Have some 105s on the way for my Stevens 200 243 w/1-9 1/4" twist which Hornady recommends. I have the 85 gr. Partitions shooting fine with H4350 but want a bullet for a windy Montana antelope hunt. I'm sure I'll need a slow powder and have RL 22 and 4831 on hand. Any ideas?

RL 17 is what I'm using in a 243. I get 3075 with good accuracy with both hornady 105s. They shot better with a slight jump in that vanguard. Lapua brass and win LR primers.

H1000 and Retumbo would be worth trying

Yep

The .243 and 105 A-Max's are a fun combo! I'd also recommend giving Retumbo a try:

I miss the old 105 grain Speers...

but I have like 3 boxes.. so that is a lifetime supply for my needs...

I'm very interested in this also. Right now I'm working on ladder test with Winchester Supreme 780. Started at 44gr. And worked my way up to 48.5gr. In .5gr steps. At 350 yards 46.5gr to 48.5 showed only 2" of vertical. Where .5gr difference was jumping around 4" on loads below 46gr. I just loaded up 16 more in .2gr steps so another trip to the range is in order. I still need to pick up a chrono but the speed seems to be there. Max load of 780 was hitting quite a bit higher than Nosler's factory 85gr. Partition load at a stated 3250 fps.

'17 and '22 both work but '22's load density give me better es and accuracy.

Blood, what's your difference in speed between '17 and '22?

I might have to try some H-1000 with this combo as well.

Retumbo and the mag primer of your choice. My load did 3030fps out of a 24" tube.

Probably 40-50fps favoring '17 but '22 gets the accuracy nod.

I just picked up a couple boxes of 105s also. I got some A-Maxs and some Speer Hot Core 105s and Speer SPs.
I was thinking of just sticking with my H4350. what has been your experience with 4350 & 105s?

Excellent results with IMR4350 and the 105AM in my .243...

What is your load bud?

Fotis,
41.0gr of 17, always work up.

Thank yoU!

I wanna give the 105 AMax's a run in my son's 243. I think it would be a super load to let him stretch it out some and probably shoot just as well as the 7mm Mag's.. I have seen the 105AM shoot some incredible groups at 600.

90 grain Speer Hot Cor left next to 105 Amax. Long bullet there.

47.5 H1000 and cci 250's work for me.

Bb

Here is what QL predicts with a 22" barrel.. I am looking forward to trying them in my son's 243.

Cartridge : .243 Win.
Bullet : .243, 105, Hornady A-MAX 24562
Useable Case Capaci: 48.038 grain H2O = 3.119 cm�
Cartridge O.A.L. L6: 2.710 inch = 68.83 mm
Barrel Length : 22.0 inch = 558.8 mm

Predicted Data for Indicated Charges of the Following Powders.
Matching Maximum Pressure: 62000 psi, or 427 MPa
or a maximum loading ratio or filling of 110 %
These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !

158 loads produced a Loading Ratio below user-defined minimum of 90%. These powders have been skipped.
Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
Alliant Reloder-25 109.4 48.2 3.12 3035 100.0 62000 12640 1.102 ! Near Maximum !
Norma MRP 101.4 46.9 3.04 3033 99.8 62000 13143 1.112 ! Near Maximum !
Vihtavuori N560 103.2 46.7 3.02 3026 97.8 62000 13417 1.106 ! Near Maximum !
Ramshot Magnum 105.5 50.0 3.24 3023 98.6 62000 13173 1.100 ! Near Maximum !
PB Clermont PCL 517 105.9 50.0 3.24 3022 98.6 62000 13161 1.100 ! Near Maximum !
SNPE Vectan SP 12 105.7 50.0 3.24 3022 98.7 62000 13141 1.100 ! Near Maximum !
IMR 7828 SSC 101.9 46.3 3.00 3016 98.2 62000 13013 1.096 ! Near Maximum !
IMR 7828 107.7 46.3 3.00 3016 98.2 62000 13013 1.096 ! Near Maximum !
Accurate MAGPRO 103.4 48.7 3.15 3012 96.5 62000 13439 1.114 ! Near Maximum !
Alliant Reloder-22 103.4 46.3 3.00 3005 99.1 62000 12934 1.112 ! Near Maximum !
Bofors RP5/NP ~approximation 103.4 46.3 3.00 3005 99.1 62000 12934 1.112 ! Near Maximum !
Raufoss RA15 103.4 46.3 3.00 3005 99.1 62000 12934 1.112 ! Near Maximum !
Winchester WXR 106.2 46.5 3.01 3003 99.0 62000 12942 1.112 ! Near Maximum !
ADI AR 2213 102.8 46.0 2.98 3002 98.1 62000 12881 1.095 ! Near Maximum !
ADI AP 2214 106.6 49.0 3.18 2990 98.3 62000 12685 1.095 ! Near Maximum !
Alliant Reloder 33 110.0 53.5 3.47 2985 94.3 57651 14079 1.143 ! Near Maximum !
Vihtavuori N570 110.0 51.4 3.33 2984 93.2 56603 14233 1.150 ! Near Maximum !
Norma MRP 2 110.0 48.7 3.16 2977 98.1 58218 13294 1.146 ! Near Maximum !
Rottweil R905 104.6 46.0 2.98 2971 97.7 62000 12596 1.112 ! Near Maximum !
ADI AR 2209 99.7 43.9 2.85 2969 98.9 62000 12287 1.100 ! Near Maximum !
Alliant Reloder-19 100.2 44.4 2.88 2965 99.0 62000 12343 1.108 ! Near Maximum !
Bofors RP5 NT ~approximation 106.4 48.0 3.11 2962 96.2 62000 12629 1.100 ! Near Maximum !
Hodgdon H414 90.5 42.4 2.75 2961 99.7 62000 12047 1.115 ! Near Maximum !
Winchester 760 90.5 42.4 2.75 2961 99.7 62000 12047 1.115 ! Near Maximum !
Ramshot Hunter 95.8 43.8 2.84 2960 100.0 62000 11977 1.115 ! Near Maximum !
Bofors RP14 ~approximation 101.0 44.7 2.90 2958 98.9 62000 12250 1.109 ! Near Maximum !
Somchem S365 97.4 42.9 2.78 2949 100.0 62000 11146 1.125 ! Near Maximum !
Norma 204 95.1 43.5 2.82 2944 98.8 62000 12041 1.108 ! Near Maximum !
Bofors RP4 ~approximation 98.2 43.5 2.82 2944 98.8 62000 12041 1.108 ! Near Maximum !
Raufoss RA4 98.2 43.5 2.82 2944 98.8 62000 12041 1.108 ! Near Maximum !
Norma URP 95.4 41.8 2.71 2943 100.0 62000 11498 1.119 ! Near Maximum !
Bofors RP19 ~approximation 95.4 41.8 2.71 2943 100.0 62000 11495 1.119 ! Near Maximum !
Vihtavuori N550 92.7 41.9 2.72 2943 100.0 62000 11627 1.123 ! Near Maximum !
Hodgdon H4831 105.5 45.4 2.94 2938 97.4 62000 12136 1.106 ! Near Maximum !
Hodgdon H4831 SC 101.4 45.4 2.94 2938 97.4 62000 12136 1.106 ! Near Maximum !
Accurate 4350 98.9 41.9 2.71 2938 100.0 62000 11473 1.137 ! Near Maximum !
Somchem S385 100.4 44.9 2.91 2928 99.5 62000 11806 1.128 ! Near Maximum !
IMR 4831 100.1 42.4 2.75 2924 100.0 62000 11246 1.129 ! Near Maximum !
Bofors RP4 NT ~approximation 95.9 43.1 2.79 2921 99.6 62000 11622 1.120 ! Near Maximum !
Hodgdon H1000 110.0 48.2 3.12 2921 97.6 57634 12471 1.132 ! Near Maximum !
Winchester Supreme 780 98.8 46.1 2.99 2917 98.9 62000 11703 1.114 ! Near Maximum !
Rottweil R904 99.1 43.3 2.80 2916 98.0 62000 11744 1.109 ! Near Maximum !
Lovex S071 109.5 45.8 2.97 2914 100.0 62000 11474 1.143 ! Near Maximum !
Accurate 3100 109.5 45.8 2.97 2914 100.0 62000 11474 1.143 ! Near Maximum !
Vihtavuori N165 105.6 46.3 3.00 2911 99.3 62000 11513 1.119 ! Near Maximum !
Lovex S070 95.2 41.7 2.70 2909 99.8 62000 11448 1.126 ! Near Maximum !
Hodgdon H4350 97.8 42.4 2.75 2909 99.4 62000 11417 1.111 ! Near Maximum !
IMR 4350 96.0 42.3 2.74 2908 99.5 62000 11396 1.111 ! Near Maximum !
Bofors RP7 NT ~approximation 90.3 40.3 2.61 2906 99.8 62000 11130 1.098 ! Near Maximum !
Hodgdon Hybrid 100V 97.9 41.9 2.72 2902 100.0 62000 10615 1.120 ! Near Maximum !
Vihtavuori N160 105.7 44.9 2.91 2897 98.0 62000 11509 1.113 ! Near Maximum !
Rottweil R907 93.1 40.5 2.62 2893 99.4 62000 11288 1.118 ! Near Maximum !
IMR 4007 SSC 90.2 40.5 2.62 2893 99.4 62000 11280 1.118 ! Near Maximum !
Lovex S065 94.1 40.8 2.64 2888 100.0 62000 11032 1.125 ! Near Maximum !
Rottweil R903 90.4 39.6 2.57 2888 100.0 62000 10637 1.136 ! Near Maximum !
Somchem S355 90.7 39.3 2.55 2886 100.0 62000 10650 1.129 ! Near Maximum !
Bofors RP3 NT ~approximation 91.9 40.4 2.62 2883 100.0 62000 10831 1.109 ! Near Maximum !
Somchem S361 98.0 46.2 2.99 2880 97.4 62000 11465 1.122 ! Near Maximum !
IMR 4064 90.3 37.8 2.45 2875 100.0 62000 10448 1.113 ! Near Maximum !
Hodgdon Retumbo 110.0 49.0 3.17 2863 99.0 50211 12976 1.211

Not many people do with a B.C. of .207, when the A-Max has a B.C. of .500

How well would this 105 AMax do on Mountain Goat? My buddy drew one of the two tags in the Bitteroot Valley and will be taking my 243 out west for me on his retun from beautiful NJ. He has been scouting and thinks the shot will be over 300 yds. I think I just answered my question.

Let me know if he needs more. I've got at least 1box of 50 and no .243.

I think that my Stevens 200 has decided it likes 43 grains of ramshot hunter for about 2950 fps. Retumbo gets me more speed but doesn't group as tight.

Man, I will have to check out some Hunter and I still have a bit of Retumbo left for the 243 as well. Might have to pick up some 105's when I get home.

Finally got to the range and chronied some 105s w/H4831 SC, Hornady cases, CCI 200s and got a five shot average of 3123 fps with a flattend primers but no hard bolt lift or other signs on the cases. 22" barrel. Didn't shoot for accuracy as I had 2 emergency plumbing calls as soon as I set up on the bench and had to leave. Typical.

Man, that is SCREAMING! Wow.. I will have to put H4831 on the list of powders to try with the 105.

I just did the Hornady Ballistics Calculator and this little gun is a cannon, 1153 Ft. lbs at 500 yds is amazing. I was shocked at the speeds I got.

Anyone have experience with 105 AMaxs and whitetails??

Thinking this load of H4831 at 3123fps w/105s is a bit hot as even tho I had no issues with a sticky bolt, the primers are flat, and 2 out of ten cases had ejector marks, and the cases stretched .005 at the web. These loads are 123 fps faster than the new Hornady manual. Any thoughts, I have 6 weeks till take off to my buddie's cabin in Hamilton MT. so I have time to test.

I would really give Retumbo a try. Start around 46-47gr and run a mag primer. It kicked ass when I used that combo.

Local shop has some on the shelf. I'll give it a try, thanx.

i think you'll be pleased with what you see. It seems a little goofy, I know, but the results I saw weren't at all. Good speed (3030fps, 24" barrel), and nice consistency on the chrony. It was fun, no doubt.

I'll throw a few thru the chronie and see what the 22" will do this week.

41.5gr of IMR4350 shoots lights out in my rifle, and would be worth working up to.

Sunday morning humor thanks to shefire.

who pissed in your corn flakes this morning?

you dig up a 3 year old post, just to post this?

Slow day at church.... you that bored....and you were done choking your chicken and still had time on your hands...

and I STILL like 105 grain Speers.... and don't need a BC of .500 to take a damned blacktail at 200 yds or under...

GFY and have a good day doing so...

Sheesh...what a putz..

Must be a man crush thing

I have been shooting 105berger hybrids for over a year. Using 41 grains of h 4350. Chronos at 2950, and shoots extremely tight. A good 105 bullet would work fine on the goat hunt mentioned above. I've killed lots of critters from Deer to coyotes to antelope with mine.