.280 Remington

.280 Remington

Infobox Firearm Cartridge
name= .280 Remington


caption=
origin= USA
type= Rifle
service=
used_by=
wars=
designer= Remington
design_date=1957
manufacturer=Remington
production_date=1957-Present
number=
variants= 7mm Express Remington
is_SI_specs=
parent= .30-06 Springfield
case type=Rimless, bottleneck
bullet=.2845
neck=.315
shoulder=.441
base=.470
rim_dia=.473
rim_thick=
case_length=2.540
length=3.330
rifling=1-9"
primer=Large rifle
filling=
filling_weight=
detonation=
yield=
is_SI_ballistics=
bw1=120
btype1=SP
vel1=3112
en1=2581
bw2=140
btype2=HP
vel2=2839
en2=2506
bw3=154
btype3=SP
vel3=2825
en3=2730
bw4=168
btype4=HPBT
vel4=2723
en4=2767
bw5=175
btype5=SP
vel5=2681
en5=2794
test_barrel_length=24"
balsrc= Accurate Powder " [http://www.accuratepowder.com/data/PerCaliber2Guide/Rifle/Standarddata(Rifle)/284Cal(7.21mm)/280%20Remington%207mmExpress%20pages%20244%20and%20245.pdf .280 Remington data] " from Accurate Powder]
The .280 Remington, also known as the 7 mm Express Remington, was introduced in 1957 for the Remington model 740, 760, 721 and 725 rifles. The .280 is based on the .30-06 Springfield necked down to accept 7 mm (.284in) bullets, with the neck moved forward .050in (1.27mm).

History

Having been released 32 years after the.270 Winchester and having no particular advantage over its predecessor, it had somewhat unspectacular sales; Remington renamed the cartridge in 1979, calling it the 7 mm Express in an attempt to increase sales. This resulted in people confusing it with the 7 mm Remington Magnum and Remington eventually changed the name back to .280 in 1981. [http://www.outdoorlife.com/outdoor/shooting/article/0,19912,1153256-1,00.html The Versatile 280 at Outdoor Life] ]

The .280 Remington is capable of developing energy nearly equal to the .30-06 Springfield, but with lighter bullets having a better ballistic coefficient. Thus, the .280 has a better trajectory and retains more energy downrange. However, the .30-06 produces more energy than the .280 with bullets heavier than 180 grains. The .280 is suitable for hunting any game in North America.

SAAMI pressure limit for the .280 Remington is set at 60,000 PSI, 50,000 CUP.

Most American rifle and ammunition manufacturers catalogue the .280 Remington.

The .280 Remington is not popular in Europe, where it competes with the 7 x 64, to which it is almost ballistically identical. When compared to the .280 Remington the 7 x 64 has a slightly higher maximum allowed chamber pressure and as a European 7 mm cartridge has a slightly larger bore. European 7 mm cartridges all have 7.24 mm (0.285 in) grooves Ø diameter. American 7 mm cartridges have 7.21 mm (0.284 in) grooves Ø.

ee also

* 7 mm Weatherby Magnum
* 7 mm-08 Remington
* 7 x 57 mm Mauser
* 7 mm caliber
* List of rifle cartridges
* Delta L problem

References


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