.300 Weatherby Magnum

Test barrel: 660 mm (26”), 1 in 10” twist
Primers: Large Rifle Magnum
Cases: Weatherby, trim-to length 71,50 mm (2.815”)

Bullet	8,1 g / 125 gr		Nosler, Ballistic Tip		C.O.L. 90,0 mm / 3.543 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N160	5,19	80.2	1046	3430	5,52	85.2	1104	3623
Bullet	9,7 g / 150 gr		Nosler, Ballistic Tip		C.O.L. 90,1 mm / 3.547 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N160	4,88	75.2	945	3102	5,22	80.6	1003	3291
N165	5,27	81.3	949	3113	5,59	86.3	1019	3343
Bullet	10,7 g / 165 gr		Speer, SPBT		C.O.L. 90,3 mm / 3.555 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N160	4,85	74.8	923	3028	5,16	79.6	975	3200
N165	5,24	80.9	932	3057	5,57	85.9	984	3228
Bullet	11,7 g / 180 gr		Hornady, SP		C.O.L. 90,3 mm / 3.555 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N160	4,66	71.9	875	2872	5,01	77.3	930	3050
N165	5,04	77.7	888	2912	5,43	83.8	944	3098
Bullet	13,0 g / 200 gr		Sierra, HPBT		C.O.L. 90,3 mm / 3.555 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N165	4,39	67.7	795	2609	4,87	75.1	858	2814
N560	4,47	69.0	821	2694	4,81	74.2	872	2862
N170	4,44	68.5	781	2562	5,11	78.9	859	2817

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