neck bushing die for that.

I'll be shooting this rifle again this weekend, and will post pictures then. But, I was only planning to sell this rifle if my smith can build me another 7mm/300WM in short time, which he won't be able to do now. So, I'm about to take the ad down and just shoot it. We have a location we hunt from that we call "Sniper Hill". There are feeders at 220 yards, 782 yards, and 880 yards. We plan on hunting from these spots once hunting season starts to tag a doe or some pigs.



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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7029408
01/08/18 03:03 PM
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195 EOL are running 3010 fps, which is at the heals of the popular 28 Nosler. But, not at the cost of the 28 Nosler ammo!

Here's today's range result. First pic is a quick 3 shot group at 200 yards. That's .497" at 200 yards!!






Next, I dialed up 4.5 mils for an 800 yard shot. Wind was 10 o'clock at about 10 mph, so I held .5 MIL for wind. First round impact near dead center! This rifle is ON!!!





Last edited by ChadTRG42; 02/03/18 02:49 AM.


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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7031094
01/09/18 02:35 PM
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7032661
01/10/18 03:09 PM
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7034256
01/11/18 04:17 PM
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7034491
01/11/18 07:00 PM
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What is engraved on the barrel just in front of the receiver? Awesome rifle!

Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: Chunky Dunk] #7036019
01/12/18 09:18 PM
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Originally Posted By: Chunky Dunk
What is engraved on the barrel just in front of the receiver? Awesome rifle!


On the right side (port side), it says "Z G Customs", which is my gunsmith Tony.

On the left side, it says "7-300 Winchester" which is 7mm-300 Win Mag.

Thank you so much!!



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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7036657
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7038120
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7038883
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7040228
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7041725
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7063868
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7065305
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7066563
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7067899
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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7264429
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Someone asked me about this rifle if it was still for sale. It has been a safe queen. I'll bump this thread a few times and see who might be interested. This round produces almost the exact speed of the 28 Nosler, but without the added cost of the 28 nosler ammo.

I have about 80-100 rounds on the rifle. I've done a little testing with it refining the load, which is an absolute hammer! The 195 Berger is running right at 3000 fps.



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Re: Full Custom 7mm/300 Win Mag, Rem 700, Precision ultra long range rifle [Re: ChadTRG42] #7265291
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