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n. 无生育能力的人

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  • 4 grove vs 2 grove barrel for 1903a3 Springfield rifle?
    a 1903 springfield aficionado I know replaced a 2 groove barrel with a 4 groove barrel and found the 2-groove more accurate If you are going for a period accurate barrel, you could look up the serial number of the receiver and relate the production date of the barrel to it
  • 4-groove vs 2-groove in 1903-A3 - MDShooters
    The seller said it was a 4-groover, but, upon arrival, although it is NOS, it's clearly 2-groove So I'm trying to decide whether it's worth returning the barrel and trying to find another NOS 4-groove, preferably a Smith-Corona to match the gun?
  • 2- groove vs 4-groove barrel | Military Surplus Collectors Forums
    Well, of course, time is money but the real reason for going from 4 groove to 2 groove was to boost production throughput by saving machine and operator time When ordnance determined that accuracy and useful life did not suffer they made the number of grooves optional
  • What to look for when purchasing a 1903A3 rifle - Cast Bullet Forum
    Won the 2015 CBA Nationals with a Remington 03A3 It had a two groove barrel that was not perfect, but smooth A few hundred round of military ball will smooth everything out Spend the money to get an action with a barrel date close to the action, an original barrel
  • 2 groove or 4 groove help please | M14 Forum
    Theres no effective difference in accuracy between the 2 groove and the 4 groove barrels
  • 03A3 Springfield (Remington) - Beware of scammers.
    After the British success with the 2 groove barrel experimentation, Remington conducted a thorough testing program which concluded the 2 groove rifling was possibly even better than 4 groove
  • Two vs Four or more Groove bores,. . . accuracy expected?
    Many tests have been done over the years to compare the 2 groove vs 4 groove barrels and accuracy was found to be about the same with either The 2 groove barrels were faster to produce with equivalent accuracy and also seemed to have a longer life
  • Accurate 1903A3 | Snipers Hide Forum
    But the CMP considers and 'A3 an A3 so you can build a M1903A4 on any 1903A3 action The closest thing I did to "match" the rifle was to square the front of the receiver with the threads The SC action is quite hard You have to be careful in drilling and tapping the scope screw holes
  • A Second-Generation Springfield — The M1903A3 - The Armory Life
    To preempt fears that this change to the barrel would affect accuracy, 03A3 rifles were often shipped with documentation that the two-groove barrels did not represent an appreciable decline in effectiveness
  • bullet weights for the 03A3 - The Firearms Forum
    Short answer: try bullets in the 165 to 180 grain range for best accuracy All M1903, M1903A3 and M1 military barrels were manufactured with 1-10" twist The two groove 03A3 barrels were made to cut cost and time during wartime manufacture and don't work quite as well as the 4 and 6 groove





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