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Pistol Caliber

Pistol Caliber

Various AR15 configurations chambered in popular pistol calibers.

Items 1 to 20 of 33 total

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  1. K40-GL - Pistol Cal 40 S&W, Glock Lower K40-GL - Pistol Cal 40 S&W, Glock Lower
    K40-GL - Pistol Cal 40 S&W, Glock Lower
    K40-GL

    K40-GL - Pistol Cal 40 S&W, Glock Lower

    Pistol cal 40 S&W in an AR-15 platform with a purpose-made lower receiver that uses Glock? magazines. Learn More
    $1,157.00
  2. K24P-9: 9mm 11.5" Barreled AR-15 Pistol K24P-9: 9mm 11.5" Barreled AR-15 Pistol
    K24P-9: 9mm 11.5" Barreled AR-15 Pistol
    K24P-9

    K24P-9: 9mm 11.5" Barreled AR-15 Pistol

    Our newest AR-15 pistol model featuring a 11.5" barrel, no buttstock and a padded receiver extension tube. Learn More
    $928.20
  3. K24P-45-OR: 45 ACP Optics Ready 11.5" Barreled AR-15 Pistol K24P-45-OR: 45 ACP Optics Ready 11.5" Barreled AR-15 Pistol
    K24P-45-OR: 45 ACP Optics Ready 11.5" Barreled AR-15 Pistol
    K24P-45-OR

    K24P-45-OR: 45 ACP Optics Ready 11.5" Barreled AR-15 Pistol

    45ACP Optics Ready AR-15 pistol model featuring a 11.5" barrel, no buttstock and a padded receiver extension tube. Learn More
    $973.70
  4. K24P-9-OR: 9mm Optics Ready 11.5" Barreled AR-15 Pistol K24P-9-OR: 9mm Optics Ready 11.5" Barreled AR-15 Pistol
    K24P-9-OR: 9mm Optics Ready 11.5" Barreled AR-15 Pistol
    K24P-9-OR

    K24P-9-OR: 9mm Optics Ready 11.5" Barreled AR-15 Pistol

    9mm Optics Ready AR-15 pistol model featuring a 11.5" barrel, no buttstock and a padded receiver extension tube. Learn More
    $973.70
  5. K24P-45: 45ACP 11.5" Barreled AR-15 Pistol K24P-45: 45ACP 11.5" Barreled AR-15 Pistol
    K24P-45: 45ACP 11.5" Barreled AR-15 Pistol
    K24P-45

    K24P-45: 45ACP 11.5" Barreled AR-15 Pistol

    Our newest AR-15 pistol model chambered in 45 ACP and featuring a 11.5" barrel, no buttstock and a padded receiver extension tube. Learn More
    $659.00
  6. K9UR: 16" 9mm A2 Upper Receiver K9UR: 16" 9mm A2 Upper Receiver
    K9UR: 16" 9mm A2 Upper Receiver
    K9UR

    K9UR: 16" 9mm A2 Upper Receiver

    Complete upper receiver assembly chambered in the wildly popular and affordable 9mm pistol cartridge. Standard forged 7076T6 aluminum A2 upper with one high capacity 30 round polymer magazine. Front sight and handguard options available.

    Don't forget extra magazine and spare parts!

    Learn More
  7. K45UR-FT: 45 ACP Flat-top Upper Receiver, 16" K45UR-FT: 45 ACP Flat-top Upper Receiver, 16"
    K45UR-FT: 45 ACP Flat-top Upper Receiver, 16"
    K45UR-FT

    K45UR-FT: 45 ACP Flat-top Upper Receiver, 16"

    Complete upper receiver assembly chambered in 45 ACP and includes one 18 round polymer magazine. Standard with Picatinny Falt-top upper receiver.

    Upper is 100% complete with bolt carrier assembly and charging handle. Ready to drop on any standard AR15 lower receiver. Simply attach the upper and swap out to the 45 ACP magazine, and you are ready to shoot. Swap back and forth between calibers in as little as 15 seconds!

    This caliber conversion does not require the changing of hammer, trigger, buffers or buffer spring. No need to add in a magazine well adapter or mag well plug either. Designed to work with any standard , unmodified AR15 lower with A2 or collapsible stocks.

    Other pistol calibers available: 9mm, 10mm and 40 S&W.

    Don't forget Extra magazines and/or spare pistol-cal parts.

    Learn More
  8. K45M-10: AR-15 Magazine, 10 Round, .45 ACP K45M-10: AR-15 Magazine, 10 Round, .45 ACP
    K45M-10: AR-15 Magazine, 10 Round, .45 ACP
    K45M-10

    K45M-10: AR-15 Magazine, 10 Round, .45 ACP

    AR-15 Magazine, 10 Round, .45 ACP

    10 round, 45 ACP Magazine for AR-15 lower receivers

    This is the new generation pistol caliber magazine for Olympic Arms carbines and conversion uppers chambered in 45 ACP. While the physical size of these magazines are identical to the standard capacity magazines, they are permanently blocked internally to prevent the magazine from taking more than 10 rounds.

    Are these mags tough? You bet. Made in the USA (Washington State) using the latest technology of fiberglass embedded polymer, you can run these mags over with your car, and they keep on functioning!

    10 round, 45 ACP Magazine for AR-15 lower receivers

     


    NOTES:

    1. The feed ramp in the Pistol Caliber Upper Receivers has changed slightly over the years and the magazine may not work in all Upper Receivers without minor modification. If you purchase a magazine and it doesn’t feed properly send in your upper receiver to the factory to perform this modification free of charge."
    2. THESE MAGAZINES DO NOT WORK WITH AFTERMARKET 45 ACP CONVERSIONS.
    Learn More
    $45.44
  9. K9M-10: AR-15 Magazine, 10 Round, 9mm K9M-10: AR-15 Magazine, 10 Round, 9mm
  10. K45 - Pistol Cal 45 ACP K45 - Pistol Cal 45 ACP
    K45 - Pistol Cal 45 ACP
    K45

    K45 - Pistol Cal 45 ACP

    Pistol cal 45 ACP in an AR-15 platform with a 16in. barrel. Olympic Arms pistol cal models use standard AR-15 lower receivers that accept our polymer pistol cal magazines. Learn More
    $1,006.20
  11. K40M; AR-15 Magazine, 20 Round, .40 S&W K40M; AR-15 Magazine, 20 Round, .40 S&W
  12. K9 - Pistol Cal 9mm K9 - Pistol Cal 9mm
    K9 - Pistol Cal 9mm
    K9

    K9 - Pistol Cal 9mm

    Pistol cal 9mm in an AR-15 platform with a 16" barrel. Olympic Arms pistol cal models use standard AR-15 lower receivers that accept our polymer magazines. Learn More
    $1,006.20
  13. K9-GL - Pistol Cal 9mm, Glock Lower K9-GL - Pistol Cal 9mm, Glock Lower
    K9-GL - Pistol Cal 9mm, Glock Lower
    K9-GL

    K9-GL - Pistol Cal 9mm, Glock Lower

    Pistol cal 9mm in an AR-15 platform with a purpose-made lower receiver that uses Glock magazines. Learn More
    $1,157.00
  14. K9UR-FT: 16" 9mm Flat-top Upper Receiver K9UR-FT: 16" 9mm Flat-top Upper Receiver
    K9UR-FT: 16" 9mm Flat-top Upper Receiver
    K9UR-FT

    K9UR-FT: 16" 9mm Flat-top Upper Receiver

    Complete upper receiver assembly chambered in the wildly popular and affordable 9mm pistol cartridge. Standard forged 7076T6 aluminum Picatinny flat-top upper with one high capacity 30 round polymer magazine. Front sight and handguard options available. Learn More
  15. K40UR: 16in. 40 S&W Upper Receiver Conversion Unit K40UR: 16in. 40 S&W Upper Receiver Conversion Unit
    K40UR: 16in. 40 S&W Upper Receiver Conversion Unit
    K40-UR

    K40UR: 16in. 40 S&W Upper Receiver Conversion Unit

    Complete upper receiver assembly manufactured for 40 S&W and includes one 20 round polymer magazine. Learn More
    $721.50
  16. K45UR: 45 ACP Upper Receiver, 16" K45UR: 45 ACP Upper Receiver, 16"
    K45UR: 45 ACP Upper Receiver, 16"
    K45-UR

    K45UR: 45 ACP Upper Receiver, 16"

    Complete upper receiver assembly manufactured for 45 ACP and includes one 18 round polymer magazine. Standard with A2 upper receiver, but available with an optional picatinny flat-top upper.

    Upper is 100% complete with bolt carrier assembly and charging handle. Ready to drop on any standard AR15 lower receiver. Simply attach the upper and swap out to the 45 ACP magazine, and you are ready to shoot. Swap back and forth between calibers in as little as 15 seconds!

    This caliber conversion does not require the changing of hammer, trigger, buffers or buffer spring. No need to add in a magazine well adapter or mag well plug either. Designed to work with any standard , unmodified AR15 lower with A2 or collapsible stocks.

    Other pistol calibers available: 9mm, 10mm and 40 S&W.

    Learn More
  17. K40 - Pistol Cal 40 S&W K40 - Pistol Cal 40 S&W
    K40 - Pistol Cal 40 S&W
    K40

    K40 - Pistol Cal 40 S&W

    Pistol cal 40 S&W in an AR-15 platform with a 16in. barrel. Olympic Arms pistol cal models use standard AR-15 lower receivers that accept our polymer pistol cal magazines. Learn More
    $1,006.20
  18. K10UR-FT: 16" 10mm Flat-top Upper K10UR-FT: 16" 10mm Flat-top Upper
    K10UR-FT: 16" 10mm Flat-top Upper
    K10ur-FT

    K10UR-FT: 16" 10mm Flat-top Upper

    Complete upper receiver assembly chambered in the wildly popular and affordable 10mm pistol cartridge. Standard forged 7076T6 aluminum Picatinny flat-top upper with one high capacity 18 round polymer magazine. Front sight and handguard options available.

    Learn More
    $721.50
  19. K45UR-OR: 45 ACP Optics Ready Upper Receiver, 16" K45UR-OR: 45 ACP Optics Ready Upper Receiver, 16"
  20. K40UR-OR: 40 S&W Optics Ready Upper Receiver, 16" K40UR-OR: 40 S&W Optics Ready Upper Receiver, 16"

Items 1 to 20 of 33 total

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