AR-15 Upper Receiver Parts

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  • KAC-Knight's Armament M4/M5 RAS Hardware Kit
    KAC-Knight's Armament M4/M5 RAS Hardware Kit $28.21
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  • KAC-Knight's Armament Micro Front Flip Up Sight
    KAC-Knight's Armament Micro Front Flip Up Sight $154.38
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  • KAC-Knight's Armament Mid-Length Gas Tube For the SR-15 Mod 1, 13" Long
    KAC-Knight's Armament Mid-Length Gas Tube For the SR-15 Mod 1, 13" Long $57.08
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  • KAC-Knight's Armament MK 11 Mod 0 Folding Front Sight, Push Button Locked
    KAC-Knight's Armament MK 11 Mod 0 Folding Front Sight, Push Button Locked $243.75
  • KAC-Knight's Armament NT4 Gate Latch Assembly
    KAC-Knight's Armament NT4 Gate Latch Assembly $46.01
    Out of stock
  • KAC-Knight's Armament NT4 Suppressor Retainer Ring
    KAC-Knight's Armament NT4 Suppressor Retainer Ring $33.75
    Out of stock
  • KAC-Knight's Armament Offset Rail Mount Kit,45-Degree
    KAC-Knight's Armament Offset Rail Mount Kit,45-Degree $132.30
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  • KAC-Knight's Armament One Piece Extended Eye Relief Scope Mount, 34mm
    KAC-Knight's Armament One Piece Extended Eye Relief Scope Mount, 34mm $330.50
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  • Black
    KAC-Knight's Armament One Piece Scope Mount, 30mm $330.50
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  • Black
    KAC-Knight's Armament One Piece Scope Mount, 34mm $408.24
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  • KAC-Knight's Armament Panel Kit, Deluxe, URX III & 3.1
    KAC-Knight's Armament Panel Kit, Deluxe, URX III & 3.1 $86.63
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  • KAC-Knight's Armament Panel Kit, Long URX 3 & 3.1
    KAC-Knight's Armament Panel Kit, Long URX 3 & 3.1 $42.53
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  • KAC-Knight's Armament Panel Kit, URX 3 & 3.1
    KAC-Knight's Armament Panel Kit, URX 3 & 3.1 $47.25
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  • Black
    KAC-Knight's Armament Panel Kit, URX 4 $20.11
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  • KAC-Knight's Armament Peep Aperture For 300 M Sight
    KAC-Knight's Armament Peep Aperture For 300 M Sight $2.39
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  • KAC-Knight's Armament Picatinny Rail Thumb Rest, Black
    KAC-Knight's Armament Picatinny Rail Thumb Rest, Black $19.07
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  • KAC-Knight's Armament QD Flash Hider
    KAC-Knight's Armament QD Flash Hider $97.02
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  • KAC-Knight's Armament Railed Riser, High
    KAC-Knight's Armament Railed Riser, High $49.90
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  • KAC-Knight's Armament Railed Riser, Low
    KAC-Knight's Armament Railed Riser, Low $49.90
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  • KAC-Knight's Armament RAS M-4 Carbine Rail Adapter System With Three 11 Rib Panels
    KAC-Knight's Armament RAS M-4 Carbine Rail Adapter System With Three 11 Rib Panels $250.73
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  • KAC-Knight's Armament RAS M-5 Rifle, Rail Adapter System With Three 11 Rib Panels
    KAC-Knight's Armament RAS M-5 Rifle, Rail Adapter System With Three 11 Rib Panels $278.52
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  • KAC-Knight's Armament RAS M4 Canadian, With UK/SAS Lower Rail
    KAC-Knight's Armament RAS M4 Canadian, With UK/SAS Lower Rail $445.13
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  • KAC-Knight's Armament RAS M4 Carbine Rail Adapter System, Mil-Pack
    KAC-Knight's Armament RAS M4 Carbine Rail Adapter System, Mil-Pack $472.75 $463.30
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  • KAC-Knight's Armament RIS, Rail Interface System
    KAC-Knight's Armament RIS, Rail Interface System $351.39
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  • KAC-Knight's Armament Short Scope Ring Riser, 4 Inches Long, 3/4 Inch High
    KAC-Knight's Armament Short Scope Ring Riser, 4 Inches Long, 3/4 Inch High $92.29 $90.44
  • KAC-Knight's Armament SR-15 RAS Handguard Pin
    KAC-Knight's Armament SR-15 RAS Handguard Pin $5.50
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  • KAC-Knight's Armament SR-15/AR15 URX Barrel Nut
    KAC-Knight's Armament SR-15/AR15 URX Barrel Nut $34.65
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  • KAC-Knight's Armament SR-15E3 IWS Mod1 Upper Receiver Assembly
    KAC-Knight's Armament SR-15E3 IWS Mod1 Upper Receiver Assembly $1,500.00
    Out of stock
  • KAC-Knight's Armament SR-25 Ejection Port Cover Assembly, Extended
    KAC-Knight's Armament SR-25 Ejection Port Cover Assembly, Extended $30.71
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  • KAC-Knight's Armament SR-25 Ejection Port Pin
    KAC-Knight's Armament SR-25 Ejection Port Pin $14.60
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  • KAC-Knight's Armament SR-25 Ejector Spring
    KAC-Knight's Armament SR-25 Ejector Spring $6.54
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  • KAC-Knight's Armament SR-25 Extractor Buffer
    KAC-Knight's Armament SR-25 Extractor Buffer $7.84
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  • KAC-Knight's Armament SR-25 Extractor Spring
    KAC-Knight's Armament SR-25 Extractor Spring $5.23
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  • KAC-Knight's Armament SR-25 Firing Pin
    KAC-Knight's Armament SR-25 Firing Pin $62.36
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  • KAC-Knight's Armament SR-25 RAS Handguard Pin
    KAC-Knight's Armament SR-25 RAS Handguard Pin $5.50
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  • KAC-Knight's Armament SR-25 Shell Deflector
    KAC-Knight's Armament SR-25 Shell Deflector $121.60 $119.17
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  • KAC-Knight's Armament SR-25 Spare URX Barrel Nut
    KAC-Knight's Armament SR-25 Spare URX Barrel Nut $71.50
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  • KAC-Knight's Armament SR-25 URX Rifle Length With Folding Front Sight, XM-110 SASS 12 1/2"
    KAC-Knight's Armament SR-25 URX Rifle Length With Folding Front Sight, XM-110 SASS 12 1/2" $699.68
    Out of stock
  • KAC-Knight's Armament SR15/AR15 RAS Barrel Nut
    KAC-Knight's Armament SR15/AR15 RAS Barrel Nut $103.94
    Out of stock
  • KAC-Knight's Armament SR15/Pdw Triple Tap Muzzle Brake, Inconel
    KAC-Knight's Armament SR15/Pdw Triple Tap Muzzle Brake, Inconel $437.50
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