Rifle
.22-6mm
The .22-6mm necks the 6mm Remington case down to .224 — a high-velocity varmint wildcat that trades barrel life for a very flat trajectory..
- Caliber
- 0.224″ · 5.69 mm
- Case
- Bottleneck
- Parent
- 6mm Remington
- Status
- Wildcat
- Type
- Rifle
- Status
- Wildcat
- Availability
- Rare
- Primer
- Large Rifle
- Eff. range
- 500 yd
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .22-6mm, 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
- 6mm Remington
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.
mixed/other · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 5.69 | 0.224 | · |
| Neck ⌀ | 6.55 | 0.258 | ~ |
| Shoulder ⌀ | 10.90 | 0.429 | · |
| Shoulder angle | 26° | — | ~ |
| Base ⌀ | 11.97 | 0.471 | · |
| Rim ⌀ | 12.01 | 0.473 | · |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.24 | 0.049 | · |
| Neck length | 7.57 | 0.298 | ≈ |
| Case length | 56.72 | 2.233 | ~ |
| 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. .22-6mm 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 .22-6mm necks the 6mm Remington case down to .224 — a high-velocity varmint wildcat that trades barrel life for a very flat trajectory.
FAQs
- What bullet diameter is .22-6mm?
- .22-6mm uses a 0.224″ (5.69 mm) diameter bullet.
- Is .22-6mm still in production?
- .22-6mm is wildcat; typical availability is rare.
- What is .22-6mm based on?
- .22-6mm is derived from the 6mm Remington case.
Sources & provenance
- Secondary Ballistic Studies (Nathan Foster / Terminal Ballistics Research) — .22-243 Knowledge Base · bullet ⌀, velocity, grain weights archived
- Secondary Quality Cartridge (via Graf & Sons listing) — Quality Cartridge 22-6mm Remington Unprimed Brass · bullet ⌀
- Secondary Case Histories: The 22-6mm Remington — Gun Mart · parent_cartridge
- Secondary 22-6MM — Lee Precision (die maker) · parent_cartridge
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →