AR15 / SR15 Upper Receiver

Complete Uppers Gas Blocks, Muzzle Devices, Barrels Handguards / Rail Systems & Accessories Suppressors Upper Receiver Parts

Showing 241–256 of 402 results

Knight's Armament URX 2 & URX 3 Replacement Front Sight Elevation Knob (25347)

KAC-Knight’s Armament URX 2 & URX 3 Replacement Front Sight Elevation Knob

Purchase & earn 7 points! $7.47

KAC-Knight's Armament URX 2 & URX 3 Replacement Front Sight Leaf, Black

KAC-Knight’s Armament URX 2 & URX 3 Replacement Front Sight Leaf, Black

Purchase & earn 83 points! $83.25

This product is currently out of stock.

Knight's Armament URX 2 & URX 3 Replacement Front Sight Post (20413)

KAC-Knight’s Armament URX 2 & URX 3 Replacement Front Sight Post

Purchase & earn 19 points! $18.63

Knight's Armament URX 2 & URX 3 Replacement Handguard Screw (22449)

KAC-Knight’s Armament URX 2 & URX 3 Replacement Handguard Screw

Purchase & earn 4 points! $4.26

This product is currently out of stock.

Knight's Armament URX 3 & 3.1 Panel Kit/Rail Section Spare Screw

KAC-Knight’s Armament URX 3 & 3.1 Panel Kit/Rail Section Spare Screw

Purchase & earn 4 points! $3.93

Panel Kit/Rail Section/Handstop Spare Nut

KAC-Knight’s Armament URX 3 & 3.1 Panel Kit/Rail Section/Handstop Spare Nut

Purchase & earn 4 points! $3.93

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

Purchase & earn 42 points! $42.11

This product is currently out of stock.

Black

KAC-Knight’s Armament URX 3.0 & 3.1 8 Rib Rail Section Kit, Plastic

Earn up to 35 points. $34.98

Black

KAC-Knight’s Armament URX 3.0 & 3.1 Handstop, 1 HOLE

Earn up to 49 points. $48.72

KAC-Knight's Armament URX 3.1 5.56mm 10.75" Length

KAC-Knight’s Armament URX 3.1 5.56mm 10.75″ Length

Purchase & earn 373 points! $372.66

This product is currently out of stock.

KAC-Knight's Armament URX 3.1 5.56mm 13.5" Length

KAC-Knight’s Armament URX 3.1 5.56mm 13.5″ Length

Purchase & earn 373 points! $372.66

This product is currently out of stock.

KAC-Knight's Armament URX 3.1 Sling Swivel Kit

KAC-Knight’s Armament URX 3.1 Sling Swivel Kit

Purchase & earn 33 points! $33.31

This product is currently out of stock.

KAC-Knight's Armament URX 4 IBN Keymod Rail 5.56mm 10.0" Length

KAC-Knight’s Armament URX 4 IBN Keymod Rail 5.56mm 10.0″ Length

Purchase & earn 345 points! $344.75

This product is currently out of stock.

KAC-Knight's Armament URX 4 IBN Keymod Rail 5.56mm 10.75" Length

KAC-Knight’s Armament URX 4 IBN Keymod Rail 5.56mm 10.75″ Length

Purchase & earn 352 points! $351.62

This product is currently out of stock.

KAC-Knight's Armament URX 4 IBN Keymod Rail 5.56mm 13.0" Length

KAC-Knight’s Armament URX 4 IBN Keymod Rail 5.56mm 13.0″ Length

Purchase & earn 358 points! $358.47

This product is currently out of stock.

KAC-Knight's Armament URX 4 IBN Keymod Rail 5.56mm 14.5" Length

KAC-Knight’s Armament URX 4 IBN Keymod Rail 5.56mm 14.5″ Length

Purchase & earn 374 points! $373.91