AR-15 Upper Receiver Parts

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  • KAC-Knight's Armament SR-25 CC Mod 2 M-Lok Upper Receiver Kit, 14.5" Barrel
    KAC-Knight's Armament SR-25 CC Mod 2 M-Lok Upper Receiver Kit, 14.5" Barrel $3,500.00
    Out of stock
  • KAC-Knight's Armament SR-25 CC Mod 2 M-Lok Upper Receiver Kit, 16" Barrel
    KAC-Knight's Armament SR-25 CC Mod 2 M-Lok Upper Receiver Kit, 16" Barrel $3,500.00
    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 PC Mod 2 M-Lok Upper Receiver Kit, 16" Barrel
    KAC-Knight's Armament SR-25 PC Mod 2 M-Lok Upper Receiver Kit, 16" Barrel $3,500.00
    Out of stock
  • KAC-Knight's Armament SR-25 PR Mod 2 M-Lok Upper Receiver Kit, 20" Barrel
    KAC-Knight's Armament SR-25 PR Mod 2 M-Lok Upper Receiver Kit, 20" Barrel $3,500.00
    Out of stock
  • 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
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  • KAC-Knight's Armament SR15/AR15 RAS Barrel Nut
    KAC-Knight's Armament SR15/AR15 RAS Barrel Nut $103.94
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  • KAC-Knight's Armament SR15/Pdw Triple Tap Muzzle Brake, Inconel
    KAC-Knight's Armament SR15/Pdw Triple Tap Muzzle Brake, Inconel $437.50
  • KAC-Knight's Armament SR25 Flash Suppressor Shim Kit, For 3/4"-24
    KAC-Knight's Armament SR25 Flash Suppressor Shim Kit, For 3/4"-24 $36.02
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  • KAC-Knight's Armament SR25 MK11 MOD 0 RAS 12 1/4"
    KAC-Knight's Armament SR25 MK11 MOD 0 RAS 12 1/4" $510.71
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  • KAC-Knight's Armament SR25/AR10 RAS Barrel Nut
    KAC-Knight's Armament SR25/AR10 RAS Barrel Nut $46.14
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  • KAC-Knight's Armament Standard Lower RAS Rail, Fits M4 RAS Or RIS
    KAC-Knight's Armament Standard Lower RAS Rail, Fits M4 RAS Or RIS $75.00
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  • KAC-Knight's Armament Standard SR25 Front Folding Sight
    KAC-Knight's Armament Standard SR25 Front Folding Sight $168.51 $165.14
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  • KAC-Knight's Armament Tri Mount Extended Rail
    KAC-Knight's Armament Tri Mount Extended Rail $293.94 $288.06
    Out of stock
  • KAC-Knight's Armament UK-SAS Lower RAS Rail W/Clamp, Fits M4 RAS Or RIS
    KAC-Knight's Armament UK-SAS Lower RAS Rail W/Clamp, Fits M4 RAS Or RIS $100.07
    Out of stock
  • KAC-Knight's Armament URX 3.0 & 3.1 8 Rib Rail Section Kit, Black Aluminum
    KAC-Knight's Armament URX 3.0 & 3.1 8 Rib Rail Section Kit, Black Aluminum $34.02
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  • Black
    KAC-Knight's Armament URX 3.0 & 3.1 8 Rib Rail Section Kit, Plastic $28.27
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  • KAC-Knight's Armament URX 3.0 & 3.1 Handstop, 1 HOLE
    KAC-Knight's Armament URX 3.0 & 3.1 Handstop, 1 HOLE $39.37
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  • KAC-Knight's Armament URX 3.1 7.62mm SR-25/M110K1 Carbine Rail, Black
    KAC-Knight's Armament URX 3.1 7.62mm SR-25/M110K1 Carbine Rail, Black $437.68
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  • KAC-Knight's Armament URX 3.1 Sling Swivel Kit
    KAC-Knight's Armament URX 3.1 Sling Swivel Kit $28.27
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  • KAC-Knight's Armament URX III 8" RAIL
    KAC-Knight's Armament URX III 8" RAIL $313.74
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  • KAC-Knight's Armament URX Rail SR25 Carbine With Integral Front Sight 10"
    KAC-Knight's Armament URX Rail SR25 Carbine With Integral Front Sight 10" $501.25 $491.23
    Out of stock
  • KAC-Knight's Armament URX3/3.1 Belt Hook Kit
    KAC-Knight's Armament URX3/3.1 Belt Hook Kit $50.24
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  • KAC-Knight's Armament URX3/3.1 Sling Hook Kit
    KAC-Knight's Armament URX3/3.1 Sling Hook Kit $50.25
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  • KAC-Knight's Armament Wing Nut For Aimpoint Mounts
    KAC-Knight's Armament Wing Nut For Aimpoint Mounts $14.04 $13.76
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  • KAC-Knight's Armement 30mm Reflex Mount For Aimpoint Comp Straight Up Mounting
    KAC-Knight's Armement 30mm Reflex Mount For Aimpoint Comp Straight Up Mounting $154.06
    Out of stock
  • KAC-Knights Armament SR15 Field Repair Kit, New Style
    KAC-Knights Armament SR15 Field Repair Kit, New Style $139.86
    Out of stock
  • Keymod Full Side Rail for 13" & 14.5" URX 4 Rails
    Keymod Full Side Rail for 13" & 14.5" URX 4 Rails $59.60
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  • Kinetic Development Group SCAR MREX™- MLOK™ 4.9″ SHORT
    Kinetic Development Group SCAR MREX™- MLOK™ 4.9″ SHORT $299.00 $278.07
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  • Kinetic Development Group SCAR MREX™- MLOK™ 6.5″
    Kinetic Development Group SCAR MREX™- MLOK™ 6.5″ $299.00 $278.07
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  • Kinetic Development Kinect MLOK 3 Slot (Single MLOK™) Picatinny Section
    Kinetic Development Kinect MLOK 3 Slot (Single MLOK™) Picatinny Section $49.99 $46.49
    Out of stock
  • Kinetic Development Kinect MLOK 7 Slot (Dual MLOK™) Picatinny Section
    Kinetic Development Kinect MLOK 7 Slot (Dual MLOK™) Picatinny Section $59.99 $55.79
    Out of stock
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