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Home » Ammunition » Pistol | Rifle Ammo » Shop Centerfire Ammo by Brands » Buffalo Bore Ammunition
Wednesday 26 October, 2016  

Buffalo Bore Handgun Ammunition 31A/20, 45 Auto Rim, Hollow Core Flat Nose (FN), 255 GR, 850 fps, 20 Rd/Bx

MPN:  31A/20 UPC:   651815632919
Buffalo Bore Handgun Ammunition 31A/20, 45 Auto Rim, Hollow Core Flat Nose (FN), 255 GR, 850 fps, 20 Rd/Bx
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$31.44 - $298.70

Box $31.44
10+ Boxes $29.87 each

.45 Auto Rim Standard Pressure Ammo - 255 gr. H.C. F.N., 850 fps/ M.E. 409 ft. lbs, 20 Rd/Bx


You've been asking for a couple heavy 45 AUTO RIM standard pressure loads, so by popular demand, here they are. Both of these loads utilize high quality Starline brass. We've also incorporated flash suppressed powder so you can shoot in the dark without blinding yourself and this is important because over 95% of all civilian shootings in the USA occur in low light when the criminal element is at work. Both of these loads are the ballistic equivalent of +P 45 ACP loads, yet they operate at standard 45 ACP pressures. These loads are safe to use in ANY 45 ACP revolver that is in normal operating condition, including ANY model 1917 Colt or S&W revolver.

Check out the below velocities fired from personal real world revolvers, NOT test barrels. You'll notice that the new S&W 4 inch MT Gun gives velocities almost as fast as the older S&W revolvers with 5.5 inch and 6.5 inch barrels. This is not a typo. It simply shows that the new S&W revolvers are made to much tighter tolerances than the older S&W revolvers and therefore give higher velocities per inch of barrel.

Item # 31A - 255gr. hard cast flat nose bullet
S&W Mountain Gun, 4 inch bbl = 869 FPS
S&W Model 325, scandium, 2.5 inch bbl = 795 FPS
S&W Model 1917, 1937 production, 5.5 inch bbl = 880 FPS
S&W 1955 Target, 25-2, 6.5 inch bbl = 875 FPS

Item # 31A was designed for deep penetration with no bullet expansion. It will shoot through stick frame and dry wall construction walls and through both doors on a 2003 Dodge Ram or through a black bears skull, etc. It was designed for, among other things, outdoor use including black bear protection. Expect around 27 inches of penetration through live flesh and bone.

Item 31A - Exterior Ballistics Charts for several Muzzle Velocities


Muzzle Velocity @ 1100 fps for Item 31A

Muzzle Velocity @ 1000 fps for Item 31A

Muzzle Velocity @ 1000 fps for Item 31A

Muzzle Velocity @ 900 fps for Item 31A

Muzzle Velocity @ 800 fps for Item 31A

Muzzle Velocity @ 700 fps for Item 31A

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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