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.257 Roberts Improved
Published on 10-22-2014 02:32 PM Number of Views: 11542LOAD DETAILS
GUN TYPE .257 Roberts Improved
FIREARM RIFLES LEAD TYPE RCBS CALIBER TYPE .257 AI RATING 9 LEAD SIZE 120 POWDER TYPE RX-7 POWDER AMOUNT 23 gr. PRIMER Win Large Pistol BRASS Remington/Winchester BARREL LENGTH 26" F.P.S 1925 fps GROUP SIZE 1/2" @50 yds. OVERALL LENGTH seated to touch lands GUN DETAILS 98 Mauser w/Shilen bbl. and 3-9 Simmons scope OTHER DESCRIPTION The difference between Winchester & Remington case capacity is signifigant enough to pay attention to! A top load in Winchester cases may indeed prove unsafe in a Remington case. SUBMITTED ON 27 Feb 2009 SUBMITTED BY Newtire Published on 10-22-2014 02:32 PM Number of Views: 13253LOAD DETAILS
GUN TYPE .257 Roberts Improved
FIREARM RIFLES LEAD TYPE RCBS gas checked wat CALIBER TYPE .257 Ackley Improved sized .258 RATING 9 LEAD SIZE 120 POWDER TYPE SR 4759 POWDER AMOUNT 22.0 gr. PRIMER Win Large Rifle Std. BRASS Winchester +P BARREL LENGTH 26 1/2 F.P.S 1900-1930 GROUP SIZE 1/2" @ 50 yds. 5-shots OVERALL LENGTH just touching lands GUN DETAILS Mauser 98 w/Shilen barrel. Barrel full length bedded. custom trigger. 3X9 Simmons scope. OTHER DESCRIPTION SUBMITTED ON 09 Apr 2009 SUBMITTED BY Newtire Published on 10-22-2014 02:31 PM Number of Views: 13321LOAD DETAILS
GUN TYPE .257 Roberts Improved
FIREARM RIFLES LEAD TYPE Hornady Spire Point CALIBER TYPE .257 AI RATING 9 LEAD SIZE 117 POWDER TYPE IMR 4831 POWDER AMOUNT 50.0 gr. PRIMER Winchester Large Rifle BRASS Winchester BARREL LENGTH 26" F.P.S 3025 fps GROUP SIZE .9" @ 100 yds. OVERALL LENGTH 3.044" GUN DETAILS Mauser 98 Sporter w/ Simmons 3-9 scope. OTHER DESCRIPTION SUBMITTED ON 27 Feb 2009 SUBMITTED BY Newtire Published on 10-22-2014 02:30 PM Number of Views: 13351LOAD 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 Published on 10-22-2014 02:29 PM Number of Views: 13317LOAD DETAILS
GUN TYPE .257 Roberts Improved
FIREARM RIFLES LEAD TYPE hp speer or berger m CALIBER TYPE 257 ackley improved RATING 9 LEAD SIZE 87 POWDER TYPE h414 POWDER AMOUNT 51.0 PRIMER cci benchrest BRASS win +p BARREL LENGTH 26in F.P.S 3450 GROUP SIZE avg.690 10 rounds OVERALL LENGTH GUN DETAILS built on a ruger m77 action douglas bbl. 1in12 twist ex.for varmits. OTHER DESCRIPTION SUBMITTED ON 26 Feb 2006 SUBMITTED BY dakota
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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 |
