.270 Weatherby Magnum

Test barrel: 650 mm (25½”), 1 in 12” twist
Primers: Large Rifle Magnum
Cases: Remington, trim-to length 64,30 mm (2.531”)

Bullet	6,5 g / 100 gr		Remington, PSP		C.O.L. 79,0 mm / 3.110 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N550	4,33	66.8	1037	3401	4,64	71.7	1117	3666
N160	4,60	71.0	1043	3421	4,85	74.9	1108	3634
N165	5,08	78.4	1045	3428	5,38	83.0	1115	3658
Bullet	8,5 g / 130 gr		Remington, PSPCL		C.O.L. 82,2 mm / 3.236 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N160	4,31	66.5	939	3080	4,61	71.1	1001	3284
N165	4,62	71.3	931	3055	4,93	76.0	997	3270
N560	4,71	72.7	947	3108	4,98	76.9	1004	3294
Bullet	8,7 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	4,21	65.0	903	2964	4,43	68.3	965	3167
N165	4,55	70.2	923	3029	4,70	72.5	989	3244
N560	4,61	71.2	956	3137	4,81	74.2	1013	3323
Bullet	9,7 g / 150 gr		Nosler, Partition		C.O.L. 82,5 mm / 3.248 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N165	4,34	67.0	877	2876	4,68	72.2	936	3072
N560	4,38	67.6	900	2954	4,60	71.0	955	3134
N170	4,76	73.4	886	2906	5,11	78.8	955	3134

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