Pistol · Not SAAMI standardized · Not standardizedObsolete
.500 Bushwhacker
.500 Bushwhacker is a semi-rimmed straight-walled pistol cartridge of United States origin.
- Caliber
- 0.5″ · 12.7 mm
- Introduced
- 2022
- Case
- Semi-Rimmed
- Parent
- .375 Ruger
- Primary use
- Hunting, Self-Defense
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 2022
- Type
- Pistol
- Origin
- United States
- Inventor
- James Tow and Keith Tow
- Manufacturer
- TII Armory
- Standard
- Not SAAMI standardized · Not standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Rare
- Case capacity
- 104.9 gr H₂O
- Twist (typical)
- 1:15.0
- Primer
- Large Rifle
- Case type
- Semi-Rimmed
- Max pressure
- 60,000 psi, SAAMI transducer
- Eff. range
- 50 yd
- Max range
- 250 yd
- Recoil
- 177.9–209.9 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .500 Bushwhacker, 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
- .375 Ruger
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.
Wikipedia · secondary source| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 12.70 | 0.500 | · |
| Neck ⌀ | 13.34 | 0.525 | · |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 13.46 | 0.530 | · |
| Rim ⌀ | 14.22 | 0.560 | · |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.50 | 0.059 | · |
| Neck length | n/a | ||
| Case length | 62.23 | 2.450 | · |
| Overall length | 74.93 | 2.950 | · |
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. .500 Bushwhacker 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
Introduced around 2022 by James Tow and Keith Tow, derived from the .375 Ruger.
FAQs
- What twist rate does .500 Bushwhacker use?
- .500 Bushwhacker typically uses a 1:15.0 twist rate.
- What bullet diameter is .500 Bushwhacker?
- .500 Bushwhacker uses a 0.5″ (12.7 mm) diameter bullet.
- Is .500 Bushwhacker still in production?
- .500 Bushwhacker is discontinued; typical availability is rare.
- What is .500 Bushwhacker used for?
- .500 Bushwhacker is primarily used for hunting, self-defense.
- What is .500 Bushwhacker based on?
- .500 Bushwhacker is derived from the .375 Ruger case.
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 →
