AR15 / SR15 Upper Receiver

Complete UppersGas Blocks, Muzzle Devices, BarrelsHandguards / Rail Systems & AccessoriesSuppressorsUpper Receiver Parts
Knight's Armament M4 M5 RAS Retainer

KAC-Knight’s Armament Clamp Screw Retainer Clip For M4 And M5 RAS

Purchase & earn 4 points! $4.01
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This product is currently out of stock.

KAC-Knight's Armament Coiled Spring Pin for NT4 Suppressors (24087)

KAC-Knight’s Armament Coiled Spring Pin for NT4 Suppressors

Purchase & earn 4 points! $3.55
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Sale! KAC-Knight's Armament Enhanced Compensator Kit (Triple Tap), 5.56mm

KAC-Knight’s Armament Enhanced Compensator Kit (Triple Tap), 5.56mm

Purchase & earn 400 points! Original price was: $591.38.Current price is: $399.99.
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KAC-Knight's Armament Forward Hand Stop With Barrier Stop, M-LOK

KAC-Knight’s Armament Forward Hand Stop With Barrier Stop, M-LOK

Purchase & earn 75 points! $75.36
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This product is currently out of stock.

KAC-Knight's Armament Forward Pistol Grip Assembly

KAC-Knight’s Armament Forward Pistol Grip Assembly

Earn up to 99 points. Price range: $84.24 through $99.30
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This product is currently out of stock.

This product has multiple variants. The options may be chosen on the product page
KAC-Knight's Armament Full Side Rail for 13" & 14.5" URX 4 Keymod Rails

KAC-Knight’s Armament Full Side Rail for 13″ & 14.5″ URX 4 Keymod Rails

Purchase & earn 74 points! $73.76
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This product is currently out of stock.

Knight's Armament Mid-Length Gas Tube For the SR-15 Mod 2 CQB

KAC-Knight’s Armament Gas Tube For the SR-15 11.5″ CQB Mod 2, 8 7/16″ Long

Purchase & earn 54 points! $54.11
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KAC-Knight's Armament Index Stop, M-Lok

KAC-Knight’s Armament Index Stop Assembly, M-Lok

Purchase & earn 63 points! $62.78
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KAC-Knight's Armament Keymod 5 Slot Rail Section

KAC-Knight’s Armament Keymod 5 Slot Rail Section

Purchase & earn 54 points! $53.79
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KAC-Knight's Armament Keymod 7 Slot Rail Section

KAC-Knight’s Armament Keymod 7 Slot Rail Section

Purchase & earn 55 points! $54.89
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KAC-Knight's Armament Keymod 9 Slot Rail Section

KAC-Knight’s Armament Keymod 9 Slot Rail Section

Purchase & earn 74 points! $73.75
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This product is currently out of stock.

KAC-Knight's Armament Keymod Barrier Stop Assembly

KAC-Knight’s Armament Keymod Barrier Stop Assembly

Purchase & earn 74 points! $73.76
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This product is currently out of stock.

KAC-Knight's Armament Keymod Belt Hook Assembly

KAC-Knight’s Armament Keymod Belt Hook Assembly

Purchase & earn 62 points! $62.18
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Black

KAC-Knight’s Armament Keymod Handstop

Earn up to 31 points. $31.17
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This product has multiple variants. The options may be chosen on the product page
KAC-Knight's Armament Keymod Rail Sling Mount

KAC-Knight’s Armament Keymod Rail Sling Mount

Purchase & earn 47 points! $47.09
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KAC-Knight's Armament Keymod Skeletonized Barrier Stop Assembly

KAC-Knight’s Armament Keymod Skeletonized Barrier Stop Assembly

Purchase & earn 74 points! $73.59
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This product is currently out of stock.

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