Looking for 300 win mag 175 SMK load data

[Buckys]

My 300 win mag seems to like 190 SMK more than anything that I've tried so far.

I would like to try 175 SMK - looking for load data for this. I have a small number of 178 ELDM as well.

Thanks.

 

[just_jon]

This is from the Sierra Ed. VI. If you need something else, i can run in quick load if you provide the powders you are considering.

 

[Buckys]

Thanks! I like to review the bullet and powder manufacturers load data before I ever run software models (I use Gordon's Reloading Tool). So, I very much appreciate the Sierra manual snapshot.

FYI, for other's use, I pulled this from the Accurate/Ramshot manual:

		Weight(Gr)	Make	Bullet	Load(Gr)	Velocity(FPS)	Load(Gr)	Velocity(FPS)	Pressure(PSI)	COL(Inch)	Compress
Accurate	2700	175	Sierra	HPBT-MK	61.2	2,740	68	3,002	63,677	3.34
Accurate	4350	175	Sierra	HPBT-MK	66.7	2,765	74.1	3,113	63,677	3.34
Ramshot	Hunter	175	Sierra	HPBT-MK	64.3	2,831	71.5	3,083	63,677	3.34
Accurate	Magpro	175	Sierra	HPBT-MK	74.3	2,842	82.5	3,126	63,677	3.34	C
Ramshot	Magnum	175	Sierra	HPBT-MK	78.6	2,861	87.3	3,170	63,677	3.34	C

 

[Mike Matteson]

The Sierra Manual should work for loading those different bullets. Used the lower powder load and step up in increase powder loads, watching for pressure signs. I don't know if I would step quite as fast as Sierra manual shows. Sierra doesn't show a differences between 175gr and 180gr bullets in powder loading. There isn't much different there anyway. I would take some care in what powder you are using. I don't know what your temp change from high to low is there. Some powder listed are not very temp stabile powders. They are not going to put out something that really unsafe, but at the same time go slowly as you step up your powder loads. I would just load one powder charge per case and increase by .5grs to progress up to there max's. Test fire watching for pressure signs with each load. Anytime you change powders, primers, bullets, and brand of case you need to do a work up, watching for pressure signs.

 

[Buckys]

There is enough temp change in Dallas area that I shoot out of a window of an AC'd house during the summer I plan for 20F-90F generally (since I will only shoot out of said house during the heat of the summer)

So if I end up using a relatively temp instable powder, I won't be pushing max velocity (regardless of powder choice, I'll take best accuracy over velocity anyway).

 

[Mike Matteson]

It doesn't really matter if shots are under 500yds. beyond that it starts to really comes into play.

 

[Lefty G-gear]

My 300 win mag seems to like 190 SMK more than anything that I've tried so far. I would like to try 175 SMK - looking for load data for this. I have a small number of 178 ELDM as well. Thanks.

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300 Win Mag. Load for 175 SMK

www.sniperforums.com

300 Win Mag Reloading with Superformance and 175gr Sierra TMK (tipped match king)

DISCLAIMER/WARNING FOR NEW RELOADERS : Any load data in this article is for ONE particular rifle (mine). If you try this load in your g...

www.reloading300winmag.com

 

[Rflshootr]

300 Winchester Magnum​
Primer:​	Fed 215​	Test Firearm: ​	Savage 116FSS​
Case: ​	Federal​	BBL Length: ​	26"​
Twist: ​	1x10"​	Trim-to Length: ​	2.610"​
Bullets: ​
#2275 .30 Caliber/7.62mm (.308) 175 gr. HPBT Match OAL 3.340 #2150 .30 Caliber/7.62mm (.308) 180 gr. SPT OAL 3.340 #2160 .30 Caliber/7.62mm (.308) 180 gr. SBT OAL 3.340 #2220 .30 Caliber/7.62mm (.308) 180 gr. HPBT Match OAL 3.340 #2170 .30 Caliber/7.62mm (.308) 180 gr. RN OAL 3.340

Powder/Velocity	2700	2800	2900	3000	3100
XMR-4350	62.2	64.6	67.0	69.4
IMR-4350		64.0	66.5	68.9	71.4
RE-19		65.4	68.3	71.1
IMR-4831		67.2	69.4	71.6	73.8
XMR-3100	67.1	69.4	71.7	74.0
H4831SC		68.2	70.7
MagPro	69.3	72.5	75.7
RE-22		67.2	69.7	72.3	74.8
IMR-7828			72.3	74.6	76.8
H1000	71.2	73.9	76.5	79.2
Magnum		75.5	77.6
RE-25	65.7	69.2	72.8	76.3
Energy/ft.lbs.	2914	3134	3362	3598	3841

Accuracy Load: IMR-4831/ 71.6grs. 3000fps/ 3598ft. lbs.

Hunting Load: IMR-7828/ 76.8grs. 3100fps/ 3841ft. lbs.

Sierra does not recommend MatchKing bullets for hunting applications.

Copyright 2003 Sierra Bullets, LLC.

 

[wrightjr]

My Rem 700 5- R 300 WM liked 71 gr of IMR 4831.