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  • 257 (number) - Wikipedia
    257 (two hundred [and] fifty-seven) is the natural number following 256 and preceding 258 257 is a prime number of the form specifically with n = 3, and therefore a Fermat prime Thus, a regular polygon with 257 sides is constructible with compass and unmarked straightedge It is currently the second largest known Fermat prime [1]
  • A Classic Returns In . 257 Roberts - American Rifleman
    Often overshadowed by the 6 mms, the 257 Roberts is a 25-caliber round that started as a wildcat, but is now being reintroduced in the Model 70
  • Load The . 257 Roberts - Handloader Magazine
    The 257 Roberts is one of those cartridges that has a storied history in cartridge development Noted gun and cartridge experimenter – Dr Franklin Mann – was indeed a very important part of the 25-caliber concept
  • . 257 Roberts: Is It Time To Bury Ol Bob? - Gun Digest
    Modern 257 Roberts +P satisfies the 1,000-foot-pound minimum for big game out to 500 yards, and when zeroed for maximum point-blank range it can hit within 3 5 inches of point of aim to 300 yards If that is, you could ever find any ammo to buy What Is 257 Roberts Good For?
  • 257
    Most energy companies would like to understand their customers better 257 uses data and machine learning to bridge this gap – we help utility, retail electric, solar and HVAC companies guide customers on their electrification journey
  • In Stock 257 Roberts Ammunition - AmmoBuy
    Find in stock 257 roberts ammo from the top online retailers to find the lowest price Find Bulk 257 roberts ammunition fast and cheap with our ammunition search engine
  • The . 257 Roberts - CHUCKHAWKS. COM
    The fine 257 Roberts is based on a necked-down 7mm Mauser case, and was legitimized by Remington in 1934 From then until the introduction of the hot 243 Winchester and 244 6mm Remington in 1955, the 257 was the top selling combination varmint deer cartridge
  • . 257 Roberts Ballistics - GunData. org
    The 257 Roberts factory loads are available on the commercial market inside the U S by manufacturers such as Olin, Hornady, and Federal Hand loading brass has been more effective increasing velocity on rounds and can be purchased from Hornady, Sierra, and Federal
  • What caliber is . 257 Roberts? | [May Updated] - TheGunZone
    The 257 Roberts was introduced in the 1930s by Remington Arms What are the advantages of the 257 Roberts? The caliber is known for its flat trajectory, moderate recoil, and superior accuracy
  • . 257 Roberts - BallisticStudies. com
    The 257 Roberts is a low recoiling, mild powered cartridge 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





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