
Availability: In Stock
Current Stock: Out of stock
Buffalo Bore Ammunition's Personal Defense Strictly Business line delivers the stopping power serious shooters demand from their 45 Auto Rim handguns. This 32A20 loading pairs a heavy 255-grain hard cast flat nose projectile with a +P pressure rating, engineered for shooters who need reliable performance when it matters most. Whether you're carrying a vintage wheelgun or a modern 45 Auto Rim revolver, this ammunition is designed to function with authority and consistency.
The hard cast construction sets this round apart from softer alternatives. A flat nose profile aids feeding reliability and creates a larger wound channel than rounded designs—key considerations for personal defense ammunition. Buffalo Bore's reputation rests on meticulous quality control and real-world testing, not marketing hype. These cartridges are loaded to exacting standards and perform exactly as described on the box.
Each box contains 20 rounds, and this listing includes a full case of 12 boxes—ideal for serious practice, training courses, or maintaining a reliable defensive supply. If you shoot a 45 Auto Rim revolver and prioritize ammunition that combines proven hard cast bullet technology with proven Buffalo Bore reliability, this is ammunition worth considering.
| Caliber | 45 Auto Rim |
| Bullet Weight | 255 grains |
| Bullet Type | Hard Cast Flat Nose (HCFN) |
| Pressure Rating | +P |
| Rounds Per Box | 20 |
| Boxes Per Case | 12 |
| Total Rounds Per Case | 240 |
| Product Code | 32A20 |
45 Auto Rim is a rimmed cartridge designed for revolvers, particularly vintage and modern models chambered specifically for this round. Confirm your revolver's chamber marking before purchasing—45 Auto Rim is distinct from 45 ACP and other 45 variants. If you're unsure, check your revolver's barrel or consult the manufacturer's documentation.
+P indicates ammunition loaded to higher pressure specifications for increased velocity and energy. Not all revolvers are rated for +P loads. Verify your revolver is +P certified before using this ammunition—check the barrel marking or owner's manual. Using +P ammunition in a revolver not rated for it can cause damage and create safety hazards.
Hard cast bullets resist deformation and provide consistent penetration, which are desirable traits in defensive ammunition. The flat nose profile enhances feeding reliability in some revolvers and creates a larger wound channel than rounded designs. Buffalo Bore's hard cast ammunition is designed for real-world reliability and performance.
This listing is a full case containing 12 boxes of 20 rounds each, for a total of 240 rounds of 45 Auto Rim +P ammunition.

SKU: 119715599 • Width: 4.1in • Height: 2.5in • Depth: 4.2in • Weight: 1.1oz





Availability: In Stock
Current Stock: Out of stock
Buffalo Bore Ammunition's Personal Defense Strictly Business line delivers the stopping power serious shooters demand from their 45 Auto Rim handguns. This 32A20 loading pairs a heavy 255-grain hard cast flat nose projectile with a +P pressure rating, engineered for shooters who need reliable performance when it matters most. Whether you're carrying a vintage wheelgun or a modern 45 Auto Rim revolver, this ammunition is designed to function with authority and consistency.
The hard cast construction sets this round apart from softer alternatives. A flat nose profile aids feeding reliability and creates a larger wound channel than rounded designs—key considerations for personal defense ammunition. Buffalo Bore's reputation rests on meticulous quality control and real-world testing, not marketing hype. These cartridges are loaded to exacting standards and perform exactly as described on the box.
Each box contains 20 rounds, and this listing includes a full case of 12 boxes—ideal for serious practice, training courses, or maintaining a reliable defensive supply. If you shoot a 45 Auto Rim revolver and prioritize ammunition that combines proven hard cast bullet technology with proven Buffalo Bore reliability, this is ammunition worth considering.
| Caliber | 45 Auto Rim |
| Bullet Weight | 255 grains |
| Bullet Type | Hard Cast Flat Nose (HCFN) |
| Pressure Rating | +P |
| Rounds Per Box | 20 |
| Boxes Per Case | 12 |
| Total Rounds Per Case | 240 |
| Product Code | 32A20 |
45 Auto Rim is a rimmed cartridge designed for revolvers, particularly vintage and modern models chambered specifically for this round. Confirm your revolver's chamber marking before purchasing—45 Auto Rim is distinct from 45 ACP and other 45 variants. If you're unsure, check your revolver's barrel or consult the manufacturer's documentation.
+P indicates ammunition loaded to higher pressure specifications for increased velocity and energy. Not all revolvers are rated for +P loads. Verify your revolver is +P certified before using this ammunition—check the barrel marking or owner's manual. Using +P ammunition in a revolver not rated for it can cause damage and create safety hazards.
Hard cast bullets resist deformation and provide consistent penetration, which are desirable traits in defensive ammunition. The flat nose profile enhances feeding reliability in some revolvers and creates a larger wound channel than rounded designs. Buffalo Bore's hard cast ammunition is designed for real-world reliability and performance.
This listing is a full case containing 12 boxes of 20 rounds each, for a total of 240 rounds of 45 Auto Rim +P ammunition.
SKU: 119715599 • Width: 4.1in • Height: 2.5in • Depth: 4.2in • Weight: 1.1oz
