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Upper Receivers & Barrels

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55 Items

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  1. KM Tactical Upper w/Bolt & Carrier, 16" M4 Barrel 1-8, 15" M-LOK Rail, 5.56 NATO, *NEW*
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    KM Tactical Upper w/Bolt & Carrier, 16" M4 Barrel 1-8, 15" M-LOK Rail, 5.56 NATO, *NEW*
    $330.00
  2. AR-15 Flat Top Upper, Billet, Complete with Ejection Port Cover & Forward Assist, by TNW, *NEW*
    Add to Compare
    AR-15 Flat Top Upper, Billet, Complete with Ejection Port Cover & Forward Assist, by TNW, *NEW*
    $199.95
  3. DPMS AR-15 A3 Flat Top Upper Receiver, MilSpec, *NEW*
    Add to Compare
    DPMS AR-15 A3 Flat Top Upper Receiver, MilSpec, *NEW*
    $130.51
  4. DPMS AR-15 Barrel w/Rail Gas Block, 16", 5.56mm, 1/9 Twist, *NEW*
    Add to Compare
    DPMS AR-15 Barrel w/Rail Gas Block, 16", 5.56mm, 1/9 Twist, *NEW*
    $227.36
  5. KM Tactical Upper w/Bolt & Carrier, 20" HBAR 1-8, 15" KeyMod Rail, .223 Wylde, *NEW*
    Add to Compare
    KM Tactical Upper w/Bolt & Carrier, 20" HBAR 1-8, 15" KeyMod Rail, .223 Wylde, *NEW*
    $375.00
  6. Radical Firearms AR-15 Barrel, 10.5", 7.62x39, *NEW*
    Add to Compare
    Radical Firearms AR-15 Barrel, 10.5", 7.62x39, *NEW*
    $99.00
  7. AR-15 / ZM4 Barrel Nut, Mil-Spec, by DS Arms, *NEW*
    Add to Compare
    AR-15 / ZM4 Barrel Nut, Mil-Spec, by DS Arms, *NEW*
    $8.99
  8. AR-15 / M4 Heavy Barrel, No Extension, In The White, .223/5.56
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    AR-15 / M4 Heavy Barrel, No Extension, In The White, .223/5.56
    $99.99
  9. Colt 604 M16 Upper Assembly 1969-1971, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Fair*
    Add to Compare
    Colt 604 M16 Upper Assembly 1969-1971, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Fair*
    $999.00
  10. PWS MK114 Mod2 Upper, Complete, Piston Driven, 12" Keymod Rail w/PICMOD Tech, .223 Wylde, US Made, *NEW*
    Add to Compare
    PWS MK114 Mod2 Upper, Complete, Piston Driven, 12" Keymod Rail w/PICMOD Tech, .223 Wylde, US Made, *NEW*
    $1,349.95
  11. PWS MK116 Mod2 Upper, Complete, Piston Driven, 15" Keymod Rail w/PICMOD Tech, .223 Wylde, US Made, *NEW*
    Add to Compare
    PWS MK116 Mod2 Upper, Complete, Piston Driven, 15" Keymod Rail w/PICMOD Tech, .223 Wylde, US Made, *NEW*
    $1,349.95
  12. PWS MK116 Mod 1 Upper, Complete, Piston Driven, 16" Barrel, .300 BLK, US Made, *NEW*
    Add to Compare
    PWS MK116 Mod 1 Upper, Complete, Piston Driven, 16" Barrel, .300 BLK, US Made, *NEW*
    $1,299.00
  13. KM Tactical Upper w/Bolt & Carrier, 16" M4 Barrel 1-8, 15" KeyMod Rail, 5.56 NATO, *NEW*
    Add to Compare
    KM Tactical Upper w/Bolt & Carrier, 16" M4 Barrel 1-8, 15" KeyMod Rail, 5.56 NATO, *NEW*
    $330.00
  14. KM Tactical Upper w/Bolt & Carrier, 20" HBAR 1-8, 15" M-LOK Rail, .223 Wylde, *NEW*
    Add to Compare
    KM Tactical Upper w/Bolt & Carrier, 20" HBAR 1-8, 15" M-LOK Rail, .223 Wylde, *NEW*
    $375.00
  15. PWS MK111 Mod2 Upper, Complete, Piston Driven, 11" Keymod Rail w/PICMOD Tech, .223 Wylde, US Made, *NEW*
    Add to Compare
    PWS MK111 Mod2 Upper, Complete, Piston Driven, 11" Keymod Rail w/PICMOD Tech, .223 Wylde, US Made, *NEW*
    $1,349.95
  16. DPMS AR-15 Barrel Snap Ring, *NEW*
    Add to Compare
    DPMS AR-15 Barrel Snap Ring, *NEW*
    $1.95
  17. AR-15 Receiver Rear Takedown Pin Detent, by DS Arms, *NEW*
    Add to Compare
    AR-15 Receiver Rear Takedown Pin Detent, by DS Arms, *NEW*
    $1.40
  18. AR-15 / ZM4 Flat Top A3 Upper Receiver, Complete, Mil-Spec, by DS Arms, *NEW*
    Add to Compare
    AR-15 / ZM4 Flat Top A3 Upper Receiver, Complete, Mil-Spec, by DS Arms, *NEW*
    $100.00
  19. Colt Model 720 XM4 Carbine Upper Assembly, 14.5" Barrel, F/A 1/7, 5.56X45 NATO, *Good*
    Add to Compare
    Colt Model 720 XM4 Carbine Upper Assembly, 14.5" Barrel, F/A 1/7, 5.56X45 NATO, *Good*
    $799.95
  20. M4-A3 Upper Assembly, 16" Barrel, 5.56x45 NATO, 1x9 twist, *Good*
    Add to Compare
    M4-A3 Upper Assembly, 16" Barrel, 5.56x45 NATO, 1x9 twist, *Good*
    Rating:
    100%
    1 Review
    $319.95
    Out of stock
  21. Colt 604 M16 Upper Assembly 1970-1973, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Very Good*
    Add to Compare
    Colt 604 M16 Upper Assembly 1970-1973, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Very Good*
    Rating:
    100%
    1 Review
    $1,299.00
    Out of stock
  22. Colt Model 733 M16A2 Commando Upper Assembly, 11.5" Heavy Barrel, F/A 1/9, 5.56X45 NATO, *Very Good*
    Add to Compare
    Colt Model 733 M16A2 Commando Upper Assembly, 11.5" Heavy Barrel, F/A 1/9, 5.56X45 NATO, *Very Good*
    Rating:
    100%
    1 Review
    $999.00
    Out of stock
  23. Bushmaster XM15 Upper Assembly, Modular Carbine w/16" Barrel, Bolt Assembly, A2 Flash Hider, .223/ 5.56X45, *NEW*
    Add to Compare
    Bushmaster XM15 Upper Assembly, Modular Carbine w/16" Barrel, Bolt Assembly, A2 Flash Hider, .223/ 5.56X45, *NEW*
    $855.00
    Out of stock
  24. Radical Firearms AR-15 Barrel, 7.5", 7.62x39, *NEW*
    Add to Compare
    Radical Firearms AR-15 Barrel, 7.5", 7.62x39, *NEW*
    $99.00
    Out of stock
  25. Colt M16A1 Carbine Upper Receiver Assembly, 14.5" Barrel, Full-Auto, 5.56X45 NATO, *Good*
    Add to Compare
    Colt M16A1 Carbine Upper Receiver Assembly, 14.5" Barrel, Full-Auto, 5.56X45 NATO, *Good*
    $679.95
    Out of stock
  26. Colt Model 720 XM4 Carbine Upper Assembly, 14.5" Barrel, "CM" Marked, F/A 1/7, 5.56X45 NATO, *Very Good*
    Add to Compare
    Colt Model 720 XM4 Carbine Upper Assembly, 14.5" Barrel, "CM" Marked, F/A 1/7, 5.56X45 NATO, *Very Good*
    $829.95
    Out of stock
  27. AR-15 Pistol Barrel, 7 Inch, 1/9 RH Twist, 5.56mm, Stainless, *NEW*
    Add to Compare
    AR-15 Pistol Barrel, 7 Inch, 1/9 RH Twist, 5.56mm, Stainless, *NEW*
    $109.95
    Out of stock
  28. AR-15 Pistol Barrel, 11.5 Inch, 1/7 RH Twist, 5.56mm, Nitrided, *NEW*
    Add to Compare
    AR-15 Pistol Barrel, 11.5 Inch, 1/7 RH Twist, 5.56mm, Nitrided, *NEW*
    $111.95
    Out of stock
  29. Colt Model 723 / M16A2 Carbine Upper Receiver Assembly, 14.5" Barrel, Full-Auto,1/7, 5.56X45 NATO, *Good*
    Add to Compare
    Colt Model 723 / M16A2 Carbine Upper Receiver Assembly, 14.5" Barrel, Full-Auto,1/7, 5.56X45 NATO, *Good*
    $729.95
    Out of stock
  30. Colt 601 M16 Upper Assembly 1959-1963, 20" Barrel, 5.56X45 NATO, Duckbill Flash Hider, *Good*
    Add to Compare
    Colt 601 M16 Upper Assembly 1959-1963, 20" Barrel, 5.56X45 NATO, Duckbill Flash Hider, *Good*
    $1,294.00
    Out of stock
  31. Colt M4 Commando Upper Assembly, 11.5", 5.56X45 NATO, *Good*
    Add to Compare
    Colt M4 Commando Upper Assembly, 11.5", 5.56X45 NATO, *Good*
    $524.95
    Out of stock
  32. Colt M16A1 Upper Receiver Assembly, 20" Barrel, 5.56X45 NATO, *Excellent*
    Add to Compare
    Colt M16A1 Upper Receiver Assembly, 20" Barrel, 5.56X45 NATO, *Excellent*
    $998.00
    Out of stock
  33. M16A2 Upper Receiver, Used, Stripped, No Finish
    Add to Compare
    M16A2 Upper Receiver, Stripped, Poor Finish, *Used*
    $42.00
    Out of stock
  34. AR15/M16 Barrel Indexing Pin
    Add to Compare
    AR-15 / M16 Barrel Indexing Pin
    $1.20
    Out of stock
  35. Sharps Rifle Co. AR-15 25-45 Sharps Barrel, 20" HBAR, Stainless Steel, *NEW*
    Add to Compare
    Sharps Rifle Co. AR-15 25-45 Sharps Barrel, 20" HBAR, Stainless Steel, *NEW*
    $239.99
    Out of stock
  36. PWS MK118 Mod2 Upper, Complete, Piston Driven, 15" Keymod Rail w/PICMOD Tech, .223 Wylde, US Made, *NEW*
    Add to Compare
    PWS MK118 Mod2 Upper, Complete, Piston Driven, 15" Keymod Rail w/PICMOD Tech, .223 Wylde, US Made, *NEW*
    $1,349.95
    Out of stock
  37. AR-15 Pistol Barrel, 10.5 Inch, 1/10 RH Twist, 7.62X39, Nitrided, *NEW*
    Add to Compare
    AR-15 Pistol Barrel, 10.5 Inch, 1/10 RH Twist, 7.62X39, Nitrided, *NEW*
    $125.95
    Out of stock
  38. Colt 604 M16 Upper Assembly 1967-1969, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Very Good*
    Add to Compare
    Colt 604 M16 Upper Assembly 1967-1969, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Very Good*
    $1,399.00
    Out of stock
  39. Colt 604 M16 Upper Assembly 1967-1969, 20" Barrel, 5.56X45 NATO, 3-Prong Flash Hider, *Good*
    Add to Compare
    Colt 604 M16 Upper Assembly 1967-1969, 20" Barrel, 5.56X45 NATO, 3-Prong Flash Hider, *Good*
    $1,499.00
    Out of stock
  40. Colt 604 M16 Upper Assembly 1966-1967, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Good*
    Add to Compare
    Colt 604 M16 Upper Assembly 1966-1967, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Good*
    $1,249.00
    Out of stock
  41. Colt 604 M16 Upper Assembly 1970-1973, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Fair*
    Add to Compare
    Colt 604 M16 Upper Assembly 1970-1973, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Fair*
    $999.00
    Out of stock
  42. Colt 604 M16 Upper Assembly 1969-1971, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Good*
    Add to Compare
    Colt 604 M16 Upper Assembly 1969-1971, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Good*
    $1,249.00
    Out of stock
  43. Colt 604 M16 Upper Assembly 1969-1971, 20" Barrel, 5.56X45 NATO, Slick Side Bolt Carrier, *Fair*
    Add to Compare
    Colt 604 M16 Upper Assembly 1969-1971, 20" Barrel, 5.56X45 NATO, Slick Side Bolt Carrier, *Fair*
    $999.00
    Out of stock
  44. Colt M16A1 Project Upper Receiver, Flaking Finish, Sold *As Is*
    Add to Compare
    Colt M16A1 Project Upper Receiver, Flaking Finish, Sold *As Is*
    $119.95
    Out of stock
  45. M16A1 Upper Receiver (LM Marked) Assembly, 20" Colt Barrel, 1966-1969, 5.56x45 NATO
    Add to Compare
    M16A1 Upper Receiver (LM Marked) Assembly, 20" Colt Barrel, 1966-1969, 5.56x45 NATO
    $899.95
    Out of stock
  46. AR-15 M4 Barrel, 16 Inch, 1/9 RH Twist, 5.56mm, Nitrided, *NEW*
    Add to Compare
    AR-15 M4 Barrel, 16 Inch, 1/9 RH Twist, 5.56mm, Nitrided, *NEW*
    $119.95
    Out of stock
  47. AR-15 / M16 20" A2 Barrel, Take-Off, .223/5.56 *Good*
    Add to Compare
    AR-15 / M16 20" A2 Barrel, Take-Off, .223/5.56 *Good*
    $99.00
    Out of stock
  48. AR-15 Barrel Crush Washer, by DS Arms, *NEW*
    Add to Compare
    AR-15 Barrel Crush Washer, by DS Arms, *NEW*
    $2.00
    Out of stock
  49. Colt 601 M16 Upper Assembly, 20" Barrel, w/Pistol Grip, Brown, Duckbill Flash Hider, *Very Good*
    Add to Compare
    Colt 601 M16 Upper Assembly, 20" Barrel, w/Pistol Grip, Brown, Duckbill Flash Hider, *Very Good*
    $3,499.00
    Out of stock
  50. Colt 603 M16A1 Upper Assembly 1972-1974, 20" Barrel, A1 Flash Hider, 5.56X45 NATO, *Fair*
    Add to Compare
    Colt 603 M16A1 Upper Assembly 1972-1974, 20" Barrel, A1 Flash Hider, 5.56X45 NATO, *Fair*
    $949.00
    Out of stock
  51. Sharps Rifle Co. AR-15 25-45 Sharps Barrel, 18" HBAR, Stainless Steel, *NEW*
    Add to Compare
    Sharps Rifle Co. AR-15 25-45 Sharps Barrel, 18" HBAR, Stainless Steel, *NEW*
    $229.95
    Out of stock
  52. AR-15 Pistol Barrel, 7 Inch, 1/10 RH Twist, 7.62X39, Nitrided, *NEW*
    Add to Compare
    AR-15 Pistol Barrel, 7 Inch, 1/10 RH Twist, 7.62X39, Nitrided, *NEW*
    $115.95
    Out of stock
  53. Colt 601 M16 Upper Assembly 1959-1963, 20" Barrel, 5.56X45 NATO, A1 Flash Hider & Bolt Carrier, *Good*
    Add to Compare
    Colt 601 M16 Upper Assembly 1959-1963, 20" Barrel, 5.56X45 NATO, A1 Flash Hider & Bolt Carrier, *Good*
    $829.00
    Out of stock
  54. Colt 601 M16 Upper Assembly 1959-1963, 20" Barrel, 5.56X45 NATO, A1 Flash Hider & Bolt Carrier, *Good*
    Add to Compare
    Colt 601 M16 Upper Assembly 1959-1963, 20" Barrel, 5.56X45 NATO, A1 Flash Hider & Bolt Carrier, *Good*
    $849.00
    Out of stock
  55. Colt 604 M16 Upper Assembly 1970-1973, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Very Good*
    Add to Compare
    Colt 604 M16 Upper Assembly 1970-1973, 20" Barrel, 5.56X45 NATO, A1 Flash Hider, *Very Good*
    $1,249.00
    Out of stock
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  1. $0.00 - $999.99 42 item
  2. $1,000.00 - $1,999.99 12 item
  3. $3,000.00 and above 1 item
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  1. As-Is 1 item
  2. Excellent 1 item
  3. Fair 4 item
  4. Good 10 item
  5. New 4 item
  6. Very Good 7 item
Condition
  1. Good 1 item
  2. Very Good 1 item
Color
  1. Black 11 item
  2. Gray 2 item
Finish
  1. Anodized 1 item
  2. NiBX (Nitride) 1 item
  3. Original Finish 21 item
  4. Parkerized 1 item
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  1. NEW 28 item
  2. Used/Surplus 27 item