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45 Colt Ammunition | 45 Long Colt Ammo from Top Brands, Like Hornady, Winchester, Ammo, Inc., & More — 59 products / 61 models

Although 45 Colt Ammunition was originally introduced in the 1870s, it has maintained the spirit of that time. Gunmakers have kept it alive by introducing revolvers chambered for 45 Long Colt ammo as either replicas of Old West handguns or a newer breed of self-defense guns. You'll often find it as the iconic Colt Single-Action Army revolver or something like the Taurus Judge, which allows you to load both .45 LC and .410 shot shells. But you can also find .45 Long Colt ammo chambered for popular lever-action and novelty rifles as well.image

Besides self-defense, .45 Long Colt firearms are popular among today's shooters for cowboy-action competition shooting and hunting small to medium game, depending on the firearm, at short range. On paper, 45 LC ammo with 225-grain bullets has a muzzle velocity of 960 feet-per-second with 460 foot-pounds of energy. At 50 yards, velocity drops to 895 fps with 400 ft-lbs of energy. This is still plenty of power to take down varmints, nuisance animals, rabbits, and more, especially when you pair your firearm with a reliable optic.

Shop 45 Colt Ammunition Today!

Check out .45 Long Colt ammo by top brands like Hornady 45 Colt, Winchester 45 Colt Ammunition, Ammo, Inc. 45 Colt Ammunition, and more on OpticsPlanet! We have a variety of ammo in stock as well as thousands of other products that you can browse on our top-rated mobile app and website today! Plus, we offer free shipping for most orders $49 or more. Buy 45 Colt ammo and more handgun ammo today!

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59 Products in 45 Colt Ammunition

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Image of Hornady LEVERevolution .45 Colt 225 Grain Flex Tip eXpanding Centerfire Pistol Ammunition 2 models Hornady LEVERevolution .45 Colt 225 Grain Flex Tip eXpanding Centerfire Pistol Ammunition (1) As Low As (Save Up to 35%) $26.49 $1.26 - $1.32/Round Blazin' Deal
Image of Winchester Super-X Handgun .45 Colt 255 grain Lead Round Nose Brass Cased Centerfire Pistol Ammunition Winchester Super-X Handgun .45 Colt 255 grain Lead Round Nose Brass Cased Centerfire Pistol Ammunition, 20, LRN (4) List: $31.99 (Save 31%) $22.16 $1.11/Round Blazin' Deal
Image of CCI Ammunition Blazer Aluminum .45 Colt 200 Grain Jacketed Hollow Point Centerfire Pistol Ammunition CCI Ammunition Blazer Aluminum .45 Colt 200 Grain Jacketed Hollow Point Centerfire Pistol Ammunition, 50, JHP (1) List: $99.99 (Save 33%) $67.36 $1.35/Round Blazin' Deal
Image of Ammo, Inc. .45 Long Colt 250 Grain Jacketed Hollow Point Brass Cased Centerfire Pistol Ammunition made-in-usa-flag Ammo, Inc. .45 Long Colt 250 Grain Jacketed Hollow Point Brass Cased Centerfire Pistol Ammunition, 20, HP (4) List: $34.99 (Save 22%) $27.29 $1.36/Round Blazin' Deal
Image of Ammo, Inc. Streak 45 COLT 250 Grain TMC FMJ w/Streak Brass Cased Ammunition Ammo, Inc. Streak 45 COLT 250 Grain TMC FMJ w/Streak Brass Cased Ammunition, 50, FMJ (1) List: $55.46 (Save 20%) $44.39 $0.89/Round
Image of Winchester Big Bore 45 Colt 250 Grain Jacketed Soft Point Brass Pistol Ammunition Winchester Big Bore 45 Colt 250 Grain Jacketed Soft Point Brass Pistol Ammunition, 20, JHP List: $58.99 (Save 27%) $43.19 $2.16/Round Blazin' Deal
Image of Remington Performance Wheelgun .45 Colt 225 Grain Lead Semi-Wadcutter Centerfire Pistol Ammunition Remington Performance Wheelgun .45 Colt 225 Grain Lead Semi-Wadcutter Centerfire Pistol Ammunition, 50, LSWC List: $73.99 (Save 18%) $60.69 $1.21/Round
Image of Ammo, Inc. Signature .45 Colt 250 grain Total Metal Jacket Brass Cased Centerfire Pistol Ammunition made-in-usa-flag Ammo, Inc. Signature .45 Colt 250 grain Total Metal Jacket Brass Cased Centerfire Pistol Ammunition, 50, FMJ (9) List: $50.69 (Save $1.40) $49.29 $0.99/Round Best Rated
Image of Winchester Super-X Handgun .45 Colt 250 grain Lead Flat Nose Brass Cased Centerfire Pistol Ammunition Winchester Super-X Handgun .45 Colt 250 grain Lead Flat Nose Brass Cased Centerfire Pistol Ammunition, 50, LFN (1) List: $83.99 (Save 29%) $59.39 $1.19/Round Blazin' Deal
Image of Federal Premium American Eagle Handgun 45 Colt 225 Grain Jacketed Soft Point Brass Cased Centerfire Pistol Ammunition Federal Premium American Eagle Handgun 45 Colt 225 Grain Jacketed Soft Point Brass Cased Centerfire Pistol Ammunition, 50, JSP (1) List: $80.99 (Save 18%) $66.29 $1.33/Round
Image of Underwood Ammo .45 Colt 250 Grain Full Metal Jacket Nickel Plated Brass Cased Pistol Ammunition Underwood Ammo .45 Colt 250 Grain Full Metal Jacket Nickel Plated Brass Cased Pistol Ammunition, 50, FMJ List: $49.99 $49.49 $0.99/Round
Image of Fiocchi Range Dynamics .45LC 225 Grain CMJ Brass Pistol Ammunition Fiocchi Range Dynamics .45LC 225 Grain CMJ Brass Pistol Ammunition, 50, FMJ List: $84.49 (Save 38%) $51.99 $1.04/Round
Image of Ammo, Inc. Streak 45 COLT 250 Grain TMC FMJ w/Streak Brass Cased Pistol Ammunition Ammo, Inc. Streak 45 COLT 250 Grain TMC FMJ w/Streak Brass Cased Pistol Ammunition, 50, FMJ List: $55.46 (Save 20%) $44.29 $0.89/Round
Image of Fiocchi Cowboy Action .45 Colt 250 Grain Lead Round Nose Flat Point Brass Cased Centerfire Pistol Ammunition Fiocchi Cowboy Action .45 Colt 250 Grain Lead Round Nose Flat Point Brass Cased Centerfire Pistol Ammunition, 50, LRNFP List: $55.80 $54.99 $1.10/Round
Image of Federal Premium Champion .45 Colt 225 Grain Semi-Wadcutter Hollow Point Centerfire Pistol Ammunition Federal Premium Champion .45 Colt 225 Grain Semi-Wadcutter Hollow Point Centerfire Pistol Ammunition, 20, SWCHP List: $47.99 (Save 22%) $37.59 $1.88/Round
Image of Fort Scott Munitions .45 Colt 225 Grain SCS Solid Copper Spun Brass Cased Rifle Ammunition Fort Scott Munitions .45 Colt 225 Grain SCS Solid Copper Spun Brass Cased Rifle Ammunition, 20 List: $35.69 $34.79 $1.74/Round
Image of Grizzly Cartridge 45 Colt 265 Grain Wide Flat Nose Gas Checked Pistol Ammunition Grizzly Cartridge 45 Colt 265 Grain Wide Flat Nose Gas Checked Pistol Ammunition, 20 (1) List: $41.99 $41.89 $2.09/Round Final Sale
Image of Underwood Ammo .45 Colt 250 Grain Jacketed Hollow Point Nickel Plated Brass Cased Pistol Ammunition Underwood Ammo .45 Colt 250 Grain Jacketed Hollow Point Nickel Plated Brass Cased Pistol Ammunition, 20, JHP List: $28.99 $28.69 $1.43/Round
Image of Hornady Critical Defense .45 Colt 185 Grain Flex Tip eXpanding Centerfire Pistol Ammunition Hornady Critical Defense .45 Colt 185 Grain Flex Tip eXpanding Centerfire Pistol Ammunition, 20 (1) List: $43.99 (Save 30%) $30.59 $1.53/Round
Image of Underwood Ammo .45 Colt 225 Grain Coated Soft Cast Hollow Point Nickel Plated Brass Cased Pistol Ammunition Underwood Ammo .45 Colt 225 Grain Coated Soft Cast Hollow Point Nickel Plated Brass Cased Pistol Ammunition, 20 List: $35.99 $35.39 $1.77/Round
Image of Cor Bon 45 Colt 200 Grain Jacketed Hollow Point Brass Cased Pistol Ammunition Cor Bon 45 Colt 200 Grain Jacketed Hollow Point Brass Cased Pistol Ammunition, 20, JHP List: $27.40 (Save $2.11) $25.29 $1.26/Round
Image of Buffalo Bore Ammunition 3J/20 Anti-Personnel 45 Colt 225 Grain Soft Cast Holl Hollow Point Ammunition Buffalo Bore Ammunition 3J/20 Anti-Personnel 45 Colt 225 Grain Soft Cast Holl Hollow Point Ammunition, 20, HP List: $89.49 (Save 43%) $51.39 $2.57/Round
Image of HSM Ammunition Bear Load .45 Colt 325 Grain Wide Flat Nose Brass Cased Centerfire Pistol Ammunition HSM Ammunition Bear Load .45 Colt 325 Grain Wide Flat Nose Brass Cased Centerfire Pistol Ammunition, 20, WFN (1) List: $30.99 (Save $2.60) $28.39 $1.42/Round
Image of Liberty Ammunition Civil Defense .45 Long Colt 78 grain Hollow Point Centerfire Pistol Ammunition Liberty Ammunition Civil Defense .45 Long Colt 78 grain Hollow Point Centerfire Pistol Ammunition, 20, HP (1) List: $73.49 (Save 44%) $41.19 $2.06/Round
Image of Doubletap Ammunition .45 Colt 220 grain Snake Shot Brass Cased Pistol Ammunition Doubletap Ammunition .45 Colt 220 grain Snake Shot Brass Cased Pistol Ammunition, 20 List: $47.99 (Save 32%) $32.59 $1.63/Round
Image of Magtech 45 Colt 250 Grain Cowboy Action Lead Flat Nose Brass Cased Pistol Ammunition 2 models Magtech 45 Colt 250 Grain Cowboy Action Lead Flat Nose Brass Cased Pistol Ammunition (1) As Low As (Save Up to 43%) $42.59 $0.85 - $0.98/Round
Image of Underwood Ammo .45 Colt 135 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition Underwood Ammo .45 Colt 135 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition, 20 List: $85.29 (Save 40%) $51.59 $2.58/Round
Image of Remington Performance Wheelgun .45 Colt 250 Grain Lead Round Nose Centerfire Pistol Ammunition Remington Performance Wheelgun .45 Colt 250 Grain Lead Round Nose Centerfire Pistol Ammunition, 50, LRN List: $73.99 (Save 16%) $61.99 $1.24/Round
Image of Barnes Vor-Tx .45 Colt 200gr XPB Handgun Hunting Cartridges Barnes Vor-Tx .45 Colt 200gr XPB Handgun Hunting Cartridges, 20, JHP (2) List: $58.49 (Save 33%) $38.99 $1.95/Round
Image of Aguila Ammunition .45 Long Colt 200 Grain Soft Point Brass Case Pistol Ammunition Aguila Ammunition .45 Long Colt 200 Grain Soft Point Brass Case Pistol Ammunition, 50, SP (5) List: $74.49 (Save 26%) $55.39 $1.11/Round Best Rated
Image of HSM Ammunition Pro Hunter .45 Colt 300 Grain Jacketed Soft Point (JSP) Brass Cased Centerfire Pistol Ammunition HSM Ammunition Pro Hunter .45 Colt 300 Grain Jacketed Soft Point (JSP) Brass Cased Centerfire Pistol Ammunition, 50, JSP List: $105.99 (Save $4.10) $101.89 $2.04/Round
Image of Sellier & Bellot 45 Colt 230 Grain Cowboy Action Jacketed Hollow Point Pistol Ammunition Sellier & Bellot 45 Colt 230 Grain Cowboy Action Jacketed Hollow Point Pistol Ammunition, 50, JHP (2) List: $67.99 (Save 20%) $54.09 $1.08/Round
Image of Sellier & Bellot 45 Colt 250 Grain Cowboy Action Lead Flat Nose Brass Cased Pistol Ammunition Sellier & Bellot 45 Colt 250 Grain Cowboy Action Lead Flat Nose Brass Cased Pistol Ammunition, 50, LFN List: $72.49 (Save 29%) $51.39 $1.03/Round
Image of Winchester Super-X .45 Colt 225 Grain Silvertip Jacketed Hollow Point Pistol Ammunition Winchester Super-X .45 Colt 225 Grain Silvertip Jacketed Hollow Point Pistol Ammunition, 20, JHP List: $45.99 (Save $2.90) $43.09 $2.15/Round
Image of Remington .45 Colt HTP 230 Grain Jacketed Hollow Point Pistol Ammunition Remington .45 Colt HTP 230 Grain Jacketed Hollow Point Pistol Ammunition, 20, JHP List: $35.99 (Save $1.30) $34.69 $1.73/Round
Image of HSM 45C1N Cowboy Action 45 Colt (LC) 250 Gr Round Nose Flat Point (RNFP) HSM 45C1N Cowboy Action 45 Colt (LC) 250 Gr Round Nose Flat Point (RNFP), 50, RNFP List: $84.49 (Save 34%) $55.69 $1.11/Round
Image of HSM 45C2N Cowboy Action 45 Colt (LC) 200 Gr Round Nose Flat Point (RNFP) HSM 45C2N Cowboy Action 45 Colt (LC) 200 Gr Round Nose Flat Point (RNFP), 50, RNFP List: $81.49 (Save 34%) $53.49 $1.07/Round
Image of Ammo, Inc. STREAK .45 Colt 250 grain Tracer-Like Total Metal Jacket Brass Cased Centerfire Visual Pistol Ammunition Ammo, Inc. STREAK .45 Colt 250 grain Tracer-Like Total Metal Jacket Brass Cased Centerfire Visual Pistol Ammunition, 20, FMJ List: $65.99 (Save 12%) $58.39 $2.92/Round
Image of Armscor Precision Inc USA .45 Colt 230 Grain Lead Round Nose Brass Cased Pistol Ammunition Armscor Precision Inc USA .45 Colt 230 Grain Lead Round Nose Brass Cased Pistol Ammunition, 50, LRN List: $82.49 (Save 32%) $55.99 $1.12/Round
Image of CCI Ammunition Pest Control Big 4 Shotshell .45 Colt 140 Grain Shotshell Centerfire Pistol Ammunition CCI Ammunition Pest Control Big 4 Shotshell .45 Colt 140 Grain Shotshell Centerfire Pistol Ammunition, 10 (4) List: $27.99 $27.09 $2.71/Round
Image of Winchester Defender Handgun .45 Colt 225 grain Bonded Jacketed Hollow Point Centerfire Pistol Ammunition Winchester Defender Handgun .45 Colt 225 grain Bonded Jacketed Hollow Point Centerfire Pistol Ammunition, 20, BJHP List: $49.99 (Save $3.20) $46.79 $2.34/Round
Image of Federal Premium Centerfire Handgun Ammunition .45 Colt 250 Grain Bonded Hollow Point Centerfire Pistol Ammunition Federal Premium Centerfire Handgun Ammunition .45 Colt 250 Grain Bonded Hollow Point Centerfire Pistol Ammunition, 20, BHP List: $39.99 (Save $1.90) $38.09 $1.90/Round
Image of Barnes .45 Colt 250 Grain Jacketed Soft Point Brass Cased Pistol Ammunition Barnes .45 Colt 250 Grain Jacketed Soft Point Brass Cased Pistol Ammunition, 20, JSP List: $50.94 (Save 26%) $37.79 $1.89/Round
Image of Underwood Ammo .45 Colt 255 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammunition Underwood Ammo .45 Colt 255 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammunition, 20 List: $54.99 (Save 20%) $44.19 $2.21/Round
Image of Doubletap Ammunition 45CS255HC Hunter 45 Colt (LC) 255 Gr Hard Cast Semi-Wadcut Doubletap Ammunition 45CS255HC Hunter 45 Colt (LC) 255 Gr Hard Cast Semi-Wadcut, 20 List: $52.49 (Save 41%) $30.99 $1.55/Round
Image of Hornady Cowboy .45 Colt 255 Grain Lead Flat Nose Centerfire Pistol Ammunition Hornady Cowboy .45 Colt 255 Grain Lead Flat Nose Centerfire Pistol Ammunition, 20, LFN (3) List: $36.99 (Save 17%) $30.59 $1.53/Round
Image of Underwood Ammo .45 Colt 225 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammunition Underwood Ammo .45 Colt 225 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammunition, 20, HCWC (1) List: $40.99 (Save 23%) $31.39 $1.57/Round
Image of CCI Ammunition Pest Control Shotshell .45 Colt 150 Grain Shotshell Centerfire Pistol Ammunition CCI Ammunition Pest Control Shotshell .45 Colt 150 Grain Shotshell Centerfire Pistol Ammunition, 10 List: $41.49 (Save 32%) $28.09 $2.81/Round
Image of American Cowboy Ammunition American Cowboy .45 Long Colt 200gr. Lead Flat-nose 50-pack American Cowboy Ammunition American Cowboy .45 Long Colt 200gr. Lead Flat-nose 50-pack, 50, FN List: $91.49 (Save 17%) $75.89 $1.52/Round
Image of Cor Bon .45 Colt 165 Grain Jacketed Hollow Point Brass Cased Pistol Ammunition Cor Bon .45 Colt 165 Grain Jacketed Hollow Point Brass Cased Pistol Ammunition, 20, JHP List: $45.99 (Save 41%) $27.29 $1.36/Round
Image of Fiocchi 45 Lon Colt 200 grain Jacketed Hollow Point XPB Pistol Ammunition Fiocchi 45 Lon Colt 200 grain Jacketed Hollow Point XPB Pistol Ammunition, 25, JHP List: $72.00 (Save $4.81) $67.19 $2.69/Round
Image of CCI Ammunition Bismuth .45 Colt 130 grain Shotshell Pistol Ammunition CCI Ammunition Bismuth .45 Colt 130 grain Shotshell Pistol Ammunition, 10 List: $34.99 (Save $2.30) $32.69 $3.27/Round
Image of Barnes .45 Colt 200 Grain Flat Nose Brass Cased Pistol Ammunition Barnes .45 Colt 200 Grain Flat Nose Brass Cased Pistol Ammunition, 20, FN List: $43.09 (Save $2.80) $40.29 $2.01/Round
Image of Fiocchi .45 Colt 250 Grain LRNFP Brass Pistol Ammunition Fiocchi .45 Colt 250 Grain LRNFP Brass Pistol Ammunition, 50 List: $79.99 (Save $2.50) $77.49 $1.55/Round
Image of Cor Bon 45 Colt 225 Grain Jacketed Hollow Point -DPX Brass Cased Pistol Ammunition Cor Bon 45 Colt 225 Grain Jacketed Hollow Point -DPX Brass Cased Pistol Ammunition, 20, JHP List: $36.15 (Save $2.06) $34.09 $1.70/Round
Image of Remington High Terminal Performance .45 Colt 230 Grain Jacketed Hollow Point Centerfire Pistol Ammunition Remington High Terminal Performance .45 Colt 230 Grain Jacketed Hollow Point Centerfire Pistol Ammunition, 50, JHP List: $110.99 (Save 27%) $81.29 $1.63/Round
Image of Atomic Ammunition 04935 Pistol Subsonic 45Colt 300gr Lead Hollow Point 20 Per Bo Atomic Ammunition 04935 Pistol Subsonic 45Colt 300gr Lead Hollow Point 20 Per Bo, 20, HP List: $65.99 (Save $2.00) $63.99 $3.20/Round Newly Added
Image of G2 Research Ammunitions Telos .45 COLT Brass Cased Pistol Ammunition G2 Research Ammunitions Telos .45 COLT Brass Cased Pistol Ammunition, 20, HP List: $51.99 (Save 11%) $46.19 $2.31/Round
Image of Doubletap Ammunition 45P255HC Hunter 45 Colt (LC) 255 Gr Hard Cast Semi-Wadcutt Doubletap Ammunition 45P255HC Hunter 45 Colt (LC) 255 Gr Hard Cast Semi-Wadcutt, 20 List: $52.49 (Save 34%) $34.39 $1.72/Round
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