180 gr. load for 300 RUM
 

Anyone have a super accurate big game hunting 180 gr bullet load figured out for the 300 RUM? I've made a couple mistakes in the past with bullets that would blow up, but were very accurate. I put a load together for 165 grain Swift Scirrocco and to get the accuracy I wanted, I had to slow it down untill it was shooting at the same speeds as a 300 win mag. I would like to be shooting a good 180 gr. and have it performing like a 300RUM is suppossed to. I'm hearing so many different opinions on what is the best accurate 180 gr. hunting bullet, I guess I'm getting a little confused. I have 5lbs. of Reloader 22.
When I get this figured out, I'll take my gun out to CCI and have them figure my ballistics to send to Leupold, who will send me a scope cap with dials out to 1000 yrds....so I'll be pretty much staying with this load for the life of the gun. The gun is a Remington Sendero 26" barrel with a 1/10 twist. Any help will be greatly appreciated. Coyotes will hate you for any help you give me! (they should have never ate my dog)

RE: 180 gr. load for 300 RUM
 

Anyone know the BC on the 180 gr. Accubonds? Thanks

RE: 180 gr. load for 300 RUM
 

Try the 180grbarnes tsx.I am getting 3360fps tp 3380fps using r-25 and groups are averaging 5/8" in my rifles.I just recovered a 180gr tsx after it passed through an elk spine and it still weighed 160gr.

RE: 180 gr. load for 300 RUM
 

I've had the best luck with the TSX also. The only other bullet I could get to shoot worth a dang was the Partition, and I think I've tried them all.

RE: 180 gr. load for 300 RUM
 

Any ideas on how much RL 22 a guy should use with the 180 TSX? Also a guy mentioned something to me about the Barns bullets causing excessive barrel wear the other day...any truth to that?

RE: 180 gr. load for 300 RUM
 

507

also I got great results with the 180 gr Accubond and 93 gr of H-1000 I am shoot consistenly under .750 with some under .40 if you want all of my info just pm me.

RE: 180 gr. load for 300 RUM
 

What's wrong with the 165 Swift Scirocco at 3250 fps? This bullet has ballistic coefficient comparable to most 180 grain bullets. Enough penetration for elk. And isn't kicking the snot of you too bad either . . .

I haven't had much luck getting 180 grainers to shoot real well out of this caliber yet. 200 grain Nosler Accubond has turned in some pretty good groups. But I would stick with the 165 Swift's. Or write "180 grain" on the box if that will make you feel better.

RE: 180 gr. load for 300 RUM
 

I just loaded up my elk load with 180gr scroocos and 92grs of RL22 ,I shot a group of 3 at 100yds with all shots touching each other. then zeroed in at 200yds they shot very well, and at 300yds they are 4 1/2 inches low and are at 3340. I would not go any hotter , in my gun, presure is showing up.

RE: 180 gr. load for 300 RUM
 

Roskoe, a little help with the wind at 1000 yrds and a little kick doesn't bother me much....you loosing snot? Holy Cow!

RE: 180 gr. load for 300 RUM
 

Holy cow, I wonder what kinda pressure that makes? That load would have locked up my brass.

RE: 180 gr. load for 300 RUM
 

I also found the scirocco to build pressure much sooner than other bullets.As well,copper fouling was extreme with my rifles.

RE: 180 gr. load for 300 RUM
 

Same here stubble. I could get away with that load with just about any nosler or hornady, but not a scirroco.

RE: 180 gr. load for 300 RUM
 

I too have had to back off loads a little for the Scirocco. Even if they can't be pushed quite as hard as other bullets with more brittlejackets and less bearing surface, the ballistic coefficient is so high and the terminal performance is so goodits a worthwhile trade off, IMO.

RE: 180 gr. load for 300 RUM
 

I prefer to push the barnes tsx at higher velocity,with a great ballistic co-efficient,with less fouling,and even more penetration and retained weight when usedon big game.

RE: 180 gr. load for 300 RUM
 

Hey Stubble, Sounds like I'm going to be shooting that TSX. Any suggestions on how much RL 22 I should put behind it to get your kind of performance? Thanks

RE: 180 gr. load for 300 RUM
 

Anyone know the BC on the Barnes 180 tsx? Thank you all for all your help! OK....disregard...found it and .511

RE: 180 gr. load for 300 RUM
 

Actually it is .552 the TSX is the boattail version not the flat base version.

RE: 180 gr. load for 300 RUM
 

Since I use r-25,I can't tell you how much r-22 to use.I found that r-25 gives the best accuracy and velocity in my rifles. I should also mention that after shooting the 180gr tsx out to 500 yards,the bullet drops more than it should for a ballistic co-efficient of .552.The trajectory is nearly identical to that of the 180gr ballistic tip which has a BC of .507.Just one morereason not to trust everything that the manufacturers print.I chronographed my loads so my velocities were actual and not estimated.

RE: 180 gr. load for 300 RUM
 

Thanks Stubble.....that BC thing is kind of a bummer though because that is one of the things Leupold will use when they figure the dial for my scope. Think I should just tell them the BC is more like .510 or something? I guess I'll just start with the max load of R-22 and see what happens.

RE: 180 gr. load for 300 RUM
 

I would not suggest you do that, it's a good way to get yourself in TROUBLE.

If you are bent on getting Leupold to make you specific turrets for your load I would not rely on any book, manual, internet forum friends suggestion. Book B.C. values are not written in stone and do change with changes in velocity, tempature and atmospheric conditions.
The best way to know is to go and actually shoot the ranges you desire. This will tell you what your particular gun/load combination does....and not just a guess or suggestion from a ballistic chart.

Dont get me wrong, ballistic charts can be helpfull but are only a guide. Look at any of them and they will list a certain rifle/pressure barrel, case, primer,bullet, tempature etc....these are all variables and chances of your gun duplicating them is nill. What works in one rifle wont for another.

Getting the Oehler 43 personal ballistic laboratory would help taking the guess work out as it does alot of things including giving pressures and actual B.C value. It will tell you what the load is doing in YOUR gun.

Anything else you read or hear of, whether it be here, in a magazine pertaining to loads, pressures are only guess's. Too many variables are involved.
The quote above is scary and tells me that you dont mind taking risk even if they might me harmful, that just my $.02 . Maybe I have misunderstood the statement and if so I am sorry. With the ease of getting information on the web there is not much accountabilty, be very carefull. Stay safe........

RE: 180 gr. load for 300 RUM
 

This is the only way to know whatthe actual trajectory of your load is.I would do this before spending money on special scope dials.I also wholeheartedly agree with not starting with a max load.Doing so could result in a locked up action or worse.Start at a reduced load and work up while checking for pressure signs.

RE: 180 gr. load for 300 RUM
 

ATK, Blount, Speer, Omark, CCI are all the same company and are in my home town. A buddy of mine had the engineers out there look his bullistics over, sent that info to leupold. Maybe he was just lucky, but he got great results and I've seen him kill coyotes at over 700 yrds. His scope dial is right on the money. When you are talking about 1000 yards, I don't know anyone who is going to let me shoot at his house to figure my bullet drop. Thanks to all you guys who have helped me out on this. Good luck this season!

RE: 180 gr. load for 300 RUM
 

I have fired loads at 500 yards and seen significant differences between the bullet manufacturers trajectory charts and the actual trajectory out of my rifle.This is in spite of the fact that I actuallychronographed my loads and did not use estimated velocities as most people do.At 1000 yards the differences could be much greater.The ONLY ACCURATE METHOD to determine trajectory of a given load in your rifle is to actually fire that load in your rifle at the given distances.

RE: 180 gr. load for 300 RUM
 

RA, you can know everyone is the business, but you can't guess this one, IMO. The most important factor on a bullistics calculator is scope hieght. You can get all the data you can from Leupold on ring heights and base sizes and guessimate distance from barrel center. But if I was putting my hard earned money into it, I for one would verify.

Closest you could come is to buy the scope of your choice and find out MOA change needed at your desired distances and don't touch the rings and send back that scope to leupold to modify.

There are so many tolerances that build up even the MOA clicks. I bet you could take 5 of the finest scopes and zero them at 100 yards, and then zero them at 700 yards, and there would be some variances between the MOA change between the five.

Even a great bullistics calculator is only a guideline.

Just wondering, why don't you want to do the tests on the real gun first? Thats the fun part.

RE: 180 gr. load for 300 RUM
 

Don't think I can come up with enough paper to measure my bullet drop at 1000 yards and my wife gets upset when I shoot at the house. Shot out to 600 yestarday.Think if the experts that build the bullets we shoot can figure within a couple inches of what I now know, I'll put a little faith in them. Speer and Leupold sure did a nice job on by buddies rifle. Thanks again to all you guys for your help....those TSX's are the way to go!

RE: 180 gr. load for 300 RUM
 

No Raco, you don't measure bullet drop at 1000 yards, but if it was me, I would want to know the rise at 100 yards to get to 1000 yards. First off, 1000 yards doesn't interest me. 600 is about enough for me and really my limits. I know 7.1MOA change for me to reach 500 yards. With all the numbers dialed in to my infinity software, it predicts much happier numbers.

Well, its your hard earned money. I don't think people realize the effects after 500 yards even with a 300RUM. From 500 to 525 yards is almost 1MOA change.

RE: 180 gr. load for 300 RUM
 

That is very true.We have a fun shoot every year and it is very entertaining to watch shooters try to hit clay pigeons set out at 500 meters(550 yards) based solely on ballistic calculations and tables.To date the onlyshooters that have been able to hit them consistantly are the shooters that actually checked the point of impact at 550 yards beforehand.The others just raise money for the club by paying anentry feeto try to hit them.

RE: 180 gr. load for 300 RUM
 

Im done with this thread.........when Bigcountry and stubble start agreeing on stuff.......thats when I lose interest!!!!!! Next thing you know Red sox and Yankees fans will start becoming friends. :D

RE: 180 gr. load for 300 RUM
 

What is your charge weight and O.A.L. if you don't mind? I have been trying to get this bullet to shoot and would like to hear another combo option.

RE: 180 gr. load for 300 RUM
 

I have two 300ultramag rifles that use very different charge weights.One rifle uses 88gr of r-25 and the other rifle uses 93gr of r-25 yet both rifles produce velocities within 20fps of each other. The overal cartridge length is 3.670" in both rifles.