.375 Holland & Holland Magnum

The .375 Holland & Holland Magnum, often abbreviated to .375 H&H Magnum, is a medium-bore rifle cartridge introduced in 1912 by London based gunmaker Holland & Holland. The .375 H&H cartridge featured a belt to ensure the correct headspace, which otherwise might be unreliable, given the narrow shoulder of the cartridge case. The cartridge was designed to use cordite which was made in long strands – hence the tapered shape of the case, which, as a beneficial side effect also helped in smooth chambering and extraction from a rifle's breech.

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1912  Wikimedia, Wikidata
.375 Belted Magnum Rimless Nitro Express; .375 H&H; .375 H&H Magnum; 9.5x72mmB; 9.5×72mmB
rifle cartridge, 

.17 Remington, .17 Remington Fireball, .20 BR, .22 CCM, .22 Eargesplitten Loudenboomer, .22 PPC, .22-250 Remington, .220 Swift, .222 Remington, .223 Winchester Super Short Magnum, .243 Winchester, .25-45 Sharps, .250-3000 Savage, .264 Winchester Magnum, .270 Winchester, .280 Ross, .30 TC, .30-01, .30-03, .30-40 Krag, .300 Pegasus, .300 PRC, .300 Remington Ultra Magnum, .300 Winchester Magnum, .307 Winchester, .33-40 Pope, .338 Ruger Compact Magnum, .369 Nitro Express, .375 Chey Tac, .375 Flanged Nitro Express, .378 Weatherby Magnum, .40-60 Winchester, .40-72 Winchester, .400 Taylor Magnum, .400 Whelen, .400/350 Nitro Express, .400/375 Belted Nitro Express, .405 Winchester, .416 Hoffman, .43 Spanish, .45-60 Winchester, .45-75 Winchester, .450 No 2 Nitro Express, .450/400 Black Powder Express, .458 Lott, .458 SOCOM, .458 Winchester Magnum, .461 Gibbs, .50-110 Winchester, .50-70 Government, .500/465 Nitro Express, .577 Black Powder Express, .950 JDJ, 10.15×61mmR, 10.75 x 68mm Mauser, 11x58mmR, 11×36 R Werndl, 11×42 R Werndl, 11×59mmR Gras, 11×60mm Mauser, 12.17×42mm RF, 13.2mm TuF, 14.5mm JDJ, 300 AAC Blackout, 375 SOCOM, 4.6×36 mm, 5.6×50mm Magnum, 5.6×57mm, 5.6×57mmR, 5.6×61mm VHSE, 6.5-300 Weatherby Magnum, 6.5mm Remington Magnum, 6.5×53mmR, 6.5×68mm, 6mm Musgrave, 6mm PPC, 6mm Remington, 7.5 mm GP 90, 7.62mm UKM, 7.62×40mm Wilson Tactical, 7.92mm DS, 7.92×36mm EPK, 7.92×57mm Mauser, 7mm BR Remington, 7mm Fournier, 7mm Remington Magnum, 7mm Remington Short Action Ultra Magnum, 7mm Remington Ultra Magnum, 7mm Weatherby Magnum, 7mm Winchester Short Magnum, 7×54mm Fournier, 7×65 mm R, 8mm Remington Magnum, 8x57 mm Patrone 88, 8x64 S, 8×52mmR Mannlicher, 8×58mmR, 8×60mm S, 8×68mm S, 9.3×57mm, 9.3×74mmR, 9×53mmR, 9×57mm Mauser, AK-9, Barrett M95, Denel NTW-20, Haenel RS8, HK MR308, Kariofili, OM 50 Nemesis, Remington M1867, Remington Model 700, Type I Rifle, 

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Location: KML, Cluster Map, Maps,

Frameless

Type	Subtype	Date	Description	Notes	Source