Rifle · CIP · Not SAAMI standardized · CIP standardizedObsolete
.408 Winchester (CIP)
.408 Winchester (CIP) is a rimmed straight-walled rifle cartridge of United States origin.
- Caliber
- 0.4059″ · 10.31 mm
- Introduced
- 2000
- Case
- Rimmed
- Primary use
- Hunting
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 2000
- Type
- Rifle
- Origin
- United States
- Inventor
- Winchester
- Manufacturer
- Winchester Ammunition
- Standard
- CIP · Not SAAMI standardized · CIP standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Rare
- Case capacity
- 59.7 gr H₂O
- Twist (typical)
- 1:14.0
- Primer
- Large Rifle
- Case type
- Rimmed
- Max pressure
- 59,466 psi, CIP transducer
- Eff. range
- 150 yd
- Max range
- 750 yd
- Recoil
- 11.1–12.9 ft·lb
Introduced by Winchester Ammunition
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .408 Winchester (CIP), so this is the shape gravity alone gives the advertised velocity. Drag would steepen it. The tool below solves real loads through their published G1 or G7 model.
Open in Ballistic Compare- Parent case
- —
Representative trajectory — modeled from a single velocity input (no published BC for this cartridge yet).
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| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 10.31 | 0.406 | ✓ |
| Neck ⌀ | 10.92 | 0.430 | ✓ |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 11.33 | 0.446 | ✓ |
| Rim ⌀ | 12.85 | 0.506 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.60 | 0.063 | ✓ |
| Neck length | n/a | ||
| Case length | 51.56 | 2.030 | ✓ |
| Overall length | 65.53 | 2.580 | ✓ |
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. .408 Winchester (CIP) is highlighted below.
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.
Connected reference
History
Developed by Winchester.
FAQs
- What twist rate does .408 Winchester (CIP) use?
- .408 Winchester (CIP) typically uses a 1:14.0 twist rate.
- What bullet diameter is .408 Winchester (CIP)?
- .408 Winchester (CIP) uses a 0.4059″ (10.31 mm) diameter bullet.
- Is .408 Winchester (CIP) still in production?
- .408 Winchester (CIP) is discontinued; typical availability is rare.
- What is .408 Winchester (CIP) used for?
- .408 Winchester (CIP) is primarily used for hunting.
Sources & provenance
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
