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6mm Rem Ammo
6mm Rem Ammo Listing For Sale From Various Ammo Retailers
The 6mm Remington rifle cartridge, initially introduced in 1955 by Remington Arms Company as the .244 Remington, is based on a necked-down .257 Roberts cartridge using a .24/6mm bullet.
Popular cartridges necked down for this purpose included the .257 Roberts (based on the 7x57mm Mauser) and .308 Winchester. Fred Huntington of RCBS had developed what was known as the .243 Rock Chucker wildcat cartridge. This was a necked down .257 Roberts casing shooting a .24/6mm bullet.
In 1963, on the heels of its successful first-year launch of the new Remington Model 700 bolt action hunting rifle, the .244 was re-introduced but renamed 6mm Remington. The 700 continued with the 1 in 9-inch twist, and Remington also introduced a new 6mm ammunition loaded with a 100-grain Core-Lokt bullet.
Remington labeled their new 100-grain bullet ammunition as "6mm" when introduced. However, Remington continued to manufacture and label the 75 and 90-grain bullet ammunition as ".244" for some years.
About: 6mm Rem
- Type: Rifle
- Place of origin: USA
- Designer: Fred Huntington & Mike Walker
- Designed: 1955
- Manufacturer: Remington
- Variants: .244 Remington
Specifications
- Parent case: 7×57mm Mauser
- Case type: Rimless, bottleneck
- Bullet diameter: .2435 in (6.18 mm)
- Neck diameter: .276 in (7.0 mm)
- Shoulder diameter: .429 in (10.9 mm)
- Base diameter: .471 in (12.0 mm)
- Rim diameter: .473 in (12.0 mm)
- Case length: 2.233 in (56.7 mm)
- Overall length: 2.825 in (71.8 mm)
- Rifling twist: 1-9"
- Primer type: Large rifle
Ballistic performance
| Bullet mass/type | Velocity | Energy |
|---|---|---|
| 55gr(4g)BT | 4,031ft/s(1,229m/s) | 1,985ft⋅lbf(2,691J) |
| 65gr(4g)VMax | 3,739ft/s(1,140m/s) | 2,018ft⋅lbf(2,736J) |
| 80gr(5g)SP | 3,485ft/s(1,062m/s) | 2,158ft⋅lbf(2,926J) |
| 95gr(6g)BT | 3,156ft/s(962 m/s) | 2,102ft⋅lbf(2,850J) |
| 105gr(7g)RNSP | 2,969ft/s(905m/s) | 2,056ft⋅lbf(2,788J) |
