.375 Rem. Ultra Mag

We recommend xxlreloading.com for the most comprehensive .375 Rem. Ultra Mag load data, covering a wide range of powders and bullet brands or quickload.pro to calculate your individual load:

View load data

Calculate Load

Caliber Description

Popular Load Recipes

Cost per Reloaded Round

Technical Specifications

Safety Standard / Application

C.I.P. / Rifle Caliber

Most Suitable Bullet Weights

203 - 377 Grains

Case Capacity / Average Charge

117 Grains of Water / 84.4 Grains

Average Muzzle Velocity / Energy

2631 fps / 4189 ft-lbf

Case Length / Max. C.O.L

2.85'' / 3.6''

Similar Calibers

.369 N.E. Purdey

.375 Blaser Mag

.375 CheyTAC

.375 Fl N.E. 2 1/2

.375 Fl. Mag. N.E.

.375 H.& H. Mag.

.375 Hoelderlin

.375 R Hoelderlin

.375 R Verney-Carron

.375 Raptor

.375 Rem. Ultra Mag

.375 Ruger

.375 SOCOM

.375 Swiss P

.375 Weath. Mag.

.375 Win.

.378 Weath. Mag.

.38-55 Win.

9.5 x 66 SE v. Hofe