Centerfire Rifle · SAAMI · SAAMI standardized · CIP standardizedObsolete
.30 TC
Thompson/Center and Hornady's 2007 SAAMI-standardized short-action cartridge, designed to match .30-06 Springfield performance from a 2.260-inch OAL that fits short-action magazines.
- Caliber
- 0.3″ · 7.62 mm
- Introduced
- 2007
- Case
- Rimless
- Parent
- .308 Winchester
- Primary use
- Hunting, Target
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 2007
- Type
- Centerfire Rifle
- Origin
- United States
- Inventor
- Thompson/Center Arms
- Manufacturer
- Hornady
- Standard
- SAAMI · SAAMI standardized · CIP standardized
- SAAMI
- SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Collector
- Case capacity
- 53.5 gr H₂O
- Twist (typical)
- 1:12
- Primer
- Large Rifle
- Case type
- Rimless
- Max pressure
- 62,000 psi, SAAMI transducer
- Eff. range
- 400 yd
- Max range
- 4500 yd
- Recoil
- 19.3–20.5 ft·lb
Introduced by Hornady
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .30 TC, 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
- .308 Winchester
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 ⌀ | 7.62 | 0.300 | ✓ |
| Neck ⌀ | 8.56 | 0.337 | ✓ |
| Shoulder ⌀ | 11.78 | 0.464 | ✓ |
| Shoulder angle | 30° | — | ✓ |
| Base ⌀ | 11.95 | 0.470 | ✓ |
| Rim ⌀ | 12.01 | 0.473 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.37 | 0.054 | ✓ |
| Neck length | 7.58 | 0.298 | ≈ |
| Case length | 48.77 | 1.920 | ✓ |
| Overall length | 67.56 | 2.660 | ✓ |
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. .30 TC 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.
Lineage
Connected reference
History
The .30 TC was introduced in 2007 by Thompson/Center Arms, based on the .308 Winchester case (United States).
FAQs
- What twist rate does .30 TC use?
- .30 TC typically uses a 1:12 twist rate.
- What bullet diameter is .30 TC?
- .30 TC uses a 0.3″ (7.62 mm) diameter bullet.
- Is .30 TC still in production?
- .30 TC is discontinued; typical availability is collector.
- What is .30 TC used for?
- .30 TC is primarily used for hunting, target.
- What is .30 TC based on?
- .30 TC is derived from the .308 Winchester case.
Sources & provenance
- Standard SAAMI (Sporting Arms and Ammunition Manufacturers' Institute) — ANSI/SAAMI Z299.4 – 2015 (Centerfire Rifle) — Velocity & Pressure / Cartridge & Chamber Drawings · bullet ⌀, velocity archived
- Manufacturer Hornady — 30 Cal .308 165 gr SST · grain weights, bullet ⌀ archived
- Secondary Wikipedia (pointer) — .30 Thompson Center · year, velocity archived
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
