Rifle · CIP

7mm Mauser

7x57mm7x57mm Mauser.275 Rigby

Classic African hunting cartridge beloved by professional hunters.

Caliber
0.2854″ · 7.25 mm
Introduced
1892
Case
Rimless
Primary use
Military, Hunting
Status
Active
Velocity2,600–2,900 fps
Energy2,200–2,800 ft·lb
Typical grains139 · 140 · 173 gr
Identity
Introduced
1892
Type
Rifle
Origin
Germany
Inventor
Paul Mauser
Manufacturer
DWM
Standard
CIP
Status
Active
Availability
Common
Build
Case capacity
60 gr H₂O
Twist (typical)
1:9
Primer
Large Rifle
Case type
Rimless
Pressure & range
Max pressure
51,000 psi
Eff. range
550 yd
Max range
4000 yd
Recoil
12–16 ft·lb

Ballistics

Real trajectory computed from a representative load — Hornady Custom 154 gr, 2,690 fps, BC 0.271 G7 · 100 yd zero.

overlay up to 2
RangeVelocityEnergyDrop (in)Drop (MOA)
0 yd26892473-1.5″
100 yd252521810.0″0.0
200 yd23671916-4.0″-1.9
300 yd22141676-14.1″-4.5
400 yd20661460-31.5″-7.5
500 yd19231265-56.9″-10.9
600 yd17851090-91.7″-14.6
700 yd1651932-137.5″-18.8
800 yd1522792-196.0″-23.4

Point-mass G7/G1 drag model, standard atmosphere — within ~2% of reference solvers to 1000 yd; real barrels and conditions vary. Open in Ballistic Compare →

Performance

Best for HuntingHornady Custom154 gr · SST · 2,690 fps · BC 0.271 G7Buy now →
Best for TargetPRVI Partizan PPU139 gr · FMJBT · 2,854 fps · BC 0.410 G1Buy now →

Buy links open 7mm Mauser ammunition at Rivertown Munitions.

Dimensionscase measurements · scale drawing · size vs familiar rounds

Case dimensions — the scale drawing at the top of the page is built from these.

CIP TDCC · approximate
Measuremmin
Bullet ⌀7.250.285~
Neck ⌀8.250.325
Shoulder ⌀10.920.430
Shoulder angle20.5°
Base ⌀12.010.473
Rim ⌀12.100.476
Belt ⌀n/a
Rim thickness1.150.045
Neck length9.590.378
Case length57.002.244
Overall length78.003.071

Size vs familiar rounds

Drawn at true 1:1 — every case is accurate relative to the others. Absolute size depends on your screen's pixel density, so measuring one against a real ruler may be off. 7mm Mauser is highlighted below.

Factory loads

In production — 49 active loads across 20 brands. Top 15 shown · see all 55 →.

BrandLoadGrainBulletFPSft·lbBC
HornadySuperformance139SST2,9502,6860.265 G7
RWSID Classic139ID2,8872,5720.410 G1
NoslerTrophy Grade Partition140Partition2,8602,5420.410 G1
HornadyCustom139SP2,8542,5140.410 G1
PPUSP Hunting139SP2,8542,5140.410 G1
BrowningBXR139MaxPoint2,8542,5140.410 G1
Sellier & BellotSP Hunting139SP2,8542,5140.410 G1
FiocchiSP Hunting139SP2,8542,5140.398 G1
RemingtonCore-Lokt PSP139Core-Lokt PSP2,8542,5140.410 G1
PRVI PartizanPPU139FMJBT2,8542,5140.410 G1
PRVI PartizanPPU139SP2,8542,5140.410 G1
FiocchiExtrema139SST2,8542,5140.265 G7
FederalPower-Shok SP139SP2,8542,5140.410 G1
Sellier & BellotStandard140SPCE2,8542,5320.410 G1
BarnesVOR-TX140TTSX BT2,7502,3510.410 G1

Velocities are manufacturer-stated (test-barrel). Discontinued loads dimmed.

Suitable powders

7 reloading powders listed for 7mm Mauser, fastest to slowest. Cross-reference in the finder →

Reloading costestimate cost per round vs factory

Estimate your cost per round and how it compares to factory. Inputs are yours — nothing is stored.

Cost estimate only — not load data. Charge weight is your input; follow published manuals for safe charges.

Firearms chambered in 7mm Mauser

12 models in the database chamber 7mm Mauser. Browse all →

John Rigby & Company Rigby M98 .275 Rigby 24-inchRuger No.1 RSI International .243Musgrave Musgrave RSM .308 Win 26-inchRuger No. 1 Light Sporter 7x57mm 22-inchRuger No.1-A Light Sporter 7x57Ruger No.1-A Light Sporter .30-06Ruger No.1-A Light Sporter .270Rigby Highland Stalker .275 Rigby 24-inchRuger No. 1 Light SporterRuger No. 1 InternationalFN Herstal FN49 .30-06Belgium FN Model 1949 SAFN

Lineage

Immediate parent
Root — no documented parent
Family TreeOpen 7mm Mauser in the interactive cartridge family tree

Connected reference

History

Designed by Paul Mauser in 1892 and adopted by Spain in 1893. Proved devastatingly effective in Spanish-American War, leading US to adopt .30-06. Famous as the cartridge used by W.D.M. Bell to take over 1,000 elephants with precise shot placement. Marketed as .275 Rigby in Britain. Still highly regarded for hunting.

FAQs

What twist rate does 7mm Mauser use?
7mm Mauser typically uses a 1:9 twist rate.
What bullet diameter is 7mm Mauser?
7mm Mauser uses a 0.2854″ (7.25 mm) diameter bullet.
Is 7mm Mauser still in production?
7mm Mauser is active; typical availability is common.
What is 7mm Mauser used for?
7mm Mauser is primarily used for military, hunting.
What are the best powders for 7mm Mauser?
Reloading powders commonly listed for 7mm Mauser include AR 2208, IMR 3031, N135, H380, among 7 suitable options.

Sources & provenance

Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 49 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →