.243 Winchester
1955 · Winchester · 69 firearms in catalog
Also known as: .243 Win
Cartridge specifications
| Bullet Diameter | 6.2 mm (0.244") |
| Neck Diameter | 6.93 mm (0.273") |
| Base Diameter | 11.94 mm (0.470") |
| Case Length | 51.94 mm (2.045") |
| Overall Length | 68.83 mm (2.710") |
| Max Pressure | 415 MPa (60,000 psi) |
| Typical Bullet Weight | 5.83 g (90 gr) |
| Typical Muzzle Velocity | 945 m/s (3100 fps) |
| Typical Muzzle Energy | 2600 J (1918 ft·lbf) |
| Primer Type | Large Rifle |
| Cartridge Type | Rimless |
| Introduced | 1955 |
Firearms chambered in .243 Winchester
- Beretta BRX1 — Fabbrica d'Armi Pietro Beretta · Rifle · 2022
- Blaser K95 — Blaser Jagdwaffen GmbH · Rifle · 1995
- Blaser R8 — Blaser Jagdwaffen GmbH · Rifle · 2008
- Browning BLR — Browning Arms Company · Rifle · 1969
- Browning BLR Lightweight — Browning Arms Company · Rifle · 2003
- Browning X-Bolt 2 — Browning Arms Company · Rifle · 2024
- Browning X-Bolt 2 All Purpose — Browning Arms Company · Rifle · 2026
- CZ 557 — Česká zbrojovka · Rifle · 2013
- CZ 600+ American — Česká zbrojovka · Rifle · 2026
- Howa 1500 — Howa Machinery · Rifle · 1979
- Howa Superlite — Howa Machinery · Rifle · 2022
- Kimber Hunter — Kimber Manufacturing · Rifle · 2016
- Kimber Montana — Kimber Manufacturing · Rifle · 2003
- Lithgow LA102 Crossover — Lithgow Arms · Rifle · 2017
- Lithgow LA102 Hunter — Lithgow Arms · Rifle · 2024
- Lithgow LA102 Outback — Lithgow Arms · Rifle · 2024
- Lithgow LA102 Varmint — Lithgow Arms · Rifle · 2024
- Marlin X7 — Marlin Firearms · Rifle · 2008
- Mauser M12 — Mauser · Rifle · 2013
- Mauser M18 — Mauser · Rifle · 2018
- Remington Model Seven — Remington Arms · Rifle · 1983
- Sabatti Kipplauf SKL-20 — Sabatti · Rifle
- Sako 100 Explorer — Sako Ltd. · Rifle · 2025
- Sako 90 Adventure — Sako Ltd. · Rifle · 2023
- Sako 90 Bavarian — Sako Ltd. · Rifle · 2023
- Sako 90 Finnlight — Sako Ltd. · Rifle · 2023
- Sako 90 Hunter — Sako Ltd. · Rifle · 2023
- Sako 90 Peak — Sako Ltd. · Rifle · 2023
- Sako 90 Quest — Sako Ltd. · Rifle · 2023
- Sako 90 Varmint — Sako Ltd. · Rifle · 2023
- Sako S20 Hunter — Sako Ltd. · Rifle · 2020
- Sauer 100 — J.P. Sauer & Sohn · Rifle · 2017
- Savage 110 CORE HUNTER — Savage Arms · Rifle
- Savage 110 CORE HUNTER PRO — Savage Arms · Rifle
- Savage 110 CORE PREDATOR — Savage Arms · Rifle
- Savage 110 HUNTER XP — Savage Arms · Rifle
- Savage 110 TRAIL BLAZER — Savage Arms · Rifle
- Savage 110 TRAIL BLAZER XP — Savage Arms · Rifle
- Savage 110 TRAIL HUNTER LITE V2 — Savage Arms · Rifle
- Savage 12 LONG RANGE PRECISION — Savage Arms · Sniper Rifle
- Savage 12 VARMINTER LOW PROFILE — Savage Arms · Rifle
- Savage 334 — Savage Arms · Rifle
- Savage Impulse Core Hunter — Savage Arms · Rifle
- Savage IMPULSE CORE HUNTER PRO — Savage Arms · Rifle
- Savage IMPULSE CORE PREDATOR — Savage Arms · Rifle
- Savage Model 110 — Savage Arms · Rifle · 1958
- Steyr Pro Hunter — Steyr Mannlicher · Rifle
- Steyr Scout — Steyr Mannlicher · Rifle · 1997
- Thompson/Center Compass — Thompson/Center Arms · Rifle · 2016
- Thompson/Center LRR — Thompson/Center Arms · Sniper Rifle · 2017
- Thompson/Center Venture — Thompson/Center Arms · Rifle · 2009
- Tikka T3x Forest — Tikka · Rifle · 2016
- Tikka T3x Hunter — Tikka · Rifle · 2016
- Tikka T3x Laminated Stainless — Tikka · Rifle · 2016
- Tikka T3x Lite — Tikka · Rifle · 2016
- Tikka T3x Lite Roughtech — Tikka · Rifle · 2019
- Tikka T3x Lite Veil — Tikka · Rifle · 2021
- Tikka T3x Super Varmint — Tikka · Rifle · 2022
- Tikka T3x Superlite — Tikka · Rifle · 2016
- Tikka T3x Varmint — Tikka · Rifle · 2016
- Weatherby Mark V Backcountry Ti — Weatherby, Inc. · Rifle · 2026
- Wilson Combat NULA Model 20 — Wilson Combat · Rifle · 2023
- Wilson Combat Ranger — Wilson Combat · Carbine · 2018
- Wilson Combat Tactical Hunter — Wilson Combat · Rifle · 2016
- Winchester Model 1885 Low Wall Hunter — Winchester Repeating Arms Company · Rifle · 1885
- Winchester Model 70 Super Grade AAA Claro — Winchester Repeating Arms Company · Rifle · 2026
- Zastava M70 Hunting Rifle — Zastava Arms · Rifle · 1970
- Zastava M808 — Zastava Arms · Rifle · 2020
- Zastava PAP M2010 G — Zastava Arms · Rifle · 2010
Cartridge family
Parent cartridge: .308 Winchester