What is a 257 Ackley?

What is a 257 Ackley?

The 257 Improved is a fine performer, adding up to 100 fps velocity over its factory cousin. One of its advantages, Ackley noted, is the fact that 257 Roberts factory ammunition can be used in an improved rifle if necessary. Other 25 caliber wildcats are not this flexible.

What is the effective range of a 257 Roberts?

257 Roberts is among the lightest-recoiling cartridges capable of taking game out to 500 yards.

What is a 25 06 Ackley Improved?

25-06 improved worth the work of forming cases and handloading. The heavy rifle shot three-round groups between 1.5 and 2.0 inches at 100 yards with the case forming loads. The first bullets hit somewhat low at 100 yards.

How fast is a 257 Roberts?

257 Roberts is the Remington. This company currently produce a single load for the Roberts, the 117 grain Core-Lokt at 2650fps.

What is a 280 Ackley Improved?

280 Ackley Improved is the steeper 40 degree, which lengthens the case body and allows for about 5 percent more powder capacity. This sharper shoulder can also increase case life, which is a good thing for the handloader. In a pinch (read lost luggage), . 280 Rem.

What is a 257 Roberts compared to?

257 Roberts fits very neatly into any magazine designed for the 7×57 Mauser.

Is the 257 Roberts obsolete?

Though in some circles the 257 Roberts may be considered an obsolete cartridge overshadowed by several other cartridges, several times over past decades the Roberts has experienced a resurgence of interest. My own nostalgic 257 Roberts was chambered in the 1983 Remington Classic Model 700 rifle.

What is 257 Roberts +P ammo?

With a modern action and handloading, this cartridge is capable of markedly improved performance. One of the common improvements is called the . 257 Roberts +P which has a SAAMI maximum pressure limit of 58,000 psi (400 MPa) compared to the 54,000 psi (370 MPa) listed for the standard . 257 Roberts.

What is the best mule deer caliber?

270 Winchester is arguably the best caliber for deer in North America. The 270 Winchester Short Magnum (270 WSM) fires the same . 277” diameter projectiles as the . 270 Winchester, but the 270 WSM has a shorter and fatter case that can hold a little more powder.

How hard does a 257 Weatherby kick?

257 Weatherby Magnum has recoil energy of 15.73 foot-pounds when a 100-grain projectile moving at 3,580 feet per second is fired through an eight-pound rifle. The Weatherby Vanguard with scope attached weighs about 8-3/4 pounds, so the math is pretty close. Felt recoil is less than most .

What is the barrel life of a 257 Weatherby?

If barrel life is a worry, the . 257 Wby has an average life of 1500 rounds against about 3000 for the others.

What primer does 257 Roberts use?

large rifle
257 Roberts, also known as . 257 Bob, is a medium-powered .