Reloading the .270 Win

[35 Whelen]

Got a buddy that is a 270 fanatic and reloads lots of different stuff for them. He mostly shoots 130/140gr stuff from his guns. He swears by RL22 for this caliber and just has two loads to cover the bullet weights he shoots.
He claims in his gun he gets 3100fps with 60grs with 140gr bullets
3200fps with 62grs with 130gr bullets
He is shooting an old Rem 700 with 24"barrel and speaks of 1/2" groups with those loads at 100yds.

I have used 4350 for years but am going to purchase some RL22 in the future and try these loads in my Hawkeye and see how it performs.

 

[SJB358]

Got a buddy that is a 270 fanatic and reloads lots of different stuff for them. He mostly shoots 130/140gr stuff from his guns. He swears by RL22 for this caliber and just has two loads to cover the bullet weights he shoots.
He claims in his gun he gets 3100fps with 60grs with 140gr bullets
3200fps with 62grs with 130gr bullets
He is shooting an old Rem 700 with 24"barrel and speaks of 1/2" groups with those loads at 100yds.

I have used 4350 for years but am going to purchase some RL22 in the future and try these loads in my Hawkeye and see how it performs.

Earle, I think you would like RL22.. It is a go to powder for me, works really well in the 25-06 with the heavier bullets and also with the 338 Win Mag with the 250 and heavier bullets. I haven't found a better powder, yet for the 270WSM or 7mm WSM /RM either. It has the ability to really put some spring in a 270 Win. 7828 would also be another that really runs well.

Cartridge : .270 Win. (SAAMI)
Bullet : .277, 130, Nosler BalTip 27130
Useable Case Capaci: 60.846 grain H2O = 3.951 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Alliant Reloder-22

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-10.0 98 55.80 2814 2286 44675 12598 93.0 1.200
-09.0 99 56.42 2849 2343 46312 12765 93.7 1.180
-08.0 101 57.04 2885 2402 48018 12928 94.2 1.160
-07.0 102 57.66 2920 2461 49791 13086 94.8 1.140
-06.0 103 58.28 2956 2522 51639 13238 95.3 1.121
-05.0 104 58.90 2991 2583 53562 13385 95.9 1.102
-04.0 105 59.52 3027 2645 55568 13526 96.3 1.084 ! Near Maximum !
-03.0 106 60.14 3063 2708 57657 13661 96.8 1.065 ! Near Maximum !
-02.0 107 60.76 3098 2771 59835 13790 97.2 1.048 ! Near Maximum !
-01.0 108 61.38 3134 2836 62106 13912 97.6 1.030 ! Near Maximum !
+00.0 109 62.00 3170 2901 64478 14027 98.0 1.013 !DANGEROUS LOAD-DO NOT USE!
+01.0 110 62.62 3206 2967 66955 14136 98.3 0.996 !DANGEROUS LOAD-DO NOT USE!
+02.0 112 63.24 3242 3033 69540 14237 98.6 0.979 !DANGEROUS LOAD-DO NOT USE!
+03.0 113 63.86 3277 3101 72231 14331 98.9 0.962 !DANGEROUS LOAD-DO NOT USE!
+04.0 114 64.48 3313 3169 75031 14417 99.2 0.946 !DANGEROUS LOAD-DO NOT USE!
+05.0 115 65.10 3349 3238 77953 14495 99.4 0.930 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 109 62.00 3338 3215 79039 13761 100.0 0.930 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 109 62.00 2944 2501 51368 13445 91.0 1.119


Cartridge : .270 Win. (SAAMI)
Bullet : .277, 140, Nosler BalTip 27140
Useable Case Capaci: 59.609 grain H2O = 3.870 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Alliant Reloder-22

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-10.0 97 53.99 2722 2304 44659 12445 94.0 1.239
-09.0 98 54.59 2756 2361 46275 12603 94.6 1.219
-08.0 99 55.19 2789 2419 47952 12757 95.1 1.198
-07.0 100 55.79 2823 2478 49698 12906 95.7 1.178
-06.0 102 56.39 2857 2537 51514 13050 96.1 1.159
-05.0 103 56.99 2890 2597 53404 13188 96.6 1.140
-04.0 104 57.59 2924 2658 55370 13321 97.0 1.121 ! Near Maximum !
-03.0 105 58.19 2958 2720 57417 13448 97.4 1.102 ! Near Maximum !
-02.0 106 58.79 2992 2782 59553 13568 97.8 1.084 ! Near Maximum !
-01.0 107 59.39 3025 2845 61774 13682 98.2 1.066 ! Near Maximum !
+00.0 108 59.99 3059 2909 64092 13790 98.5 1.049 ! Near Maximum !
+01.0 109 60.59 3093 2974 66497 13891 98.8 1.031 !DANGEROUS LOAD-DO NOT USE!
+02.0 110 61.19 3127 3039 68994 13985 99.0 1.014 !DANGEROUS LOAD-DO NOT USE!
+03.0 111 61.79 3160 3105 71593 14071 99.3 0.998 !DANGEROUS LOAD-DO NOT USE!
+04.0 112 62.39 3194 3171 74300 14151 99.5 0.981 !DANGEROUS LOAD-DO NOT USE!
+05.0 113 62.99 3228 3239 77123 14222 99.6 0.965 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 108 59.99 3214 3212 78355 13446 100.0 0.965 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 108 59.99 2847 2519 51018 13314 92.0 1.158


Cartridge : .270 Win. (SAAMI)
Bullet : .277, 150, Nosler BalTip 27150
Useable Case Capaci: 58.786 grain H2O = 3.817 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Alliant Reloder-22

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-10.0 96 52.76 2653 2344 45353 12393 95.2 1.268
-09.0 97 53.34 2685 2401 46981 12543 95.7 1.248
-08.0 98 53.93 2717 2458 48671 12687 96.2 1.227
-07.0 100 54.52 2749 2517 50428 12827 96.6 1.207
-06.0 101 55.10 2781 2576 52255 12961 97.1 1.187
-05.0 102 55.69 2813 2635 54154 13089 97.5 1.168
-04.0 103 56.28 2845 2696 56126 13212 97.8 1.149 ! Near Maximum !
-03.0 104 56.86 2877 2757 58185 13329 98.2 1.130 ! Near Maximum !
-02.0 105 57.45 2909 2819 60317 13440 98.5 1.111 ! Near Maximum !
-01.0 106 58.03 2941 2881 62525 13544 98.8 1.093 ! Near Maximum !
+00.0 107 58.62 2973 2944 64816 13642 99.0 1.076 !DANGEROUS LOAD-DO NOT USE!
+01.0 108 59.21 3005 3008 67197 13733 99.3 1.058 !DANGEROUS LOAD-DO NOT USE!
+02.0 109 59.79 3037 3072 69673 13817 99.5 1.041 !DANGEROUS LOAD-DO NOT USE!
+03.0 110 60.38 3069 3137 72249 13893 99.6 1.024 !DANGEROUS LOAD-DO NOT USE!
+04.0 111 60.96 3101 3202 74931 13963 99.8 1.008 !DANGEROUS LOAD-DO NOT USE!
+05.0 112 61.55 3133 3268 77722 14025 99.9 0.992 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 107 58.62 3115 3233 78999 13214 100.0 0.991 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 107 58.62 2774 2563 51560 13299 93.3 1.187

 

[35 Whelen]

Thanks for postin that Scotty and funny
They show 62grs as an overload etc,
He has no preasure at all in his gun with 62grs
Behind a 130 SST
I definately need to try some rl22 and some
Varget

 

[SJB358]

At 64k it is probably fine. It's gives some margin for faster or slower lots though. I wouldn't be scared of 62 if it shot well and brass held up well.

 

[bobnob]

Keep the loads coming I am going to need them soon, a 270 Win is next on the list to buy I have bought some 160 gr Partitions and have some 150 gr ABLR's and 150 gr Deep Curl's on order, I want to bust a moose in the worst way with those 160 gr PT's. I am going to get a gun that will be for both my wife and I to use once the gets her hunter training if she want's to hunt then we will see about getting another gun. Any ideas on some practice loads? I thought about running a 130 gr bullet with Varget, IMR 8208 or H 4895, the charges and speeds are a dead ringer for the 260 Rem which she has shot before and had no trouble with the recoil unless you have a better suggestion. A load like that would be great for a lot of hunting as is.

Gerry, if it assists you I can offer some loads that are interchangeable in my 24 inch bolt action 270 Win:

For the big stuff, I have the 160g Partition over 58.5g of H4831 and a standard primer. 2820fps.

For pigs and deer and goats, the 150g SST over 59.0g of H4831 again with a std primer. 2950fps.

Both these loads shoot to the identical point of aim, so there's no mucking around with the scope. I also found 61.0g of H4831 with a 130g Hot Cor shot to the same point so there's a lighter option as well. This load is doing around 3030fps.

A couple of points of course: While these loads all shoot to the same point in my rifle you won't know if they'll do the same for you unless you try them, but I hope they work for you. Also, I believe my barrel is a fraction on the "loose" side so it takes a little more powder than a lot of other 270 Winchesters. You might find a couple less grains than what I have listed will get you to the same velocities.

I have shot a 9 round group comprising 3 of each of the above loads and all nine shots went into 40mm at 100 metres, so I have most 270 fare covered without shifting zero.

FWIW I have found the 150g SST to be a great all round bullet in the 270 Win. Driven at 2900fps+ it shoots nice and flat, my rifle shoots them sub-moa and while they expand quickly they are heavy enough to penetrate deep on deer and heavy pigs. They do tear up a lot of meat though. I have similarly good things to say about the 150g BT, but they seem to cost a fair bit more than the SST here.

I hope the above has been of some help Gerry, or to someone else of course.

 

[gerry]

Thanks Bob, I will bookmark this thread for later on, there may be a good 270 Win up for sale this summer to try them in. I have a bunch of 270 Win components here with more on order and some H 4831sc powder among others, you have a great combo with the 150 gr SST and 160 gr Partitions, I hope for something similar when it comes time. You have a lot of good things to add to this site and hope you stick around for a while

 

[bobnob]

Thanks!