460 ROWLAND 255 gr. HC-FN 1300fps / 957ft. lbs.
Press Release for Buffalo Bore 460 Rowland Ammunition
Again, as a result of popular demand, Buffalo Bore has added a new cartridge to its line—the 460 Rowland.
The 460 Rowland, as we load it, is squarely at mid 44 magnum power levels. This means that a person can now carry a 1911 style combat pistol that has the power of a 44 mag. revolver, but is slimmer, faster to reload, faster to shoot and holds nine rounds instead of a revolver’s six. The 460 Rowland casing is simply a 45 ACP case that has been slightly lengthened so it won’t chamber in a 45 ACP chamber. It also has a stronger web area in the casing, so as to avoid "blow outs".
To acquire 460 Rowland test guns, I sent two of my 1911 45 acp pistols to Clark Custom Guns and had them install their 460 Rowland conversion kits. To date the converted 1911’s work great. I can fire a 255gr. hard cast bullet @ 1300 fps or a 230gr. FMJ-FN bullet @ 1350 fps. What a great "woods" pistol that still maintains combat pistol qualities.
We are using flash suppressed powders in each 460 Rowland load, so that if you have to shoot a bear or “bad guy” in the dark, the muzzle flash will not blind the shooter and we feel this feature is a big tactical advantage as most civilian shootings in America, occur in low light and we are willing to bet that most emergency wildlife shootings in the wilderness will be in low light too.
Note my real world velocities, below, from real world pistols, not laboratory test barrels.
Colt series 70 govt. mod. 5 inch with Clark 460 conversion
a) 1524 fps - 954 ft. lbs. - Item # 35A - 185gr. JHP
b) 1347 fps - 926 ft. lbs. -Item # 35B - 230gr. JHP
c) 1345 fps - 924 ft. lbs. - Item # 35C - 230gr. FMJ-FN
d) 1300 fps - 957 ft. lbs. - Item # 35D - 255gr. HC-FN
Colt 2009 circa Gold Cup govt. Mod. 5 inch with Clark 460 conversion
a) 1527 fps - 958 ft. lbs. - Item # 35A - 185gr. JHP
b) 1351 fps - 932 ft. lbs. - Item # 35B - 230gr. JHP
c) 1353 fps - 935 ft. lbs. - Item # 35C - 230gr. FMJ-FN
d) 1298 fps - 954 ft. lbs. - Item # 35D - 255gr. HC-FN
It should be noted that my 460 Rowland conversions are Clark Custom conversions. I did not try this ammunition in conversions manufactured by anyone other than Clark. This ammunition was reliable and safe in my test conversions, but I cannot verify the reliability or safety of this ammunition in conversions done by anyone other than Clark Custom.
Item 35D - Exterior Ballistics Charts for several Muzzle Velocities
Muzzle Velocity @ 1500 fps for Item 35D
Muzzle Velocity @ 1400 fps for Item 35D
Muzzle Velocity @ 1300 fps for Item 35D
Muzzle Velocity @ 1200 fps for Item 35D
Muzzle Velocity @ 1100 fps for Item 35D
Field Proven pistol and handgun ammo. Maximum firepower ammo. Best ammunition for pistols and handguns for sale. Buffalo Bore. Strictly big bore. Strictly Business.
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