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Warning: Bullet selections are specific, and loads are not valid with substitutions of different bullets of the same weight. Variations in bullet length will alter net case capacity,  pressure and velocity. Primer selection is specific and primer types are not interchangeable. These are maximum loads in my firearms and may easily be excessive in others. All loads should be reduced by 10%,  and developed following safe handloading practices as represented in established reloading manuals produced by component manufacturers. Presentation of these loads does not constitute a solicitation for their use, nor a recommendation.
 

Cartridge: 45 Colt – Ruger & T/C only

  Firearm: Ruger Bisley   Max COL: 1.600″
  Barrel: 7.5″   Reloading Dies: RCBS
  Max case length: .1.285″   Group distance: 25 yards
 Note:  Maximum possible COL used is 1.700″. 

Bullet Type Bullet
Weight
Bullet
Diameter
C.O.L. Net Water
Capacity
Powder
Type
Charge Primer
Type
Muzzle
Velocity
Muzzle
Energy
Group
Size
Sierra JHC 240 .4515″ 1.600″ 28.6 2400 21.3 CCI 300 1330 943 1.6
Sierra JHC 240 .4515″ 1.600″ 28.6 Blue Dot 16.4 CCI 300 1260 846 1.8
Sierra JHC 240 .4515″ 1.600″ 28.6 Unique 11.8 CCI 300 1300 901 1.2
Nosler HP 250 .451″ 1.610″ 27.3 2400 20.5 CCI 300 1195 793 1.8
Nosler HP 250 .451″ 1.610″ 27.3 Unique 11.6 CCI 300 1285 917 1.7
Nosler HP 250 .451″ 1.610″ 27.3 IMR 4227 25.4 CCI 300 1225 833 1.4
Hornady 250 .452″ 1.595″ 27.2 2400 21.2 CCI 300 1200 800 0.6
Hornady 250 .452″ 1.595″ 27.2 IMR 4227 24.7 CCI 300 1305 946 0.9
Hornady 250 .452″ 1.595″ 27.2 AA #9 20.6 CCI 300 1310 953 0.9
RCBS 45-255-SWC 255 .454″ 1.580″ 20.8 2400 18.2 CCI 350 1280 928 2.2
RCBS 45-255-SWC 255 .454″ 1.580″ 20.8 H 110 20.5 CCI 350 1315 979 1.9
RCBS 45-255-SWC 255 .454″ 1.580″ 20.8 W 296 21.5 CCI 350 1230 857 3.0
RCBS 45-255-SWC 255 .454″ 1.580″ 20.8 RS Enforcer 18.7 CCI 350 1310 972 1.6
Speer JHP 260 .451″ 1.590″ 26.8 2400 18.4 CCI 300 1260 917 1.0
Speer JHP 260 .451″ 1.590″ 26.8 Win 296 21.5 CCI 350 1215 852 0.8
Speer JHP 260 .451″ 1.590″ 26.8 Win 231 10.5 CCI 300 1170 790 1.3
Hornady HP-XTP 300 .452″ 1.660″ 24.0 2400 18.0 CCI 300 1260 1058 1.9
Hornady HP-XTP 300 .452″ 1.660″ 24.0 Win 296 22.5 CCI 350 1245 1033 1.5
Speer SP 300 .451 1.595 25.3 No. 9 19.0 CCI 300 1270 1075 1.3
Speer SP 300 .451 1.595 25.3 H110 24.0 CCI 350 1165 904 1.8
Speer SP 300 .451 1.595 25.3 Win 296 23.4 CCI 350 1210 976 1.8