.300 WSM

Test barrel: 620 mm (24½”), 1 in 10” twist
Primers: Large Rifle Magnum
Cases: Lapua, trim-to length 53,10 mm (2.091”)

Bullet	6,5 g / 100 gr		Lapua, G580 OT		C.O.L. 66,5 mm / 2.618 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	3,88	59.9	1040	3412	4,16	64.2	1108	3635
N540	3,96	61.1	1071	3514	4,20	64.8	1139	3737
N150	3,85	59.4	1037	3402	4,18	64.5	1109	3638
N550	4,20	64.8	1054	3458	4,48	69.1	1133	3717
Bullet	8,0 g / 123 gr		Lapua, FMJ		C.O.L. 69,0 mm / 2.717 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	3,64	56.2	958	3143	3,99	61.6	1023	3356
N540	3,80	58.6	985	3232	4,03	62.2	1046	3432
N150	3,65	56.3	957	3140	3,97	61.3	1022	3353
N550	4,05	62.5	995	3264	4,32	66.7	1060	3478
N555	4,38	67.6	997	3271	4,50C	69.4C	1029	3376
C – Compressed load
Bullet	9,7 g / 150 gr		Barnes, TTSX BT		C.O.L. 72,3 mm / 2.846 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	3,30	50.9	839	2753	3,65	56.3	903	2963
N540	3,40	52.5	857	2812	3,71	57.3	923	3028
N150	3,23	49.8	828	2717	3,53	54.5	884	2900
N550	3,67	56.6	870	2854	3,98	61.4	938	3077
N555	4,00	61.7	879	2884	4,30C	66.4C	937	3074
N160	3,74	57.7	848	2782	4,25C	65.6C	931	3054
C – Compressed load
Bullet	9,7 g / 150 gr		Lapua, Mega E469		C.O.L. 66,1 mm / 2.602 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N550	3,75	57.9	895	2936	4,00	61.7	957	3140
N555	4,05	62.5	907	2976	4,37C	67.4C	970	3182
N160	4,00	61.7	887	2910	4,39	67.7	952	3123
N165	4,47	69.0	918	3012	4,70C	72.5C	967	3173
N560	4,30	66.4	894	2933	4,59C	70.8C	963	3159
C – Compressed load
Bullet	10,0 g / 155 gr		Berger, VLD Hunting		C.O.L. 72,6 mm / 2.858 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N150	3,40	52.5	865	2838	3,74	57.7	924	3031
N550	3,82	59.0	898	2946	4,05	62.5	959	3146
N555	4,18	64.5	916	3005	4,46C	68.8C	972	3189
N160	4,32	66.7	903	2963	4,57	70.5	964	3163
N165	4,63	71.5	925	3035	4,70F	72.5F	943	3094
N560	4,38	67.6	902	2959	4,66C	71.9C	968	3176
C – Compressed load
Bullet	10,0 g / 155 gr		Hornady, ELD Match		C.O.L. 72,2 mm / 2.843 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	3,40	52.5	854	2802	3,75	57.9	920	3018
N540	3,49	53.9	880	2887	3,78	58.3	941	3087
N150	3,36	51.9	845	2772	3,71	57.3	904	2966
N550	3,82	59.0	891	2923	4,06	62.7	952	3123
N555	4,15	64.0	903	2963	4,40C	67.9C	956	3136
N160	4,05	62.5	880	2887	4,41C	68.1C	944	3097
C – Compressed load
Bullet	10,0 g / 155 gr		Lapua, Scenar / OTM Scenar-L		C.O.L. 72,6 mm / 2.858 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	3,35	51.7	865	2838	3,74	57.7	934	3064
N540	3,40	52.5	879	2884	3,74	57.7	943	3094
N150	3,35	51.7	857	2812	3,72	57.4	918	3012
N550	3,81	58.8	892	2927	4,06	62.7	957	3140
N555	4,14	63.9	908	2979	4,40C	67.9C	968	3176
N160	4,20	64.8	892	2927	4,48C	69.1C	959	3146
C – Compressed load
Bullet	10,1 g / 155.5 gr		Berger, Fullbore Target		C.O.L. 72,6 mm / 2.858 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N150	3,45	53.2	874	2867	3,80	58.6	933	3061
N550	3,87	59.7	900	2953	4,14	63.9	968	3176
N555	4,15	64.0	906	2972	4,45C	68.7C	969	3179
N160	4,27	65.9	897	2943	4,51C	69.6C	955	3133
N165	4,60	71.0	920	3018	4,75C	73.3C	952	3123
N560	4,40	67.9	903	2963	4,69	72.4	973	3192
C – Compressed load
Bullet	10,7 g / 165 gr		Hornady, InterLock BTSP		C.O.L. 71,2 mm / 2.803 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N150	3,30	50.9	824	2703	3,64	56.2	882	2894
N550	3,75	57.9	867	2844	4,00	61.7	924	3031
N555	4,00	61.7	867	2844	4,31C	66.5C	927	3041
N160	3,93	60.6	844	2769	4,28	66.1	909	2982
N165	4,49	69.3	887	2910	4,65C	71.8C	925	3035
N560	4,35	67.1	880	2887	4,62	71.3	943	3094
C – Compressed load
Bullet	10,7 g / 165 gr		LOS, Solid Brass Tactic		C.O.L. 72,6 mm / 2.858 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	3,14	48.5	814	2671	3,48	53.7	879	2884
N540	3,30	50.9	843	2766	3,64	56.2	904	2966
N150	3,20	49.4	822	2697	3,51	54.2	878	2881
N550	3,65	56.3	853	2799	3,94	60.8	918	3012
N555	4,03	62.2	879	2884	4,39C	67.7C	943	3094
N160	3,80	58.6	841	2759	4,31	66.5	916	3005
C – Compressed load
Bullet	10,7 g / 165 gr		Sierra, SBT		C.O.L. 72,0 mm / 2.835 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N540	3,35	51.7	854	2802	3,68	56.8	915	3002
N150	3,30	50.9	832	2730	3,59	55.4	888	2913
N550	3,75	57.9	874	2867	3,97	61.3	927	3041
N555	4,07	62.8	885	2904	4,34C	67.0C	942	3091
N160	4,05	62.5	865	2838	4,37	67.4	927	3041
N165	4,49	69.3	896	2940	4,65C	71.8C	939	3081
N560	4,23	65.3	872	2861	4,51	69.6	935	3068
C – Compressed load
Bullet	10,9 g / 167 gr		Lapua, Scenar		C.O.L. 72,1 mm / 2.839 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N550	3,63	56.0	856	2808	3,91	60.3	918	3012
N555	4,00	61.7	876	2874	4,26C	65.7C	928	3045
N160	4,05	62.5	864	2835	4,40C	67.9C	923	3028
N165	4,50	69.4	893	2930	4,70F	72.5F	941	3087
N560	4,22	65.1	863	2831	4,49	69.3	926	3038
C – Compressed load
Bullet	10,9 g / 168 gr		Barnes, TTSX BT		C.O.L. 72,6 mm / 2.858 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	3,13	48.3	786	2579	3,43	52.9	848	2782
N540	3,27	50.5	813	2667	3,60	55.6	873	2864
N150	3,10	47.8	772	2533	3,42	52.8	829	2720
N550	3,55	54.8	819	2687	3,85	59.4	886	2907
N555	3,90	60.2	845	2772	4,22	65.1	900	2953
N160	3,48	53.7	790	2592	4,09	63.1	881	2890
Bullet	10,9 g / 168 gr		Berger, Classic Hunter		C.O.L. 72,2 mm / 2.843 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N150	3,25	50.2	822	2697	3,52	54.3	874	2867
N550	3,75	57.9	867	2844	3,92	60.5	914	2999
N555	3,99	61.6	867	2844	4,30C	66.4C	929	3048
N160	3,95	61.0	842	2762	4,33	66.8	915	3002
N165	4,40	67.9	880	2887	4,67C	72.1C	935	3068
N560	4,25	65.6	872	2861	4,50C	69.4C	929	3048
C – Compressed load
Bullet	10,9 g / 168 gr		Nosler, Expansion Tip		C.O.L. 72,6 mm / 2.858 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N540	3,29	50.8	810	2657	3,59	55.4	873	2864
N150	3,05	47.1	752	2467	3,39	52.3	817	2680
N550	3,45	53.2	806	2644	3,79	58.5	876	2874
N555	3,75	57.9	829	2720	4,15	64.0	893	2930
N160	3,40	52.5	776	2546	3,98	61.4	864	2835
N560	4,15	64.0	841	2759	4,44C	68.5C	905	2969
C – Compressed load
Bullet	11,3 g / 174 gr		Hornady, ELD-VT		C.O.L. 72,6 mm / 2.858 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N540	3,30	50.9	827	2713	3,65	56.3	886	2907
N150	3,28	50.6	808	2651	3,63	56.0	864	2835
N550	3,73	57.6	848	2782	3,97	61.3	908	2979
N555	4,05	62.5	865	2838	4,37C	67.4C	923	3028
N160	3,98	61.4	845	2772	4,32C	66.7C	905	2969
N165	4,50	69.4	876	2874	4,65C	71.8C	900	2953
N560	4,30	66.4	863	2831	4,63C	71.5C	931	3054
C – Compressed load
Bullet	11,3 g / 175 gr		Berger, VLD Hunting		C.O.L. 72,6 mm / 2.858 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N150	3,20	49.4	805	2641	3,51	54.2	859	2818
N550	3,70	57.1	848	2782	3,91	60.3	902	2959
N555	3,95	61.0	850	2789	4,25C	65.6C	909	2982
N160	3,94	60.8	834	2736	4,31	66.5	898	2946
N165	4,36	67.3	859	2818	4,65C	71.8C	913	2995
N560	4,20	64.8	852	2795	4,50C	69.4C	913	2995
C – Compressed load
Bullet	11,3 g / 175 gr		Lapua, OTM Scenar-L GB550		C.O.L. 72,6 mm / 2.858 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N150	3,15	48.6	796	2612	3,41	52.6	843	2766
N550	3,55	54.8	829	2720	3,81	58.8	890	2920
N555	3,85	59.4	848	2782	4,14	63.9	906	2972
N160	3,82	59.0	832	2730	4,12	63.6	892	2927
N165	4,28	66.1	857	2812	4,60F	71.0F	914	2999
N560	4,12	63.6	846	2776	4,39	67.7	908	2979
F – Case full
Bullet	11,3 g / 175 gr		Sako, Blade 659A		C.O.L. 72,6 mm / 2.858 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N550	3,20	49.4	768	2520	3,60	55.6	842	2762
N555	3,45	53.2	781	2562	3,95	61.0	853	2799
N160	3,18	49.1	727	2385	3,58	55.2	807	2648
N165	3,70	57.1	782	2566	4,27C	65.9C	867	2844
N560	3,82	59.0	800	2625	4,16	64.2	873	2864
N565	4,15	64.0	818	2684	4,50C	69.4C	863	2831
C – Compressed load
Bullet	11,3 g / 175 gr		Sierra, HPBT		C.O.L. 72,5 mm / 2.854 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N150	3,20	49.4	805	2641	3,50	54.0	857	2812
N550	3,65	56.3	843	2766	3,92	60.5	904	2966
N555	3,94	60.8	853	2799	4,26	65.7	915	3002
N160	3,90	60.2	833	2733	4,24	65.4	894	2933
N165	4,30	66.4	859	2818	4,60C	71.0C	919	3015
N560	4,17	64.4	850	2789	4,44	68.5	913	2995
C – Compressed load
Bullet	11,5 g / 178 gr		Hornady, ELD Match		C.O.L. 72,0 mm / 2.835 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N150	3,15	48.6	783	2569	3,46	53.4	838	2749
N550	3,60	55.6	819	2687	3,85	59.4	882	2894
N555	3,85	59.4	835	2740	4,17C	64.4C	894	2933
N160	3,61	55.7	796	2612	4,03	62.2	865	2838
N165	4,30	66.4	844	2769	4,50F	69.4F	881	2890
N560	4,19	64.7	846	2776	4,51C	69.6C	912	2992
C – Compressed load
Bullet	11,7 g / 180 gr		Barnes, TTSX BT		C.O.L. 72,3 mm / 2.846 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N540	3,13	48.3	781	2562	3,46	53.4	843	2766
N150	3,02	46.6	753	2470	3,30	50.9	809	2654
N550	3,41	52.6	777	2549	3,72	57.4	841	2759
N555	3,60	55.6	787	2582	4,03C	62.2C	853	2799
N160	3,10	47.8	715	2346	3,70	57.1	806	2644
N560	4,00	61.7	819	2687	4,34C	67.0C	882	2894
C – Compressed load
Bullet	12,0 g / 185 gr		Berger, Juggernaut Target		C.O.L. 72,6 mm / 2.858 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N150	3,20	49.4	786	2579	3,45	53.2	830	2723
N550	3,65	56.3	820	2690	3,90	60.2	879	2884
N555	3,88	59.9	823	2700	4,20C	64.8C	885	2904
N160	3,83	59.1	800	2625	4,20	64.8	864	2835
N165	4,30	66.4	838	2749	4,63F	71.5F	894	2933
N560	4,15	64.0	832	2730	4,47	69.0	899	2949
C – Compressed load
Bullet	12,0 g / 185 gr		Lapua, OTM Scenar		C.O.L. 72,0 mm / 2.835 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N550	3,45	53.2	799	2621	3,75	57.9	856	2808
N555	3,75	57.9	815	2674	4,00	61.7	860	2822
N160	3,65	56.3	792	2598	4,00	61.7	855	2805
N165	4,05	62.5	814	2671	4,41	68.1	876	2874
N560	4,05	62.5	822	2697	4,30	66.4	879	2884
N565	4,20	64.8	818	2684	4,47C	69.0C	870	2854
C – Compressed load
Bullet	12,3 g / 190 gr		Sierra, HPBT		C.O.L. 72,5 mm / 2.854 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N150	3,15	48.6	778	2552	3,34	51.5	813	2667
N550	3,55	54.8	807	2648	3,80	58.6	861	2825
N555	3,70	57.1	799	2621	4,10C	63.3C	869	2851
N160	3,65	56.3	782	2566	4,00	61.7	843	2766
N165	4,10	63.3	815	2674	4,48C	69.1C	878	2881
N560	4,04	62.3	819	2687	4,32	66.7	879	2884
C – Compressed load
Bullet	12,6 g / 195 gr		Hornady, ELD Match		C.O.L. 72,6 mm / 2.858 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N150	3,12	48.1	762	2500	3,41	52.6	811	2661
N550	3,55	54.8	796	2612	3,83	59.1	854	2802
N555	3,85	59.4	808	2651	4,14	63.9	862	2828
N160	3,76	58.0	780	2559	4,17	64.4	847	2779
N165	4,30	66.4	825	2707	4,50F	69.4F	860	2822
N560	4,10	63.3	815	2674	4,42C	68.2C	878	2881

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