AR-15 Upper Receiver Parts

Sort by:
  • KAC-Knight's Armament 45 DEG Offset Rail Mounted Micro 300m Sight Kit
    KAC-Knight's Armament 45 DEG Offset Rail Mounted Micro 300m Sight Kit $204.12
    Out of stock
  • KAC-Knight's Armament 45 Degree Offset Micro Front and Rear Sight Set
    KAC-Knight's Armament 45 Degree Offset Micro Front and Rear Sight Set $252.00
    Out of stock
  • KAC-Knight's Armament 5 Rib Handguard Panel, 3.47 Inch Length, Black
    KAC-Knight's Armament 5 Rib Handguard Panel, 3.47 Inch Length, Black $22.60
    Add To Cart
  • KAC Knight's Armament 5.56mm Mini-MAMS (Multi-Axis Muzzle Stability) Brake (30168)
    KAC-Knight's Armament 5.56mm Mini-MAMS (Multi-Axis Muzzle Stability) Brake $302.35
    Add To Cart
  • KAC-Knight's Armament 5.56mm QDC Flash Eliminator 3 Prong Flash Hider
    KAC-Knight's Armament 5.56mm QDC Flash Eliminator 3 Prong Flash Hider $105.00
    Add To Cart
  • Black 6 Rib Panel
    KAC-Knight's Armament 6 Rib Handguard Panel, 3.90 Inch Length $22.60
    Choose Options
  • KAC-Knight's Armament 7.62 MAMS (Multi-Axis Muzzle Stability) Brake, 3/4-24 Thread
    KAC-Knight's Armament 7.62 MAMS (Multi-Axis Muzzle Stability) Brake, 3/4-24 Thread $403.15
    Add To Cart
  • KAC-Knight's Armament 7.62mm MAMS (Malti-Axis Muzzle Stability) Muzzle Brake 5/8-24 Thread
    KAC-Knight's Armament 7.62mm MAMS (Malti-Axis Muzzle Stability) Muzzle Brake 5/8-24 Thread $403.15
    Out of stock
  • KAC-Knight's Armament 7.62mm QDS Flash Suppressor Kit Threaded 5/8-24
    KAC-Knight's Armament 7.62mm QDS Flash Suppressor Kit Threaded 5/8-24 $151.20
    Out of stock
  • KAC-Knight's Armament 7.62mm QDS Flash Suppressor Kit, 3/4"-24 Thread
    KAC-Knight's Armament 7.62mm QDS Flash Suppressor Kit, 3/4"-24 Thread $151.20
    Add To Cart
  • KAC-Knight's Armament 9 Rib Handguard Panel, 5.48 Inch Length
    KAC-Knight's Armament 9 Rib Handguard Panel, 5.48 Inch Length $22.60
    Choose Options
  • KAC-Knight's Armament Aimpoint Micro High NVG Quick Detach Mount Kit
    KAC-Knight's Armament Aimpoint Micro High NVG Quick Detach Mount Kit $157.50
    Add To Cart
  • KAC-Knight's Armament Aimpoint Micro Offset Rail Mount
    KAC-Knight's Armament Aimpoint Micro Offset Rail Mount $62.50
    Add To Cart
  • KAC-Knight's Armament Aimpoint Micro Sight Battery Cap
    KAC-Knight's Armament Aimpoint Micro Sight Battery Cap $37.74
    Add To Cart
  • KAC-Knight's Armament Aimpoint Micro Sight Mount
    KAC-Knight's Armament Aimpoint Micro Sight Mount $189.00
    Add To Cart
  • KAC-Knight's Armament AR15/SR15 RAS Handguard Nut
    KAC-Knight's Armament AR15/SR15 RAS Handguard Nut $67.25
    Add To Cart
  • KAC-Knight's Armament Bipod Stud & Nut Assy. For RAS Forend
    KAC-Knight's Armament Bipod Stud & Nut Assy. For RAS Forend $18.90
    Add To Cart
  • KAC-Knight's Armament Coiled Spring Pin for NT4 Suppressors
    KAC-Knight's Armament Coiled Spring Pin for NT4 Suppressors $2.95
    Add To Cart
  • KAC-Knight's Armament Forward Pistol Grip Assembly
    KAC-Knight's Armament Forward Pistol Grip Assembly $67.66
    Choose Options
  • KAC-Knight's Armament H&K RAS Aimpoint Mount
    KAC-Knight's Armament H&K RAS Aimpoint Mount $248.19 $243.23
    Add To Cart
  • KAC-Knight's Armament H&K RAS Rail Mount
    KAC-Knight's Armament H&K RAS Rail Mount $212.93 $208.67
    Add To Cart
  • KAC-Knight's Armament KeyMod 5 Slot Rail Section
    KAC-Knight's Armament KeyMod 5 Slot Rail Section $43.47
    Add To Cart
  • KAC-Knight's Armament KeyMod 9 Slot Rail Section
    KAC-Knight's Armament KeyMod 9 Slot Rail Section $59.60
    Add To Cart
  • KAC-Knight's Armament Keymod Belt Hook Assembly
    KAC-Knight's Armament Keymod Belt Hook Assembly $50.25
    Add To Cart
  • Black
    KAC-Knight's Armament Keymod Handstop $25.19
    Choose Options
  • KAC-Knight's Armament Keymod Rail Sling Mount
    KAC-Knight's Armament Keymod Rail Sling Mount $38.05
    Add To Cart
  • KAC-Knight's Armament KeyMod Sight Kit With 300M Rear Sight (30759)
    KAC-Knight's Armament KeyMod Sight Kit With 300M Rear Sight $280.67 $209.95
    Add To Cart
  • KAC-Knight's Armament Keymod Sling Hook Assy
    KAC-Knight's Armament Keymod Sling Hook Assy $50.24
    Add To Cart
  • KAC-Knight's Armament Locking Front Folding Sight, Fits SR15, SR16, M16, AR-15 With 0.750 Inch Barrel
    KAC-Knight's Armament Locking Front Folding Sight, Fits SR15, SR16, M16, AR-15 With 0.750 Inch Barrel $459.95
  • KAC-Knight's Armament Long Scope Ring Riser, 6" Long, 3/4" High
    KAC-Knight's Armament Long Scope Ring Riser, 6" Long, 3/4" High $149.00
    Out of stock
  • KAC-Knight's Armament Low Profile 30mm Sight Mount
    KAC-Knight's Armament Low Profile 30mm Sight Mount $230.43
    Add To Cart
  • KAC-Knight's Armament Low Profile Gas Block, AR15 ID 0.750"
    KAC-Knight's Armament Low Profile Gas Block, AR15 ID 0.750" $109.29
    Add To Cart
  • KAC-Knight's Armament M-110 Flash Suppressor, Includes Shim Kit
    KAC-Knight's Armament M-110 Flash Suppressor, Includes Shim Kit $163.80
    Add To Cart
  • KAC-Knight's Armament M-LOK Rail Section, 5 Slot
    KAC-Knight's Armament M-LOK Rail Section, 5 Slot $41.58
    Add To Cart
  • M1A/M14 RAS
    KAC-Knight's Armament M14 And M1A Rifle RAS, Deluxe Model With Rear Scope Mount Base $569.53 $558.14
    Out of stock
  • KAC-Knight's Armament M16 Leaf Sight For M203 Granade Launcher, Mounts To KAC RAS
    KAC-Knight's Armament M16 Leaf Sight For M203 Granade Launcher, Mounts To KAC RAS $242.96 $238.10
    Add To Cart
  • KAC-Knight's Armament M203 QD Mount, KAC
    KAC-Knight's Armament M203 QD Mount, KAC $415.39 $407.08
    Add To Cart
  • KAC-Knight's Armament M249 RAS
    KAC-Knight's Armament M249 RAS $373.75
    Out of stock
  • KAC-Knight's Armament M4 RAS Handguad Leaf Spring
    KAC-Knight's Armament M4 RAS Handguad Leaf Spring $5.95
    Add To Cart
  • KAC-Knight's Armament M4 URX, 5.56mm 7 3/16"
    KAC-Knight's Armament M4 URX, 5.56mm 7 3/16" $243.00
×
×