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#5521004 - 01/05/15 09:04 AM 300 WM w/ 165 SST or GMX?
Revoman Offline
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Registered: 01/14/11
Posts: 1214
Loc: Abilene Texas
Looking to load these two bullets in the new 300 and wondering if anyone has any data or luck reloading them. I have lots of 4831SC but been thinking either IMR7828 or Win 780
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#5521195 - 01/05/15 10:50 AM Re: 300 WM w/ 165 SST or GMX? [Re: Revoman]
redchevy Offline
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Registered: 10/25/04
Posts: 23452
Loc: Texas
For that weight of bullet I'm thinking the 4831SC would be the better option for you.

Depending on what your doing with them, I wouldn't recommend either of those bullets. I have shot the 165 GMX's out of a 300 wby max loads and if you don't hit heavy bone they wouldn't expand reliably. I think the 165 SST's would be a grenade at 300 WM velocities. All what you want out of a bullet I guess.
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#5528367 - 01/08/15 03:10 PM Re: 300 WM w/ 165 SST or GMX? [Re: Revoman]
Revoman Offline
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Registered: 01/14/11
Posts: 1214
Loc: Abilene Texas
Probably go with 165 Accubonds , have great luck with them in 7mm pushed fast
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#5528537 - 01/08/15 04:25 PM Re: 300 WM w/ 165 SST or GMX? [Re: Revoman]
redchevy Offline
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Registered: 10/25/04
Posts: 23452
Loc: Texas
My 300 wby likes the 165 accubonds
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#5533215 - 01/10/15 05:33 PM Re: 300 WM w/ 165 SST or GMX? [Re: Revoman]
bcranch Offline
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Registered: 09/30/12
Posts: 180
Loc: Ft. Benning, GA
My son shot a cow elk at 300 yds with 165gr GMXs out of his 300 Win mag and had great results. About 4 feet of penetration. Can't help with load data because they were factory superformance loads but I can recommend the bullet.
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#5534277 - 01/11/15 08:20 AM Re: 300 WM w/ 165 SST or GMX? [Re: Revoman]
STX Hog Hunter Offline


Registered: 06/28/09
Posts: 256
Loc: Deep South Texas
I think the GMX will work fine. I used to shoot factory superformance GMX out of my 308's before I got into hand loading and they always performed well even when shot out of a 16 inch 308 AR. Shot a bunch of hogs and several deer with em and they always seemed to open up properly.
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#5538742 - 01/12/15 07:54 PM Re: 300 WM w/ 165 SST or GMX? [Re: Revoman]
Bbear Offline
Tracker

Registered: 11/24/13
Posts: 598
Loc: West Texas
I tried the 165 SST's out of my 300. First shot was a Texas whitetail at approximately 140 yards. Left a 5" exit hole. Look at the GMX or as the other poster stated, the Nosler Accubonds or similar bonded bullet.
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#5559966 - 01/23/15 09:22 AM Re: 300 WM w/ 165 SST or GMX? [Re: Revoman]
Triplesnake Offline
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Registered: 01/03/05
Posts: 620
My 300Wm loves the 165 Accubond. I shot a good KS buck with it a few years ago at fairly close range. I was quite pleased with its performance; good expansion and complete penetration. I don't remember the load off the top of my head, but I'm pretty sure 7828 would be too slow for that light bullet weight.

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#5560065 - 01/23/15 10:17 AM Re: 300 WM w/ 165 SST or GMX? [Re: Revoman]
tth_40 Online   content
THF Celebrity

Registered: 04/05/10
Posts: 13737
Loc: North Texas.
IMO, IMR 4831 would be a good one, or IMR 4350. Maybe something like Accurate Mag Pro or RE 22 would be worth a try as well.
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#5560469 - 01/23/15 01:50 PM Re: 300 WM w/ 165 SST or GMX? [Re: Revoman]
Birdog62 Online   content
Bird Dog

Registered: 10/26/10
Posts: 450
Not to hijack the thread, but what do y'all think about H1000 for this weight bullet?
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#5563854 - 01/25/15 04:09 PM Re: 300 WM w/ 165 SST or GMX? [Re: Revoman]
Triplesnake Offline
Tracker

Registered: 01/03/05
Posts: 620
Probably also too slow. That's what I use for 180gr loads.

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#5564287 - 01/25/15 08:23 PM Re: 300 WM w/ 165 SST or GMX? [Re: Triplesnake]
Birdog62 Online   content
Bird Dog

Registered: 10/26/10
Posts: 450
Originally Posted By: Fire1
Probably also too slow. That's what I use for 180gr loads.

Thanks, I have about 5 lbs . I'm needing to use.
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#5564307 - 01/25/15 08:33 PM Re: 300 WM w/ 165 SST or GMX? [Re: Revoman]
30378 Offline


Registered: 02/14/09
Posts: 2824
Loc: Deer Park, Tx.
For years I shot RL-22 in my 300 Win mag. Tried RL-25 and never looked back. Gives @ 100fps more then RL-22 and just as accurate. I shoot 165 Accubonds with 82.5gr of RL-25, CCI250 primers and Winchester brass.
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#5564565 - 01/25/15 10:21 PM Re: 300 WM w/ 165 SST or GMX? [Re: Revoman]
Revoman Offline
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Registered: 01/14/11
Posts: 1214
Loc: Abilene Texas
Mainly using my 300 for mule deer in pretty open country. I have a box of factory GMX that I will try when I get the gun bedded. Will try powders that I have on hand, H4831 SC and 4350. I've been shooting Hornady's 150 Whitetail ammo building up brass. This stuff shoots great in my gun. I wouldn't hesitate on shooting anything in Texas with it.
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