.338 Remington Ultra Magnum

.338 Remington Ultra Magnum

Infobox Firearm Cartridge
name= .338 Remington Ultra Magnum


caption=
origin= USA
type= Rifle
service=
used_by=
wars=
designer= Remington
design_date=2000
manufacturer=
production_date=
number=
variants=
is_SI_specs=
parent=.300 Remington Ultra Magnum
case_type=Beltless, rebated, bottleneck
bullet=.338
neck=.371
shoulder=.5250
base=.5500
rim_dia=.532
case_length=2.850
length=3.600
case_capacity=113
rifling=1-10 in (254 mm)
max_pressure=65000
max_cup=
primer=Large rifle magnum
is_SI_ballistics=
bw1=250
btype1=PSP Bonded
vel1=2860
en1=4540
bw2=250
btype2=PSP A-Frame
vel2=2860
en2=4540
test_barrel_length=26"
The .338 Remington Ultra Magnum is a .338 caliber rifle cartridge introduced by Remington Arms in 2002. It is a beltless, rebated rim cartridge based on the .300 Remington Ultra Magnum case shortened .090" loaded with a .338 caliber bullet. The .338 Remington Ultra Magnum is second only to the .338 Lapua Magnum and .338-378 Weatherby Magnum in cartridge-case capacity.

Handloaders should note that this cartridge already operates at very high pressures (65,000 PSI), significantly higher than standard rifle cartridges and higher even than most "magnums." This cartridge should not be "hot rodded," as many handloaders have done over the years with more conventional, lower pressure rounds.

ee also

* List of rifle cartridges

External links

* [http://www.accuratepowder.com/data/PerCaliber2Guide/Rifle/Standarddata(Rifle)/338cal(8.59mm)/338%20RUM%20Remington%20Ultra%20Mag%20pages%20297%20298.pdf .338 Remington Ultra Magnum reloading data at accuratepowder.com]


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