Some of the best all-around guns are sometimes the ones that are overlooked. Also check out the 7mm-08, 260, and 243, they are based on the 308 case. The .308 was designed to be efficient in 20" to 22" barrels. The shell casing was designed to ease case extraction and cartridge feeding in bolt action rifles as well as machine guns. .308 Winchester Overview. For case dimensions such as the 7mm08 (plus the .308 and .243), there's not much velocity difference between 22" and 24". For example, Federal Premium’s American Eagle 55-grain FMJ-BT cartridge, when zeroed to 100 yards, drops 2.7 inches after 200 yards. The following ammunition cartridge ballistics information and chart can be used to approximately compare .22-250 Remington vs .308 Winchester ammo rounds. Because it has a lighter bullet and faster speeds, the .223 Winchester usually maintains a flatter trajectory. Some calibers need the barrel length to really gain the pros of the caliber. 24" and 26" barrels do make a difference for those cartridges which are slightly overbore, such as those whose cases are similar to the '06. If your shoulder will take it, the 30-06 will do slightly better than a 308 at 1000 yards. This means that the momentum of a rifle's reaction will exactly equal the momentum of the bullet and powder gasses ejected from the barrel. This is an eight-shot, double-action .22 revolver that features an almost entirely alloy construction. For every action there is an equal and opposite reaction; that is one of the physical laws of our universe. You are going to have to first compare accuracy potential of both 308 and 22 mag. In 1952, Winchester commercially released the .308 round along with chambering its Model 70 and Model 88 rifles for the cartridge. Ruger 10/22 .22LR Rifle Unsuppressed Firing CCI standard velocity ammo Remington ZOO LTR Suppressed Firing .308 Federal Gold Medal Match 168gr BTHP AR-15, Barrel Suppressed Firing 55gr FMJ Glock GIZ 9mm Suppressed Firing Remington UMC 147gr ammo Walther P22 .22LR Pistol, Suppressed Firing CCI standard velocity ammo Ruger 10/22 .22LR Rifle Choice .22 LR Guns. Then onto wind drift comparison of both on a ballistic app. 1,000 yards is probably a bit of a stretch for a 22 cal bullet. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, o The 308 will reach to 1000. If I'm going to shoot a 24" barrel it's going to be in a hot flat cartridge. For starters, 18-22” barrels are the norm, although rifles made for long range shooting may have longer barrels still.Under 18” and you start wasting powder and don’t develop the full potential of the .308 round. 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