![243 remington rifle 243 remington rifle](https://portal-images.azureedge.net/auctions-2021/bauer-10002/images/38a49178-b98e-436e-9c96-aced01707dcf.jpg)
The 6mm Remington also includes 65,000 psi maximum Sporting Arms and Ammunition Manufacturer’s Institute pressures over the. 243 Winchester translates into 4 to 5 inches less drop and a couple of inches less wind drift at 500 yards. That seemingly insignificant increase in velocity over the. A four-percent increase in case capacity, that longer neck and 1:9 twist allowed seating long-for-caliber bullets over larger charges of slow-burning powders without intruding into powder space. 243 Winchester is inherently more accurate than the 6mm Remington is simply repeating tired dogma gleaned from ancient reports. 243 Winchester) for more consistent bullet tension, a steeper 26-degree shoulder to reduce case stretching and allow more efficient powder consumption and an additional 150 to 200 fps velocity while maintaining equal accuracy. 243 Winchester would do, but only better, including compatibility in short actions, a longer neck (.351 inch 6mm Remington versus. This allowed the 6mm Remington to do anything the. 244 Remington a new 6mm Remington name and adding a 1:9 twist in newly-released Remington Model 700 rifles. This gave Winchester a head start, despite the fact that Remington rectified the situation in 1963 by giving the. 243 with a 1:10 twist, allowing it to reliably stabilize streamlined 100- to 105-grain bullets better suited to big game, making it ideal for crossover varmint/deer-hunting duties for one-rifle owners.
![243 remington rifle 243 remington rifle](https://dechielfirearms.com/WordPress/wp-content/uploads/IMG_6312-2.jpg)
(For the record, I have assembled tight groups from a 722 with classic cup-and-core 100-grain bullets.) The same year, Winchester introduced its. All load velocities were established using a LabRadar unit, which uses Doppler radar to track bullet velocity and therefore doesn’t require bright sunlight to operate.round – added a 1:12 twist suitable for stabilizing only lighter bullets in those Model 722 rifles.