bullets to match. short actioned, 22" barreled 257 Roberts for carrying and a 24-26" barreled, 8-9lb. In a short action, it has the potential for a suitable youth rifle but without care towards optimizing hand loads, can lack the power with many 117 to 120 grain loads to be of any great advantage over the more common .243. The 257 Roberts is one of two .25 caliber cartridges used for daily production testing in the Nosler Ballistics Lab. While there are certainly faster .25s—like the .25-06 Remington and .257 Weatherby Magnum —the .257 Roberts is one of those sweet-shooting, yet effective cartridges that can handle appropriate game species out to sane hunting ranges. Is it better to neck up 6mm or neck down 7x57? It's a bit big for a traditional varmint rifle but would be very effective on coyote sized varmints. The .25s have been American favorites for over a century, dating back to the .25-35 and .25-20 Winchester cartridges; by the time the .250-3000 Savage and .257 Roberts hit the scene, hunters were totally hooked. The .257 was designed to run in a bolt gun, and any receiver that was designed for the 7x57mm Mauser will handle the .257 Roberts perfectly. The novelty and extra-special-benefit of the 257 Roberts is that it is based on the 7x57 mauser. Like the 6mm Remington, the .257 Roberts case has the capacity to allow it to get the most out of a .25 caliber bullet without getting into an overbore situation. .257 Roberts +P. Will i need to neck turn or fire form or anything? It is a great, low recoil, smooth option.

In the real world, firearms chambered for less powerful cartridges are typically built lighter than firearms chambered for more powerful cartridges.

6.5 GRENDEL ... 308 WINCHESTER 30-06 SPRINGFIELD 30-06 SPRINGFIELD ACK 30-338 (NO FIT) 308 NORMA MAG 300 WIN MAG They all have a Base brass thickness of.037" and a Shoulder thickness of.018", which are exactly the same as the 257 Roberts. The .257 is a great round with very minimal recoil, however, the .243 is hard to beat. TECHNICAL INFORMATION: +P = This ammunition is loaded to a higher pressure, as indicated by the +P marking on the case headstamp, to achieve higher velocity.Use only in firearms especially designed for this cartridge and so recommended by the manufacturer. 25-06 for stuff out yonder. Do not forget that rifle weight is a crucial factor in the recoil equation, inversely proportional to recoil. Like most shooters, I have a few favorite calibers. The .257 Roberts: A Mild But Capable Legend. It shoots 1-inch groups at 100 yards, with about any 100-grain bullet. The .257 Roberts is a low recoiling, mild powered cartridge. Increase the gun weight by, say, 25% and the recoil goes down by 25%. The .257 Roberts was designed in the 1920s when wildcatter Ned Roberts started to do experiments on the .257 caliber cartridges.