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Uppers

Uppers

All upper receivers not chambered in 5.56x45 or .223 Remington come with one (1) caliber specific magazine. Capacity may vary depending on your State's laws.

When ordering an upper reciever unit please keep the following in mind: All complete uppers sold on-line come fully assembled, headspaced and test-fired. While each upper is made to mil-spec standards for dimensions and tolerances, uppers may fit differently on various lowers. Some may fit tighter than other, some may fit looser. Some may require minor fitting based on tolerance stacking. Each upper comes with a lifetime warranty and a 60 Day Satisfaction Guaranty. Please see our Warranty page for details.



Items 21 to 40 of 54 total

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  1. 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
  2. K40UR-FT: 16" 40 S&W Flat-top Upper Receiver K40UR-FT: 16" 40 S&W Flat-top Upper Receiver
    K40UR-FT: 16" 40 S&W Flat-top Upper Receiver
    K40UR-FT

    K40UR-FT: 16" 40 S&W Flat-top Upper Receiver

    Complete upper receiver assembly chambered in the wildly popular and affordable 40 S&W cartridge. Standard forged 7076T6 aluminum Picatinny flat-top upper with one high capacity 20 round polymer magazine. Front sight and handguard options available. Learn More
    $721.50
  3. K24P-10-UR-OR: 10mm 11.5" AR15 Pistol/SBR upper K24P-10-UR-OR: 10mm 11.5" AR15 Pistol/SBR upper
    K24P-10-UR-OR: 10mm 11.5" AR15 Pistol/SBR upper
    K24P-10-ur-or

    K24P-10-UR-OR: 10mm 11.5" AR15 Pistol/SBR upper

    10mm 11.5" Optics ready AR15 pistol or SBR upper Learn More
    $767.00
  4. K10UR-OR: 10mm Optics Ready Upper Receiver, 16" K10UR-OR: 10mm Optics Ready Upper Receiver, 16"
  5. K24P-300-OR-UR: 300 Blackout Upper K24P-300-OR-UR: 300 Blackout Upper
    K24P-300-OR-UR: 300 Blackout Upper
    K24P-300-or-ur

    K24P-300-OR-UR: 300 Blackout Upper

    300 Blackout caliber 11.5" AR15 pistol or SBR upper, optics ready upper Learn More
    $572.00
  6. K16-SSTUR-6.8 K16-SSTUR-6.8
    K16-SSTUR-6.8
    K16-SSTUR-6.8

    K16-SSTUR-6.8

    16" Bull barreled match grade 6.8 Remington Learn More
    $479.70
  7. K6T-Sale: 20"  Ultramatch Tactical Upper Assem. .223 Remington K6T-Sale: 20"  Ultramatch Tactical Upper Assem. .223 Remington
  8. K30R16-SST UR: 16in. 7.62x39 K16 Style Upper Receiver K30R16-SST UR: 16in. 7.62x39 K16 Style Upper Receiver
    K30R16-SST UR: 16in. 7.62x39 K16 Style Upper Receiver
    K30R16-SSTUR

    K30R16-SST UR: 16in. 7.62x39 K16 Style Upper Receiver

    16" Bull barreled match grade 7.62x39 target/hunting upper. Great for an Olympic Arms or any major brand lower. Learn More
    $399.00
  9. GSG2-556UR-Sale: Gamestalker Upper Receiver GSG2-556UR-Sale: Gamestalker Upper Receiver
    GSG2-556UR-Sale: Gamestalker Upper Receiver
    GSG2-556UR

    GSG2-556UR-Sale: Gamestalker Upper Receiver

    GSG2 5.56 Closeout Gamestalker Upper Receiver, Black/SS Learn More
    $675.00
  10. K8T-UR-SALE: Tactical Targetmatch Upper Receiver Closeout K8T-UR-SALE: Tactical Targetmatch Upper Receiver Closeout
  11. K3B-CAR Upper LIMITED SALE K3B-CAR Upper LIMITED SALE
    K3B-CAR Upper LIMITED SALE
    K3B-CARUR-SALE

    K3B-CAR Upper LIMITED SALE

    This K3B variant has an 11.5" barrel with a permanently attached 5.5" flash suppressor. Available in 5.56 NATO Learn More
    $399.00
  12. K24P-10-UR-FT: 10mm 11.5" AR15 Pistol/SBR upper K24P-10-UR-FT: 10mm 11.5" AR15 Pistol/SBR upper
  13. GSG2UR: Gamestalker Gen-II Upper Receiver GSG2UR: Gamestalker Gen-II Upper Receiver
  14. K24P-10-UR: 10MM 11.5" AR15 Pistol/SBR upper K24P-10-UR: 10MM 11.5" AR15 Pistol/SBR upper
  15. K24P-9-UR-OR: 9mm 11.5" AR15 Pistol/SBR upper K24P-9-UR-OR: 9mm 11.5" AR15 Pistol/SBR upper
    K24P-9-UR-OR: 9mm 11.5" AR15 Pistol/SBR upper
    K24P-9-ur-or

    K24P-9-UR-OR: 9mm 11.5" AR15 Pistol/SBR upper

    9mm 11.5" Optics ready AR15 pistol or SBR upper Learn More
    $767.00
  16. K24P-9-UR: 9MM 11.5" AR15 Pistol/SBR upper K24P-9-UR: 9MM 11.5" AR15 Pistol/SBR upper
  17. 16" 7.62 x 39mm Upper Receiver 16" 7.62 x 39mm Upper Receiver
    16" 7.62 x 39mm Upper Receiver
    K30R-UR

    16" 7.62 x 39mm Upper Receiver

    Complete upper receiver assembly manufactured for 7.62 x 39mm and includes one magazine. Learn More
    $588.90
  18. K6: 20"  Ultramatch Upper Receiver Assembly K6: 20"  Ultramatch Upper Receiver Assembly
  19. RFA: .22 Rimfire Adapter RFA: .22 Rimfire Adapter
  20. K868UR 6.8: 20" Targetmatch Upper, 6.8 Remington Spec-II caliber K868UR 6.8: 20" Targetmatch Upper, 6.8 Remington Spec-II caliber
    K868UR: 20" Targetmatch Upper Receiver 6.8 Remington
    K868UR

    K868UR: 20" Targetmatch Upper Receiver 6.8 Remington

    Top end assembly with a 20" bull Targetmatch barrel. Available in 5.56 NATO and 6.8 SPC Learn More
    $598.00

Items 21 to 40 of 54 total

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