.375 H&H Magnum

Test barrel: 620 mm (24½”), 1 in 12” twist
Primers: Large Rifle Magnum
Cases: Remington, trim-to length 72,20 mm (2.842”)

Bullet	15,2 g / 235 gr		Speer, Spitzer		C.O.L. 91,0 mm / 3.583 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	4,55	70.2	816	2677	4,91	75.8	879	2884
N540	4,11	63.4	729	2392	5,18	79.9	890	2920
N150	4,75	73.3	834	2736	5,10	78.7	886	2907
Bullet	16,2 g / 250 gr		Hornady, CX		C.O.L. 91,4 mm / 3.600 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N135	3,60	55.6	714	2343	4,09	63.1	784	2572
N140	4,05	62.5	750	2461	4,56C	70.4C	821	2694
N540	4,40	67.9	800	2625	4,76C	73.5C	855	2805
N150	4,20	64.8	765	2510	4,62C	71.3C	827	2713
N550	4,75	73.3	801	2628	5,17C	79.8C	866	2841
C – Compressed load
Bullet	16,2 g / 250 gr		Sierra, SBT		C.O.L. 91,0 mm / 3.583 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N135	3,95	61.0	771	2530	4,30	66.4	822	2697
N140	4,00	61.7	772	2533	4,41	68.1	830	2723
N540	4,44	68.5	797	2615	4,82	74.4	856	2808
N150	4,25	65.6	794	2605	4,72	72.8	852	2795
N550	4,80	74.1	823	2700	5,25C	81.0C	885	2904
C – Compressed load
Bullet	16,8 g / 260 gr		Sako, Blade 650D		C.O.L. 91,0 mm / 3.583 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	4,03	62.2	732	2402	4,53C	69.9C	800	2625
N540	4,25	65.6	766	2513	4,80C	74.1C	836	2743
N150	4,11	63.4	745	2444	4,63C	71.5C	810	2657
N550	4,75	73.3	786	2579	5,12C	79.0C	842	2762
C – Compressed load
Bullet	17,5 g / 270 gr		Barnes, XFB		C.O.L. 91,0 mm / 3.583 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	3,90	60.2	635	2083	4,55	70.2	787	2582
N540	4,20	64.8	727	2385	4,76	73.4	813	2667
N150	4,25	65.6	723	2372	4,71	72.7	796	2612
Bullet	17,5 g / 270 gr		Brenneke, TOG		C.O.L. 91,0 mm / 3.583 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	3,80	58.6	706	2316	4,27	65.9	774	2539
N540	4,15	64.0	751	2464	4,62	71.3	817	2680
N150	3,97	61.3	718	2356	4,41	68.1	782	2566
N550	4,50	69.4	768	2520	4,88C	75.3C	825	2707
C – Compressed load
Bullet	17,5 g / 270 gr		Speer, BTSP		C.O.L. 91,4 mm / 3.600 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N135	3,97	61.3	749	2457	4,27	65.9	793	2602
N140	4,20	64.8	766	2513	4,46	68.8	807	2648
N540	4,20	64.8	770	2526	4,72	72.8	840	2756
N150	4,25	65.6	773	2536	4,62C	71.3C	821	2694
N550	4,75	73.3	799	2621	5,12C	79.0C	854	2802
C – Compressed load
Bullet	17,5 g / 270 gr		Woodleigh, RNSP		C.O.L. 91,0 mm / 3.583 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N135	3,85	59.4	707	2320	4,27	65.9	771	2530
N540	4,45	68.7	766	2513	4,85	74.8	827	2713
N150	4,20	64.8	735	2411	4,70	72.5	799	2621
Bullet	18,5 g / 285 gr		Speer, Grand Slam		C.O.L. 91,0 mm / 3.583 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	3,90	60.2	665	2182	4,41	68.0	784	2572
N540	4,22	65.1	732	2402	4,60	71.0	790	2592
N150	4,21	65.0	733	2405	4,69	72.4	792	2598
Bullet	19,4 g / 300 gr		Hornady, DGX		C.O.L. 91,4 mm / 3.600 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	3,80	58.6	684	2244	4,16	64.2	741	2431
N540	4,00	61.7	710	2329	4,40	67.9	766	2513
N150	3,70	57.1	675	2215	4,20	64.8	738	2421
N550	4,35	67.1	728	2388	4,68C	72.2C	778	2552
N555	4,80	74.1	751	2464	5,35C	82.6C	807	2648
C – Compressed load
Bullet	19,4 g / 300 gr		Swift, A-Frame		C.O.L. 91,0 mm / 3.583 inch
Powder	Starting load				Maximum load
Type	Weight		Velocity		Weight		Velocity
	[g]	[grs]	[m/s]	[fps]	[g]	[grs]	[m/s]	[fps]
N140	3,75	57.9	657	2156	4,27	65.9	736	2415
N540	4,02	62.0	692	2270	4,34	67.0	743	2438
N150	3,70	57.1	650	2133	4,24	65.4	726	2382

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