.338 Remington Ultra Mag Ammo
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Remington Core-Lokt Centerfire Rifle Ammo 338 Rem. Ultra Mag. 250 Gr. Core-Lokt Psp 20 Rd. 27942
Brand:
Remington
Bullet Type:
Pointed Soft Point
Caliber:
.338 RUM
Grains:
250 grain
Rounds:
20
From:
$70.12
View Product
13
Frequently Asked Questions
.338 Remington Ultra Mag Ammo
What is a 338 ultra mag?
.338 Remington Ultra Magnum is a long-range hunting cartridge released by Remington in 2000. Designed for large game at extended distances, it delivers similar ballistics to .338 Lapua but at lower cost. Initially chambered in the Model 700 Sendero rifle, production ended in 2002 though custom orders remain available.
Is 338 more powerful than 30-06?
Yes, .338 cartridges generally deliver more power than .30-06. The .338 Lapua carries roughly 1,180 foot-pounds more energy at 500 yards. .338 magnums excel on larger game like moose and bear, while .30-06 remains popular for general big game hunting due to lower recoil and ammunition cost.
How many FPS is a 338 Ultra Mag?
.338 RUM velocity depends on bullet weight and powder charge. Remington Core-Lokt factory loads a 250 grain bullet to 2860 fps. Handloads with RL22 range from around 2982 fps at minimum charge up to 3189 fps at maximum. Heavier 300 grain bullets produce 2600-2650 fps.
How far will a 338 shoot accurately?
The .338 Lapua Magnum is effective to around 1,500 yards in skilled hands, with many shooters achieving consistent accuracy out to a mile (1,760 yards). Skilled long-range shooters can push beyond 2,000 yards. Cartridge choice, barrel quality, ammunition consistency, and shooter skill all determine practical effective range.
Who makes a 338 ultra mag rifle?
Remington manufactured the Model 700 in .338 RUM, released in 2000. Factory production continued beyond the early 2000s, with new rifles remaining available for purchase. Used models also appear on the secondary market. Check current retailers for new factory options in .338 Ultra Mag.
How much is a 338 Magnum round?
.338 Magnum pricing varies significantly by cartridge. .338 Win Mag runs roughly $0.80–$5.00 per round. .338 Lapua Magnum costs more, with match-grade loads reaching $5.00+ per round. Note that ".338 Magnum" can refer to several distinct cartridges — Win Mag, Lapua, or Remington Ultra Mag — each with different pricing.
What is the shelf life of 338 ammo?
Properly stored .338 ammo remains usable well beyond 10 years. Manufacturers typically list a conservative 10-year expiration, but ammunition doesn't truly expire if kept dry and cool. Store rounds in sealed containers away from moisture and temperature extremes. Brass and bullet construction quality also affects longevity.