• .257 Roberts Improved-Newtire

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    Published on 10-22-2014 02:30 PM  Number of Views: 13684  

     LOAD DETAILS
     GUN TYPE   

    .257 Roberts Improved
     FIREARM  RIFLES
     LEAD TYPE   Cramer gas checked
     CALIBER TYPE   .257 AI
     RATING   9
     LEAD SIZE   100
     POWDER TYPE   RX-7
     POWDER AMOUNT   23.0 gr.
     PRIMER   Win Large Pistol
     BRASS   Win/Rem
     BARREL LENGTH   26"
     F.P.S   1950 fps
     GROUP SIZE   1/2" @ 50 yds.
     OVERALL LENGTH   seated to touch rifling
     GUN DETAILS   98 Mauser sporter with Simmons 3-9 scope and Shilen bbl.
     OTHER DESCRIPTION  
     SUBMITTED ON   27 Feb 2009
     SUBMITTED BY   Newtire

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check        

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