.300 Remington Ultra Magnum

Test barrel: 660 mm (26”), 1 in 10” twist
Primers: Large Rifle Magnum
Cases: Remington, trim-to length 72,10 mm (2.839”)

CAUTION: Loads less than the listed starting loads may cause excessive chamber pressure and must not be used!


Bullet	10,0 g / 155 gr		Lapua, Scenar / OTM Scenar-L		C.O.L. 89,5 mm / 3.524 inch

Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
Type	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N160	5,29	81.6	957	3140	5,80	89.5	1044	3425
N165	5,60	86.4	952	3123	6,19	95.5	1052	3451
N560	5,60	86.4	865	2838	6,09	94.0	1067	3501

Bullet	10,7 g / 165 gr		Nosler, Partition		C.O.L. 89,5 mm / 3.524 inch

Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
Type	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N160	4,97	76.7	896	2940	5,64	87.0	980	3214
N165	5,57	85.9	919	3015	6,12	94.4	1009	3311
N560	5,39	83.2	902	2959	6,13	94.5	1027	3371

Bullet	10,9 g / 167 gr		Lapua, OTM Scenar		C.O.L. 90,0 mm / 3.543 inch

Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
Type	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N165	5,05	77.9	882	2894	6,10	94.1	1007	3304
N560	5,29	81.6	925	3035	5,95	91.8	1029	3376
N170	5,37	82.9	895	2936	6,48	100.0	1011	3317

Bullet	11,0 g / 170 gr		Lapua, LockBase B476		C.O.L. 90,0 mm / 3.543 inch

Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
Type	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N165	4,56	70.4	851	2792	5,73	88.4	976	3202
N560	4,73	73.0	899	2949	5,74	88.6	1006	3301
N170	5,02	77.5	865	2838	6,36	98.1	992	3255

Bullet	11,7 g / 180 gr		Barnes, XFB		C.O.L. 89,5 mm / 3.524 inch

Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
Type	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N165	4,70	72.5	855	2805	5,40	83.3	939	3079
N560	4,85	74.8	885	2904	5,60	86.3	956	3137
N170	5,02	77.5	851	2792	6,12	94.4	952	3124

Bullet	12,0 g / 185 gr		Lapua, Mega E415		C.O.L. 88,5 mm / 3.484 inch

Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
Type	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N165	4,75	73.3	826	2710	5,82	89.8	937	3074
N560	5,18	79.9	874	2867	5,83	90.0	969	3179
N170	5,22	80.6	837	2746	6,31	97.4	953	3127

Bullet	12,0 g / 185 gr		Lapua, Scenar		C.O.L. 91,4 mm / 3.598 inch

Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
Type	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N165	5,18	79.9	865	2838	6,09	94.0	960	3148
N560	5,46	84.2	888	2913	5,93	91.5	979	3213
N170	5,98	92.3	875	2871	6,40	98.7	966	3170
N570	5,90	91.0	908	2979	6,54	100.9	1023	3356

Bullet	13,0 g / 200 gr		Lapua, Mega E401		C.O.L. 89,3 mm / 3.516 inch

Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
Type	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N165	4,95	76.4	831	2726	5,70	88.0	922	3025
N560	5,24	80.9	892	2927	5,85	90.3	959	3146
N570	5,70	88.0	877	2877	6,37	98.3	958	3143