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K24P-45-UR-OR: 45 ACP caliber 11.5" AR15 Pistol/SBR upper

Quick Overview

45 ACP 11.5" Optics ready AR15 pistol or SBR upper

Availability: Available (built to order)


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11.5" barreled AR15 Optics Ready upper receiver unit. 100% complete, headspaced and test-fired. For use on registered pistol lowers, or BATFE Approved Short Barreled Rifles only.

This upper chambered in 45 ACP.

Standard Features Include:

  • 7.75 T6 Aluminum Forged Picatinny Flat-top upper machined in-house
  • Parkerized Olympic Arms proprietary pistol caliber semi-automatic bolt-carrier
  • Forged Charging handle
  • Aluminum Delta-Ring Assembly
  • 11.5" 416 Stainless steel Targetmatch grade button rifled Heavy-contour barrel w/black oxide finish.
  • 1x16 twist
  • M4 glass-imbedded handguards
  • Picatinny Gas block for detachable front site systems
  • 5/8x24 tpi Birdcage Flash suppressor


Additional Information

SKU K24P-45-ur-or

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Olympic Arms, Inc. is not affiliated with the IOC/USOC or any other Olympic sports organization.