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Joined: May 2009
Posts: 17,308 Likes: 9
Campfire Ranger
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OP
Campfire Ranger
Joined: May 2009
Posts: 17,308 Likes: 9 |
Forget that. Sounds like a another berger seating depth goat rope
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Joined: Feb 2008
Posts: 1,168
Campfire Regular
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Campfire Regular
Joined: Feb 2008
Posts: 1,168 |
Factory Superformance 80 grain GMX works well out of my 243. About 1" groups, or maybe a little less, off a block of wood. Advertised velocity is 3400 fps, but I didn't clock it. Same for me. About 1" groups in my model seven, which was as good or better than anything I've tried, including several different factory offerings and several hand load combinations with 80 gr TTSX. I killed several deer with the GMX and was impressed, however I later bought a chronograph and found that these were only shooting about 3010 fps in my 20" barrel. For comparison, I'm getting 3180 with the TTSX and 1 grain under max load of RL 15 with less recoil and muzzle blast, which is important when loading for a 9 yr old.
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Joined: Nov 2002
Posts: 33,845 Likes: 21
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2002
Posts: 33,845 Likes: 21 |
I have never had a problem getting very good accuracy with the TSX or TTSX. From the 222 Rem to the 416 Rem with a bunch in between. And performance, well always stellar. As such, I do not play with others.
Conduct is the best proof of character.
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Joined: May 2017
Posts: 4,946 Likes: 5
Campfire Tracker
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Campfire Tracker
Joined: May 2017
Posts: 4,946 Likes: 5 |
Every cartridge I have loaded with Barnes TTSX has performed well. No reason to mess with GMX or other monolithic bullets at this point. The 150 GMX shoots fine in son’s Garand for plinking. I bought a bunch of blems cheap from Midway a few years ago. Happy Trails
Life Member NRA, RMEF, American Legion, MAGA. Not necessarily in that order.
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Joined: May 2009
Posts: 17,308 Likes: 9
Campfire Ranger
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OP
Campfire Ranger
Joined: May 2009
Posts: 17,308 Likes: 9 |
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Joined: Apr 2013
Posts: 3,180
Campfire Tracker
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Campfire Tracker
Joined: Apr 2013
Posts: 3,180 |
I have a model seven ks that shoots 139gmx well under an inch....consistently. I'd have to look up load recipe. It was my first try with them...same thing with 140 txs and ttsx. It's just one of those rifles that will shoot anything
Regards, Nick- Georgia
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Joined: Feb 2010
Posts: 17,927
Campfire Ranger
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Campfire Ranger
Joined: Feb 2010
Posts: 17,927 |
I've never seen a TTSX that didn't shoot lights out with a max (or near max) charge and the bullet seated to the front of the first driving band. 243, 260, 7-08, 270, 30-06, 308, 338, 375 H&H..
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Joined: Oct 2007
Posts: 5,468
Campfire Tracker
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Campfire Tracker
Joined: Oct 2007
Posts: 5,468 |
In my 7X64 they have been OK, definitely something that I would hunt with. Not as accurate as others and not as high a velocity. Still well within my standards for a hunting load. About 1.5" at 100 yards for 5 rounds. About the same result with factory Barnes TTSX loads. The GMX were reloads.
Last edited by smithrjd; 05/01/18.
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Joined: Apr 2014
Posts: 60
Campfire Greenhorn
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Campfire Greenhorn
Joined: Apr 2014
Posts: 60 |
I ran two boxes of factory Hornady GMX ammo through my Ruger M77 7mm-08 and killed a spike elk at a little over 100 yards with one shot (through and through, hitting bone low front shoulder). The wound channel was pretty savage, but bone chunks seem to help tear shtuff up. The accuracy at the bench was from the high .5's to low .7" with 5-shot groups. After seeing the x-rays of lead in harvested game animals, I wanted to try some monometal bullets for the health and safety of my family. Even if a cup/core bullet retains 90% of its weight, that's still 14gr of lead seasoning in my meat with a 140g bullet. No. Thanks.
My buddy just tuned-up a Savage Lightweight Hunter in .308 and has some Cutting Edge bullets in copper and in brass to try out. If they shoot well for him, I might also give them a try, but they are quite spendy when compared to factory Hornady GMX fodder, which has already earned a place on the shelf in my book.
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Joined: Dec 2008
Posts: 21,228 Likes: 2
Campfire Ranger
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Campfire Ranger
Joined: Dec 2008
Posts: 21,228 Likes: 2 |
I've never seen a TTSX that didn't shoot lights out with a max (or near max) charge and the bullet seated to the front of the first driving band. 243, 260, 7-08, 270, 30-06, 308, 338, 375 H&H.. So all grooves are seated in the neck?
Ping pong balls for the win. Once you've wrestled everything else in life is easy. Dan Gable I keep my circle small, I’d rather have 4 quarters than 100 pennies.
Ain’t easy havin pals.
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Joined: Feb 2010
Posts: 17,927
Campfire Ranger
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Campfire Ranger
Joined: Feb 2010
Posts: 17,927 |
I've never seen a TTSX that didn't shoot lights out with a max (or near max) charge and the bullet seated to the front of the first driving band. 243, 260, 7-08, 270, 30-06, 308, 338, 375 H&H.. So all grooves are seated in the neck? Not my pic, but just like this. Maybe a hair above the neck so crap doesn't get in. Yes, I set the seater die by eye. Measure later.
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Joined: Dec 2008
Posts: 21,228 Likes: 2
Campfire Ranger
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Campfire Ranger
Joined: Dec 2008
Posts: 21,228 Likes: 2 |
Copy. I’ve gotten acceptable accuracy but never “lights out” that alotta folks get... ill have to try the 80’s in the 6 ai again...
Ping pong balls for the win. Once you've wrestled everything else in life is easy. Dan Gable I keep my circle small, I’d rather have 4 quarters than 100 pennies.
Ain’t easy havin pals.
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Joined: Feb 2010
Posts: 17,927
Campfire Ranger
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Campfire Ranger
Joined: Feb 2010
Posts: 17,927 |
Maybe my lights aren't as bright, but MOA or better.
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Joined: Dec 2008
Posts: 21,228 Likes: 2
Campfire Ranger
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Campfire Ranger
Joined: Dec 2008
Posts: 21,228 Likes: 2 |
Ya I had em moa in my 6, the 80 BT’s were better so I ran em and killed several big deer with em. I’ll mess with the seating a little more see how they doo.id like something to dig a little deeper for bears and bulls..
Ping pong balls for the win. Once you've wrestled everything else in life is easy. Dan Gable I keep my circle small, I’d rather have 4 quarters than 100 pennies.
Ain’t easy havin pals.
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Joined: Mar 2006
Posts: 14,592 Likes: 12
Campfire Outfitter
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Campfire Outfitter
Joined: Mar 2006
Posts: 14,592 Likes: 12 |
I seat 0.050" off, and they always shoot.
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Joined: Jun 2007
Posts: 2,067 Likes: 1
Campfire Regular
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Campfire Regular
Joined: Jun 2007
Posts: 2,067 Likes: 1 |
I never got a 3" group with them during load development (30-06, 270, 300 WSM) BUT out of the three (Barnes TTSX, Nosler eTips,Hornady GMX), they gave me the largest group. Actually it was in that order from left to right tha gave me the best to worst groups. The GMX did shoot sub-MOA Just not one ragged hole.
If you look at MCMXI image of his target on page 1. My group with the GMX looks like his 3 o'clock orange dot.
Last edited by HaYen; 05/03/18.
Remember, not everyone has a happy ending, so be happy when you can
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Joined: Mar 2021
Posts: 3
New Member
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New Member
Joined: Mar 2021
Posts: 3 |
Hello I have just gotten in to reloading. Have purchased some GMX 180gr for my 300 win model 70. I am having issues with the distance they have to be into brass base of bullet seems to be quite far past the shoulder with one grove showing above neck that’s as long as I can go to run through my rifle. .134 off lands any help appreciated.
Andrew
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Joined: May 2011
Posts: 15,950 Likes: 2
Campfire Ranger
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Campfire Ranger
Joined: May 2011
Posts: 15,950 Likes: 2 |
Andrew, you've landed in an old thread. You might want to check out the big game reloading forum here and pose that question there. Welcome to the fire.
There are 2 rules to success:
1. Never tell everything that you know.
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Joined: Mar 2021
Posts: 3
New Member
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New Member
Joined: Mar 2021
Posts: 3 |
Andrew
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Joined: Nov 2012
Posts: 672
Campfire Regular
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Campfire Regular
Joined: Nov 2012
Posts: 672 |
120 grain superformance shoots real well in my daughters 6.5
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