Lindcott Armory Rifle · Proprietary
.22 GT
PRS competition wildcat created by necking down the 6 GT; feeds reliably in AR-10 platforms and bolt guns, gaining traction in gas gun PRS divisions..
- Caliber
- 0.224″ · 5.69 mm
- Introduced
- 2018
- Case
- Rimless
- Parent
- 6GT
- Status
- Active
- Introduced
- 2018
- Type
- Rifle
- Origin
- United States
- Inventor
- Various / wildcat
- Standard
- Proprietary
- Status
- Active
- Availability
- Uncommon
- Primer
- Boxer Small Rifle
- Case type
- Rimless
- Eff. range
- 700 yd
Ballistics
- Parent case
- 6GT
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.
SAAMI · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 5.69 | 0.224 | · |
| Neck ⌀ | 6.33 | 0.249 | ~ |
| Shoulder ⌀ | — | — | |
| Shoulder angle | 35° | — | ~ |
| Base ⌀ | 11.96 | 0.471 | · |
| Rim ⌀ | 12.01 | 0.473 | ~ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.37 | 0.054 | ~ |
| Neck length | — | — | |
| Case length | 43.82 | 1.725 | · |
| Overall length | 65.02 | 2.560 | ~ |
Missing a dimension for .22 GT? Some case measurements aren't in a published SAAMI/CIP drawing yet. Have a factory or reamer print? Send it → — verified hard-to-find data earns a free Lindcott sticker.
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 GT was developed as a logical extension of the 6 GT cartridge by necking it down to .224 caliber. It offers high velocity with excellent precision and feeds reliably in semi-automatic platforms, making it attractive for PRS Gas Gun division competitors who want a flat-shooting cartridge with moderate recoil.
FAQs
- What bullet diameter is .22 GT?
- .22 GT uses a 0.224″ (5.69 mm) diameter bullet.
- Is .22 GT still in production?
- .22 GT is active; typical availability is uncommon.
- What is .22 GT based on?
- .22 GT is derived from the 6 GT (necked down) case.
Sources & provenance
- SecondaryShooter's Reference (load-data aggregator) — Load Data for .22 GT · bullet ⌀, velocity, grain weightsarchived
- SecondaryNRA — Shooting Sports USA (SSUSA) — What is 6 mm GT? · yeararchived
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →