40 Cal (S&W) Ammo

The .40 Smith & Wesson is a leading cartridge among law enforcement organizations in America, and is often seen as a compromise between the capacity of the 9mm and the power of the .45. It is also popular among civilians for personal protection and sport shooting. Learn More

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  1. Winchester 40 cal Ammo - 50 Rounds of 180 Grain FMJ Ammunition

    11 In stock now

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    Image For 50 Rounds Of 180 Grain FMJ Boxer Brass 40 Cal Winchester Ammunition
    $16.99 Price

    Qty:

    • 50 Rounds
    • Made by Winchester

    • New Condition
    • 50 Rounds
    • Made by Winchester
    • American-made Discount Range
    • 34¢ Cost Per Round
    • Winchester SKU Q4238
    • UPC 020892203006
  2. Blazer 40 Cal Ammo - 50 Rounds of 180 Grain TMJ Ammunition

    28 In stock now

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    Image For 50 Rounds Of 180 Grain TMJ Boxer Aluminum 40 Cal Blazer Ammunition
    $16.99 Price

    Qty:

    • 50 Rounds
    • Made by Blazer

    • New Condition
    • 50 Rounds
    • Made by Blazer
    • Discount Aluminum
    • 34¢ Cost Per Round
    • Blazer SKU 3477
    • UPC 076683034779
  3. PMC 40 cal Ammo - 50 Rounds of 165 Grain FMJ-FN Ammunition

    40 In stock now
    Image For 50 Rounds Of 165 Grain FMJ Boxer Brass 40 Cal PMC Ammunition
    $17.00 Price

    Qty:

    • 50 Rounds
    • Made by PMC

    • New Condition
    • 50 Rounds
    • Made by PMC
    • Foreign Discount Range
    • 34¢ Cost Per Round
    • PMC SKU 40D
    • UPC 741569070430
  4. Fiocchi 40 cal Ammo - 1000 Rounds of 165 Grain JHP Ammunition

    30 In stock now

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    Image For 1000 Rounds Of 165 Grain JHP Boxer Brass 40 Cal Fiocchi Ammunition
    $345.00 Price

    Qty:

    • 1000 Rounds
    • Made by Fiocchi

    • New Condition
    • 1000 Rounds
    • Made by Fiocchi
    • Foreign Discount Defense
    • 34.5¢ Cost Per Round
    • Fiocchi SKU 40SWC
    • UPC 762344860435
  5. Federal 40 cal Ammo - 100 Rounds of 180 Grain FMJ Ammunition

    41 In stock now
    Image For 100 Rounds Of 180 Grain FMJ Boxer Brass 40 Cal Federal Ammunition
    $34.99 Price

    Qty:

    • 100 Rounds
    • Made by Federal

    • New Condition
    • 100 Rounds
    • Made by Federal
    • American-made Discount Range
    • 35¢ Cost Per Round
    • Federal SKU AE40R100
    • UPC 029465062446
  6. Winchester 40 cal Ammo - 100 Rounds of 165 Grain FMJ Ammunition

    44 In stock now

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    Image For 100 Rounds Of 165 Grain FMJ Boxer Brass 40 Cal Winchester Ammunition
    $35.00 Price

    Qty:

    • 100 Rounds
    • Made by Winchester

    • New Condition
    • 100 Rounds
    • Made by Winchester
    • American-made Discount Range
    • 35¢ Cost Per Round
    • Winchester SKU USA40SWVP
    • UPC 020892213654
  7. Remington 40 cal Ammo - 500 Rounds of 180 Grain MC Ammunition

    6 In stock now

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    Image For 500 Rounds Of 180 Grain FMJ Boxer Brass 40 Cal Remington Ammunition
    $174.99 Price

    Qty:

    • 500 Rounds
    • Made by Remington

    • New Condition
    • 500 Rounds
    • Made by Remington
    • American-made Discount Range
    • 35¢ Cost Per Round
    • Remington SKU L40SW3
    • UPC 047700077314
  8. 40 S&W - 165 Grain TMJ - Speer LAWMAN - 50 Rounds

    48 In stock now

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    Image For 50 Rounds Of 165 Grain TMJ Boxer Brass 40 Cal Speer Ammunition
    $17.75 Price

    Qty:

    • 50 Rounds
    • Made by Speer

    • New Condition
    • 50 Rounds
    • Made by Speer
    • American-made Range
    • 35.5¢ Cost Per Round
    • Speer SKU 53954
    • UPC 076683539540
  9. Federal 40 cal Ammo - 50 Rounds of 180 Grain FMJ Ammunition

    47 In stock now
    Image For 50 Rounds Of 180 Grain FMJ Boxer Brass 40 Cal Federal Ammunition
    $17.80 Price

    Qty:

    • 50 Rounds
    • Made by Federal

    • New Condition
    • 50 Rounds
    • Made by Federal
    • American-made Discount Range
    • 35.6¢ Cost Per Round
    • Federal SKU AE40R1
    • UPC 029465092542
  10. Blazer Brass 40 Cal Ammo - 250 Rounds of 180 Grain FMJ Ammunition

    10 In stock now

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    Image For 250 Rounds Of 180 Grain FMJ Boxer Brass 40 Cal Blazer Brass Ammunition
    $89.00 Price

    Qty:

    • 250 Rounds
    • Made by Blazer Brass

    • New Condition
    • 250 Rounds
    • Made by Blazer Brass
    • American-made Discount Range
    • 35.6¢ Cost Per Round
    • Blazer Brass SKU 52202
    • UPC 076683522023
  11. Fiocchi 40 cal Ammo - 50 Rounds of 165 Grain JHP Ammunition

    44 In stock now

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    Image For 50 Rounds Of 165 Grain JHP Boxer Brass 40 Cal Fiocchi Ammunition
    $17.99 Price

    Qty:

    • 50 Rounds
    • Made by Fiocchi

    • New Condition
    • 50 Rounds
    • Made by Fiocchi
    • Foreign Discount Defense
    • 36¢ Cost Per Round
    • Fiocchi SKU 40SWC
    • UPC 762344703909
  12. Fiocchi 40 cal Ammo - 50 Rounds of 180 Grain JHP Ammunition

    6 In stock now

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    Image For 50 Rounds Of 180 Grain JHP Boxer Brass 40 Cal Fiocchi Ammunition
    $18.00 Price

    Qty:

    • 50 Rounds
    • Made by Fiocchi

    • New Condition
    • 50 Rounds
    • Made by Fiocchi
    • Foreign Discount Defense
    • 36¢ Cost Per Round
    • Fiocchi SKU 40SWE
    • UPC 762344701264
  13. Federal 40 cal Ammo - 1000 Rounds of 155 Grain JHP Ammunition

    1 In stock now

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    Image For 1000 Rounds Of 155 Grain JHP Boxer Brass 40 Cal Federal Ammunition
    $359.95 Price

    Qty:

    • 1000 Rounds
    • Made by Federal

    • New Condition
    • 1000 Rounds
    • Made by Federal
    • American-made Discount Defense
    • 36¢ Cost Per Round
    • Federal SKU 40SWB
    • UPC 50029465088809
  14. PMC 40 cal Ammo - 50 Rounds of 165 Grain JHP Ammunition

    10 In stock now

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    Image For 50 Rounds Of 165 Grain JHP Boxer Brass 40 Cal PMC Ammunition
    $18.50 Price

    Qty:

    • 50 Rounds
    • Made by PMC

    • New Condition
    • 50 Rounds
    • Made by PMC
    • Foreign Discount Defense
    • 37¢ Cost Per Round
    • PMC SKU 40B
    • UPC 741569050463
  15. Magtech 40 Cal Ammo - 50 Rounds of 165 Grain FMC Ammunition

    2 In stock now

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    Image For 50 Rounds Of 165 Grain FMJ Boxer Brass 40 Cal Magtech Ammunition
    $19.00 Price

    Qty:

    • 50 Rounds
    • Made by Magtech

    • New Condition
    • 50 Rounds
    • Made by Magtech
    • Foreign Discount Range
    • 38¢ Cost Per Round
    • Magtech SKU 40G
    • UPC 754908176618
  16. Winchester 40 Cal Ammo - 500 Rounds of 180 Grain FMJ Ammunition

    2 In stock now

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    Image For 500 Rounds Of 180 Grain FMJ Boxer Brass 40 Cal Winchester Ammunition
    $194.00 Price

    Qty:

    • 500 Rounds
    • Made by Winchester

    • New Condition
    • 500 Rounds
    • Made by Winchester
    • American-made Discount Range
    • 38.8¢ Cost Per Round
    • Winchester SKU W40SWT
    • UPC 00020892220560
  17. Winchester 40 cal Ammo - 50 Rounds of 180 Grain FMJ Ammunition

    52 In stock now

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    Image For 50 Rounds Of 180 Grain FMJ Boxer Brass 40 Cal Winchester Ammunition
    $19.49 Price

    Qty:

    • 50 Rounds
    • Made by Winchester

    • New Condition
    • 50 Rounds
    • Made by Winchester
    • American-made Discount Range
    • 39¢ Cost Per Round
    • Winchester SKU Q4356
    • UPC 855-11017
  18. Remington 40 cal Ammo - 50 Rounds of 180 Grain MC Ammunition

    7 In stock now
    Image For 50 Rounds Of 180 Grain FMJ Boxer Brass 40 Cal Remington Ammunition
    $19.99 Price

    Qty:

    • 50 Rounds
    • Made by Remington

    • New Condition
    • 50 Rounds
    • Made by Remington
    • American-made Discount Range
    • 40¢ Cost Per Round
    • Remington SKU L40SW3
    • UPC 047700077307
  19. Winchester 40 Cal Ammo - 50 Rounds of 180 Grain FMJ Ammunition

    32 In stock now

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    Image For 50 Rounds Of 180 Grain FMJ Boxer Brass 40 Cal Winchester Ammunition
    $19.99 Price

    Qty:

    • 50 Rounds
    • Made by Winchester

    • New Condition
    • 50 Rounds
    • Made by Winchester
    • American-made Discount Range
    • 40¢ Cost Per Round
    • Winchester SKU W40SWT
    • UPC 020892220553
  20. Remington 40 cal Ammo - 50 Rounds of 165 Grain MC Ammunition

    11 In stock now

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    Image For 50 Rounds Of 165 Grain FMJ Boxer Brass 40 Cal Remington Ammunition
    $20.00 Price

    Qty:

    • 50 Rounds
    • Made by Remington

    • New Condition
    • 50 Rounds
    • Made by Remington
    • American-made Discount Range
    • 40¢ Cost Per Round
    • Remington SKU L40SW4
    • UPC 047700172507
  21. Federal 40 Cal Ammo - 500 Rounds of 180 Grain JHP Ammunition

    4 In stock now

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    Image For 500 Rounds Of 180 Grain JHP Boxer Brass 40 Cal Federal Ammunition
    $200.00 Price

    Qty:

    • 500 Rounds
    • Made by Federal

    • New Condition
    • 500 Rounds
    • Made by Federal
    • American-made Self-Defense
    • 40¢ Cost Per Round
    • Federal SKU C40SWA
    • UPC 50029465093216
  22. Remington 40 cal Ammo - 500 Rounds of 180 Grain JHP Ammunition

    14 In stock now

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    Image For 500 Rounds Of 180 Grain JHP Boxer Brass 40 Cal Remington Ammunition
    $210.00 Price

    Qty:

    • 500 Rounds
    • Made by Remington

    • New Condition
    • 500 Rounds
    • Made by Remington
    • American-made Discount Defense
    • 42¢ Cost Per Round
    • Remington SKU L40SW2
    • UPC 047700356716
  23. Winchester 40 cal Ammo - 500 Rounds of 180 Grain JHP Ammunition

    12 In stock now

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    Image For 500 Rounds Of 180 Grain JHP Boxer Brass 40 Cal Winchester Ammunition
    $209.99 Price

    Qty:

    • 500 Rounds
    • Made by Winchester

    • New Condition
    • 500 Rounds
    • Made by Winchester
    • American-made Discount Defense
    • 42¢ Cost Per Round
    • Winchester SKU Q4369
    • UPC 00020892218260
  24. Sellier and Bellot 40 cal Ammo - 50 Rounds of 180 Grain TMJ Ammunition

    44 In stock now

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    Image For 50 Rounds Of 180 Grain TMJ Boxer Brass 40 Cal Sellier and Bellot Ammunition
    $21.00 Price

    Qty:

    • 50 Rounds
    • Made by Sellier and Bellot

  25. Remington 40 cal Ammo - 50 Rounds of 180 Grain JHP Ammunition

    42 In stock now
    Image For 50 Rounds Of 180 Grain JHP Boxer Brass 40 Cal Remington Ammunition
    $21.99 Price

    Qty:

    • 50 Rounds
    • Made by Remington

    • New Condition
    • 50 Rounds
    • Made by Remington
    • American-made Discount Defense
    • 44¢ Cost Per Round
    • Remington SKU L40SW2
    • UPC 047700356709
  26. Winchester 40 Cal Ammo - 50 Rounds of 180 Grain FMJ Ammunition

    1 In stock now

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    Image For 50 Rounds Of 180 Grain FMJ Boxer Brass 40 Cal Winchester Ammunition
    $21.99 Price

    Qty:

    • 50 Rounds
    • Made by Winchester

    • New Condition
    • 50 Rounds
    • Made by Winchester
    • American-made Discount Range
    • 44¢ Cost Per Round
    • Winchester SKU X40TG
    • UPC 020892220614
  27. Federal 40 cal Ammo - 50 Rounds of 155 Grain JHP Ammunition

    46 In stock now
    Image For 50 Rounds Of 155 Grain JHP Boxer Brass 40 Cal Federal Ammunition
    $22.00 Price

    Qty:

    • 50 Rounds
    • Made by Federal

    • New Condition
    • 50 Rounds
    • Made by Federal
    • American-made Discount Defense
    • 44¢ Cost Per Round
    • Federal SKU 40SWB
    • UPC 029465088804
  28. Winchester 40 cal Ammo - 50 Rounds of 165 Grain BEB Ammunition

    48 In stock now

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    Image For 50 Rounds Of 165 Grain BEB Boxer Brass 40 Cal Winchester Ammunition
    $22.50 Price

    Qty:

    • 50 Rounds
    • Made by Winchester

    • New Condition
    • 50 Rounds
    • Made by Winchester
    • American-made Discount Range
    • 45¢ Cost Per Round
    • Winchester SKU WC401
    • UPC 020892211643
  29. Winchester 40 cal Ammo - 50 Rounds of 180 Grain BEB Ammunition

    1 In stock now

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    Image For 50 Rounds Of 180 Grain BEB Boxer Brass 40 Cal Winchester Ammunition
    $22.99 Price

    Qty:

    • 50 Rounds
    • Made by Winchester

    • New Condition
    • 50 Rounds
    • Made by Winchester
    • American-made Discount Range
    • 46¢ Cost Per Round
    • Winchester SKU WC402
    • UPC 020892211667
  30. Federal 40 Cal Ammo - 50 Rounds of 180 Grain JHP Ammunition

    52 In stock now

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    Image For 50 Rounds Of 180 Grain JHP Boxer Brass 40 Cal Federal Ammunition
    $23.50 Price

    Qty:

    • 50 Rounds
    • Made by Federal

    • New Condition
    • 50 Rounds
    • Made by Federal
    • American-made Self-Defense
    • 47¢ Cost Per Round
    • Federal SKU P40HST1B
  31. Magtech 40 Cal Ammo - 50 Rounds of 180 Grain FEB Ammunition

    15 In stock now

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    Image For 50 Rounds Of 180 Grain FMJ Boxer Brass 40 Cal Magtech Ammunition
    $24.00 Price

    Qty:

    • 50 Rounds
    • Made by Magtech

    • New Condition
    • 50 Rounds
    • Made by Magtech
    • Foreign Discount Range
    • 48¢ Cost Per Round
    • Magtech SKU CR40A
    • UPC 754908177615
  32. Magtech 40 Cal Ammo - 50 Rounds of 180 Grain JHP Ammunition

    14 In stock now

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    Image For 50 Rounds Of 180 Grain JHP Boxer Brass 40 Cal Magtech Ammunition
    $24.00 Price

    Qty:

    • 50 Rounds
    • Made by Magtech

    • New Condition
    • 50 Rounds
    • Made by Magtech
    • Foreign Discount Defense
    • 48¢ Cost Per Round
    • Magtech SKU 40BONB
    • UPC 754908201310
  33. Winchester 40 cal Ammo - 50 Rounds of 180 Grain JHP Ammunition

    56 In stock now

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    Image For 50 Rounds Of 180 Grain JHP Boxer Brass 40 Cal Winchester Ammunition
    $24.50 Price

    Qty:

    • 50 Rounds
    • Made by Winchester

    • New Condition
    • 50 Rounds
    • Made by Winchester
    • American-made Discount Defense
    • 49¢ Cost Per Round
    • Winchester SKU Q4369
    • UPC 020892218253
  34. Remington 40 Cal Ammo - 500 Rounds of 180 Grain JHP Ammunition

    9 In stock now

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    Image For 500 Rounds Of 180 Grain JHP Boxer Nickel-Plated Brass 40 Cal Remington Ammunition
    $249.00 Price

    Qty:

    • 500 Rounds
    • Made by Remington

    • New Condition
    • 500 Rounds
    • Made by Remington
    • American-made Self-Defense
    • 49.8¢ Cost Per Round
    • Remington SKU GS40SWB
    • UPC 10047700079629
  35. Magtech 40 Cal Ammo - 50 Rounds of 160 Grain Semi-Wadcutter Ammunition

    24 In stock now

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    Image For 50 Rounds Of 160 Grain LSWC Boxer Brass 40 Cal Magtech Ammunition
    $25.00 Price

    Qty:

    • 50 Rounds
    • Made by Magtech

    • New Condition
    • 50 Rounds
    • Made by Magtech
    • Foreign Discount Range
    • 50¢ Cost Per Round
    • Magtech SKU 40C
    • UPC 754908165315
  36. Federal 40 cal Ammo - 1000 Rounds of 165 Grain JHP Ammunition

    2 In stock now

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    Image For 1000 Rounds Of 165 Grain JHP Boxer Nickel-Plated Brass 40 Cal Federal Ammunition
    $499.99 Price

    Qty:

    • 1000 Rounds
    • Made by Federal

    • New Condition
    • 1000 Rounds
    • Made by Federal
    • American-made Self-Defense
    • 50¢ Cost Per Round
    • Federal SKU P40HST3
    • UPC 50029465094473
  37. Federal 40 cal Ammo - 50 Rounds of 165 Grain HST JHP Ammunition

    46 In stock now
    Image For 50 Rounds Of 165 Grain JHP Boxer Nickel-Plated Brass 40 Cal Federal Ammunition
    $27.50 Price

    Qty:

    • 50 Rounds
    • Made by Federal

    • New Condition
    • 50 Rounds
    • Made by Federal
    • American-made Self-Defense
    • 55¢ Cost Per Round
    • Federal SKU P40HST3
    • UPC 029465094478
  38. Magtech 40 cal Ammo - 50 Rounds of 180 Grain JHP Ammunition

    16 In stock now

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    Image For 50 Rounds Of 180 Grain JHP Boxer Brass 40 Cal Magtech Ammunition
    $27.75 Price

    Qty:

    • 50 Rounds
    • Made by Magtech

    • New Condition
    • 50 Rounds
    • Made by Magtech
    • Foreign Discount Range
    • 55.5¢ Cost Per Round
    • Magtech SKU 40A
    • UPC 0754908118014
  39. PMC 40 cal Ammo - 20 Rounds of 180 Grain JHP Ammunition

    43 In stock now

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    Image For 20 Rounds Of 180 Grain JHP Boxer Brass 40 Cal PMC Ammunition
    $11.50 Price

    Qty:

    • 20 Rounds
    • Made by PMC

    • New Condition
    • 20 Rounds
    • Made by PMC
    • Foreign Discount Defense
    • 57.5¢ Cost Per Round
    • PMC SKU 40SFA
    • UPC 741569010191
  40. Corbon Performance Match 40 Cal Ammo - 50 Rounds of 165 Grain FMJ Ammunition

    39 In stock now

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    Image For 50 Rounds Of 165 Grain FMJ Boxer Brass 40 Cal Corbon Ammunition
    $29.95 Price

    Qty:

    • 50 Rounds
    • Made by Corbon

    • New Condition
    • 50 Rounds
    • Made by Corbon
    • American-made Range
    • 59.9¢ Cost Per Round
    • Corbon SKU PM40165/50
    • UPC 757750401600
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Smith & Wesson and Winchester introduced the .40 S&W in 1990, replacing the 10mm cartridge used for a short time by the Federal Bureau of Investigation. The 10mm had proven to be too difficult for many agents to control when firing, due to the combination of harsh recoil and large grip size. In response, the FBI searched for a cartridge with less recoil that fit in existing 9mm frames, and could deliver the amount of penetration required by the FBI. The .40 S&W met these requirements, was adopted by the FBI, and was enthusiastically embraced by the law enforcement community. Civilians soon followed, offering their own endorsement of the caliber.

A strong feature of this ammunition is that it is a "middle ground cartridge," yet it avoids being a compromise. The .40 S&W has more muzzle energy and down-range energy than a 9mm, although the same sized pistol in 9mm will be able to hold more rounds since the 9mm cartridge is smaller. A pistol chambered in .40 can hold more rounds than it could with .45 ACP, but the muzzle energy of the .45 is considerably higher than that of a .40. The .40 strikes the right balance between muzzle energies and magazine capacity, and has been approved by exhaustive testing on the part of the FBI and many other agencies – resulting in widespread adoption of the .40 among the police community. It is also worth noting that the .40 S&W has been adopted by the U.S. Coast Guard as its primary issue sidearm.

The .40 is popular with civilians for many reasons. A wide variety of options exist for bullet weight and bullet design, and if a manufacturer produces a new line of self-defense firearms, they are sure to offer it in .40 caliber. Civilians appreciate the same benefits of the caliber that made it so popular with law enforcement: magazine capacity, muzzle energy and limited recoil. The cartridge is popular for home defense and concealed carry, as seen in the number of pistols chambered in .40 S&W of compact and sub-compact size. Defensive ammunition in .40 S&W is offered by several manufacturers including Federal, Hornady and Magtech – just to name a few.

  • Click To Purchase This 40 Cal Remington Ammunition
    based on the 3 reviews below
  • James said:

    "Have run over 14,000 rounds(yes...that's fourteen-thousand- plus) through my Sig P229 and I believe maybe two or three were misfires. I am very satisfied with the product."

  • Tom said:

    "I am a returning customer the ammo is always great and priced below others out there shipment couldn't be easier . This is a great company to do business with "

  • Joe said:

    "What a mess, jams, powder build up.... this ammo did everything it could to foul my weapon. I blew threw cheaper Russian AMMO in my Ruger SR40C no issues, cleaning was average. As I closed in on 80 rounds of this Remington ammo you could tell it was going to be a long afternoon, powder all over the muzzle, then the jams started and cleaning took forever! Would not recommend. "

  • Click To Purchase This 40 Cal Federal Ammunition
    based on the 2 reviews below
  • Mac said:

    "I have shot this brand of ammo before, it has always performed well in my semi-auto without jaming, and is very accurate in my particular weapon."

  • Lia_npc said:

    "Appreciate fast turn of customer order being shipped to me, thanks much in this trying time of our great country"

  • Click To Purchase This 40 Cal Federal Ammunition
    based on the 1 review below
  • Paperbanger said:

    " Looking for some .40 cal you can feed your pistol with total confidence? Fill your magazines with the HST JHP from Federal! My Sig and I spent an afternoon punching holes with these, along with three other brands. We know there are some brands okay for range practice, because a misfeed or misfire doesn't matter much. But it was clear from the outset that if you carry, these are the guys you want to take with you. Never a misfeed or misfire, and accurate to a gnat's eyelash. I figure if it's my life and perhaps the lives of my loved ones on the line, I'll have enough to worry about without fighting the bad guys and my ammo problems at the same time. "

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