Rifle · SAAMI
.33 Nosler
Nosler's proprietary magnum rifle cartridge based on a rebated-rim case with no belt.
- Caliber
- 0.338″ · 8.585 mm
- Introduced
- 2016
- Case
- Rimless
- Parent
- .404 Jeffery
- Primary use
- Hunting
- Status
- Active
- Introduced
- 2016
- Type
- Rifle
- Origin
- United States
- Inventor
- Nosler, Inc.
- Manufacturer
- Nosler
- Standard
- SAAMI
- Status
- Active
- Availability
- Common
- Case capacity
- 96 gr H₂O
- Twist (typical)
- 1:10
- Primer
- Boxer Large Rifle
- Case type
- Rimless
- Max pressure
- 65,000 psi, SAAMI transducer
- Eff. range
- 700 yd
- Max range
- 6450 yd
- Recoil
- 57–63.4 ft·lb
Introduced by Nosler
Ballistics
Published velocity/energy data isn't available for .33 Nosler. Parent case: .404 Jeffery.
Performance
Dimensionscase measurements · scale drawing · size vs familiar rounds
Case dimensions — the scale drawing at the top of the page is built from these.
SAAMI · verified| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 8.59 | 0.338 | ✓ |
| Neck ⌀ | 9.40 | 0.370 | ✓ |
| Shoulder ⌀ | 13.44 | 0.529 | ✓ |
| Shoulder angle | 35° | — | ✓ |
| Base ⌀ | 13.97 | 0.550 | ✓ |
| Rim ⌀ | 13.56 | 0.534 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.27 | 0.050 | ~ |
| Neck length | 8.38 | 0.330 | ≈ |
| Case length | 62.48 | 2.460 | ✓ |
| Overall length | 84.84 | 3.340 | ✓ |
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. .33 Nosler is highlighted below.
Factory loads
Being verified
Advertised FPS, energy, and BC are withheld until loads clear verification.
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 .33 Nosler
Lineage
History
Nosler introduced this proprietary cartridge in 2016 based on a beltless rebated-rim case. Designed specifically for the Nosler Model 48 rifle. Fills the gap between .338 Winchester Magnum and .340 Weatherby Magnum, optimized for hunting elk and moose at extended ranges.
FAQs
- What twist rate does .33 Nosler use?
- .33 Nosler typically uses a 1:10 twist rate.
- What bullet diameter is .33 Nosler?
- .33 Nosler uses a 0.338″ (8.585 mm) diameter bullet.
- Is .33 Nosler still in production?
- .33 Nosler is active; typical availability is common.
- What is .33 Nosler used for?
- .33 Nosler is primarily used for hunting.
- What is .33 Nosler based on?
- .33 Nosler is derived from the .404 Jeffery case.
Sources & provenance
- Standard SAAMI — ANSI/SAAMI Z299.4-2025 — Centerfire Rifle Velocity & Pressure Data · grain_ballistics, representative_gun archived
- Standard SAAMI — ANSI/SAAMI Z299 — Cartridge & Chamber Drawings archived
- Manufacturer Nosler — 33 Nosler 265gr AccuBond Trophy Grade Long Range Ammunition · representative_gun, grain_ballistics archived
- Manufacturer Nosler — 33 Nosler 250gr Partition Trophy Grade Ammunition · grain_ballistics, representative_gun archived
- Manufacturer Nosler — 338 Caliber 265gr AccuBond Long Range (100ct) · grain_ballistics, representative_gun archived
- Manufacturer Nosler — 33 Nosler Rifle Cartridges (cartridge overview) · grain_ballistics, representative_gun archived
- Manufacturer Nosler — 338 Caliber 250gr Partition (50ct) · representative_gun, grain_ballistics archived
- Manufacturer Nosler — 338 Caliber 225gr AccuBond (50ct) · representative_gun, grain_ballistics
- Manufacturer AccurateShooter Daily Bulletin — New 33 Nosler · parent_cartridge
- Manufacturer American Hunter — Behind the Bullet: 33 Nosler (NRA) · parent_cartridge
- Manufacturer 33 Nosler Rifle Cartridges — Nosler (manufacturer/designer) · parent_cartridge
- Manufacturer Nosler — 33 Nosler 225gr AccuBond Trophy Grade Ammunition · representative_gun, grain_ballistics archived
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 22 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
