The Buffalo Bore Ammunition 31A20 Standard Pressure Strictly Business 45 Auto Rim 255gr Hard Cast Flat Nose load is built for shooters who want dependable big-bore performance in revolvers chambered for 45 ACP with Auto Rim brass. Using quality Starline brass and a 255 grain hard cast flat nose bullet, this standard pressure load is engineered to match the ballistics of many +P 45 ACP offerings while staying within traditional 45 ACP pressure limits.

This cartridge is ideal for range work, field carry, and general-purpose use in any 45 ACP revolver in normal operating condition, including classic 1917-style Colt and S&W models. With a listed muzzle velocity of 850 fps and muzzle energy of 409 ft lbs, it offers a solid blend of controllability and authority, backed by Buffalo Bore’s focus on heavy, big-bore handgun ammunition.

Key Features:

• Manufacturer: Buffalo Bore Ammunition
• Model: 31A20 Standard Pressure Strictly Business
• Caliber: 45 Auto Rim
• Grain Weight: 255 gr
• Bullet Type: Hard cast flat nose
• Muzzle Velocity: 850 fps
• Muzzle Energy: 409 ft lbs
• Rounds Per Box: 20