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Lindcott Armory

Rifle · CIP

7x64mm Brenneke

Also known as 7x64 · 7x64mm

Wilhelm Brenneke's 1917 sporting round for the 98 Mauser action.

Caliber
0.2854″ · 7.25 mm
Introduced
1917
Case
Rimless
Parent
8x64mm S
Primary use
Hunting
Status
Active

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VelocityBeing verified
EnergyBeing verified
Typical grains160 · 170 · 173 gr
Identity
Introduced
1917
Type
Rifle
Origin
Germany
Inventor
Wilhelm Brenneke
Manufacturer
RWS
Standard
CIP
Status
Active
Availability
Moderate
Build
Case capacity
66 gr H₂O
Twist (typical)
1:8.66
Primer
Large Rifle
Case type
Rimless
Pressure & range
Max pressure
60,191 psi
Eff. range
350 yd
Max range
4200 yd
Recoil
12–16 ft·lb

Introduced by RWS

Ballistics

Published velocity/energy data isn't available for 7x64mm Brenneke. Parent case: 8x64mm S.

Performance

Best for Withheld until verified
Best for Withheld until verified
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 · verified
Measuremmin
Bullet ⌀ 7.250.285
Neck ⌀ 7.950.313
Shoulder ⌀ 10.800.425
Shoulder angle 20.2°
Base ⌀ 11.850.467
Rim ⌀ 11.950.470
Belt ⌀ n/a
Rim thickness 1.300.051
Neck length 8.630.340
Case length 64.002.520
Overall length 84.003.307

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. 7x64mm Brenneke is highlighted below.

Factory loads

Verification

Being verified

Advertised FPS, energy, and BC are withheld until loads clear verification.

Suitable powders

12 reloading powders listed for 7x64mm Brenneke, 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 7x64mm Brenneke

12 models in the database chamber 7x64mm Brenneke. Browse all →

Heym SR30 .308 Win 21.7-inchChapuis Armes ROLS LightSako 85 Bavarian .30-06 SprgHeym SR21 LightweightChapuis Armes ROLS StandardHeym SR21 7x64mm 21.7-inchHeym SR21 .308 Win 21.7-inchChapuis Armes Chasseur ArtisanChapuis Armes Chasseur ClassicSteyr-Mannlicher Classic Full-StockSteyr-Mannlicher Classic CarbineSteyr Mannlicher SBS96 .270 Win

Lineage

Immediate parent

necked to 7mm

Direct descendants (1)
Family TreeOpen 7x64mm Brenneke in the interactive cartridge family tree

Connected reference

History

Developed by Wilhelm Brenneke in 1917 as a powerful 7mm for European game. Designed to provide magnum-like performance in standard-length Mauser actions. Very popular in Germany, Austria, and Scandinavia. Never caught on in America despite excellent performance. Ballistically similar to .280 Remington but predates it by 40 years.

FAQs

What twist rate does 7x64mm Brenneke use?
7x64mm Brenneke typically uses a 1:8.66 twist rate.
What bullet diameter is 7x64mm Brenneke?
7x64mm Brenneke uses a 0.2854″ (7.25 mm) diameter bullet.
Is 7x64mm Brenneke still in production?
7x64mm Brenneke is active; typical availability is moderate.
What is 7x64mm Brenneke used for?
7x64mm Brenneke is primarily used for hunting.
What is 7x64mm Brenneke based on?
7x64mm Brenneke is derived from the 8x64mm S case.
What are the best powders for 7x64mm Brenneke?
Reloading powders commonly listed for 7x64mm Brenneke include N550, 203-B, N540, URP, among 12 suitable options.

Sources & provenance

Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 41 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →