.270 Winchester

Test barrel: 620 mm (24½”), 1 in 10” twist
Primers: Large Rifle
Cases: Remington, trim-to length 64,30 mm (2.531”)

Bullet Powder Starting load Maximum load
Weight Type Mfg C.O.L Type Weight Velocity Weight Velocity
[g] [grs]     [mm] [in.]   [g] [grs] [m/s] [fps] [g] [grs] [m/s] [fps]
6,5 100 Spitzer Speer 80,0 3.150 N150 2,88 44.5 898 2945 3,42 52.8 998 3273
            N160 3,80 58.6 953 3127 4,27C 65.8C 1057 3468
            N165 4,00 61.7 966 3170 4,53C 69.9C 1070 3509
7,5 115 Match King Sierra 83,5 3.287 N150 2,56 39.5 833 2733 2,94 45.4 924 3031
            N550 2,87 44.3 871 2858 3,18 49.1 954 3130
            N160 2,98 46.0 844 2769 3,54 54.6 958 3143
8,4 130 SP Remington 82,0 3.228 N160 3,34 51.5 847 2779 3,76 58.0 940 3083
            N560 3,64 56.2 876 2873 3,97 61.3 955 3132
8,4 130 SPBT Speer 83,0 3.268 N165 3,54 54.6 850 2787 4,02 62.0 942 3089
8,8 135 HPBT Sierra 83,0 3.268 N160 2,90 44.8 822 2697 3,66 56.5 929 3048
            N560 3,62 55.9 876 2874 3,91 60.3 957 3140
            N165 3,65 56.3 844 2769 3,90 60.2 927 3041
9,1 140 A-Frame Swift 82,0 3.228 N550 2,63 40.6 758 2487 3,08 47.5 859 2818
            N165 3,05 47.1 790 2592 3,59 55.4 867 2844
            N560 3,12 48.1 789 2589 3,60 55.6 888 2913
9,1 140 TSX Barnes 81,5 3.209 N550 2,44 37.7 737 2418 3,01 46.5 860 2822
            N165 2,90 44.8 772 2533 3,42 52.8 862 2828
            N560 3,12 48.1 798 2618 3,48 53.7 882 2894
9,7 150 Ballistic Tip Nosler 83,5 3.287 N160 2,92 45.1 730 2395 3,39 52.3 842 2762
            N165 3,10 47.8 734 2408 3,74 57.7 870 2854
            N560 3,13 48.3 742 2434 3,66 56.5 870 2854
9,7 150 TSX Barnes 82,0 3.228 N550 2,44 37.7 712 2336 2,93 45.2 821 2694
            N165 2,71 41.8 713 2339 3,27 50.5 819 2687
            N560 2,90 44.8 746 2448 3,36 51.9 847 2779
10,4 160 Partition Nosler 84,6 3.331 N160 2,50 38.6 699 2293 2,89 44.6 781 2562
            N165 2,88 44.4 735 2411 3,31 51.1 811 2661
            N560 3,01 46.5 745 2444 3,42 52.8 847 2779

C = Compressed load
LIGHT GREY TEXT BOX INDICATES MAXIMUM LOAD - USE WITH CAUTION!
LOADS LESS THAN MINIMUM CHARGES SHOWN ARE NOT RECOMMENDED