.223 WSSM

Test barrel: 640 mm (25”), 1 in 8” twist
Primers: Large Rifle
Cases: Winchester, trim-to length 42,20 mm (1.661”)

Bullet	3,3 g / 51 gr		Lapua, HPCE		C.O.L. 54,6 mm / 2.150 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N530	2,22	34.3	1055	3461	2,59	40.0	1205	3953
N135	2,10	32.4	1011	3317	2,61	40.3	1180	3871
N140	2,49	38.4	1074	3524	2,83	43.7	1183	3881
Bullet	3,6 g / 55 gr		Lapua, Soft Point		C.O.L. 54,5 mm / 2.146 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N530	2,14	33.0	1009	3310	2,48	38.3	1147	3763
N135	2,09	32.3	1001	3284	2,49	38.4	1119	3671
N140	2,24	34.6	996	3268	2,68	41.4	1140	3740
Bullet	4,5 g / 69 gr		Lapua, Scenar		C.O.L. 56,7 mm / 2.232 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	2,29	35.3	933	3061	2,61	40.3	1030	3379
N540	2,35	36.3	960	3150	2,68	41.4	1077	3533
N150	2,33	36.0	947	3107	2,61	40.3	1048	3438
N550	2,48	38.3	972	3189	2,84	43.8	1078	3537

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