.270 Winchester

Test barrel: 620 mm (24⅜”), 1 in 10” twist
Primers: Large Rifle
Cases: Remington, trim-to length 64,30 mm (2.531”)

Bullet	6,5 g / 100 gr		Speer, Spitzer		C.O.L. 80,0 mm / 3.150 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
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
C – Compressed load
Bullet	7,5 g / 115 gr		Sierra, MatchKing		C.O.L. 83,5 mm / 3.287 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
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
Bullet	8,4 g / 130 gr		Remington, SP		C.O.L. 82,0 mm / 3.228 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
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
Bullet	8,4 g / 130 gr		Rhino, Solid Shank		C.O.L. 83,0 mm / 3.268 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N555	3,30	50.9	873	2864	3,53	54.5	930	3051
N160	3,20	49.4	833	2733	3,52	54.3	905	2969
N165	3,60	55.6	873	2864	3,83	59.1	932	3058
N560	3,40	52.5	852	2795	3,67	56.6	924	3031
Bullet	8,4 g / 130 gr		Speer, SPBT		C.O.L. 83,0 mm / 3.268 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N165	3,54	54.6	850	2787	4,02	62.0	942	3089
Bullet	8,4 g / 130 gr		Swift, Scirocco II		C.O.L. 84,6 mm / 3.331 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N555	3,26	50.3	874	2867	3,53	54.5	940	3084
N160	2,95	45.5	818	2684	3,51	54.2	912	2992
N165	3,50	54.0	876	2874	3,90C	60.2C	951	3120
N560	3,50	54.0	863	2831	3,82C	59.0C	946	3104
N565	3,60	55.6	863	2831	3,92C	60.5C	935	3068
C – Compressed load
Bullet	8,8 g / 135 gr		Sierra, HPBT		C.O.L. 83,0 mm / 3.268 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N160	2,90	44.8	822	2697	3,66	56.5	929	3048
N165	3,65	56.3	844	2769	3,90	60.2	927	3041
N560	3,62	55.9	876	2874	3,91	60.3	957	3140
Bullet	9,1 g / 140 gr		Barnes, TSX		C.O.L. 81,5 mm / 3.209 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
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
Bullet	9,1 g / 140 gr		Rhino, Solid Shank		C.O.L. 83,0 mm / 3.268 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N160	3,05	47.1	792	2598	3,42	52.8	873	2864
N165	3,40	52.5	823	2700	3,68	56.8	893	2930
N560	3,25	50.2	813	2667	3,56	54.9	893	2930
Bullet	9,1 g / 140 gr		Swift, A-Frame		C.O.L. 82,0 mm / 3.228 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
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
Bullet	9,7 g / 150 gr		Barnes, TSX		C.O.L. 82,0 mm / 3.228 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
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
Bullet	9,7 g / 150 gr		Nosler, Ballistic Tip		C.O.L. 83,5 mm / 3.287 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
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
Bullet	9,7 g / 150 gr		Swift, A-Frame		C.O.L. 84,6 mm / 3.331 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N555	2,90	44.8	786	2579	3,26	50.3	857	2812
N160	2,75	42.4	745	2444	3,10	47.8	817	2680
N165	3,10	47.8	786	2579	3,59	55.4	864	2835
N560	3,20	49.4	795	2608	3,59	55.4	880	2887
N565	3,30	50.9	801	2628	3,65	56.3	871	2858
Bullet	10,4 g / 160 gr		Nosler, Partition		C.O.L. 84,6 mm / 3.331 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
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

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