AR15 / SR15 Upper Receiver

Complete UppersGas Blocks, Muzzle Devices, BarrelsHandguards / Rail Systems & AccessoriesSuppressorsUpper Receiver Parts

Showing 225–240 of 402 results

KAC-Knight's Armament SR15, KS2 Upper Receiver Kit, 14.5"

KAC-Knight’s Armament SR15, KS2 Upper Receiver Kit, 14.5″

Purchase & earn 1,800 points! $1,800.00
Read more

This product is currently out of stock.

KAC-Knight's Armament SR15/AR15 RAS Barrel Nut

KAC-Knight’s Armament SR15/AR15 RAS Barrel Nut

Purchase & earn 139 points! $138.51
Add to cart
KAC-Knight's Armament SR15/Pdw Triple Tap Muzzle Brake, Inconel

KAC-Knight’s Armament SR15/Pdw Triple Tap Muzzle Brake, Inconel

Purchase & earn 438 points! $437.50
Read more

This product is currently out of stock.

116748

KAC-Knight’s Armament SR25 E2, Mod 1 Field Repair Kit

Purchase & earn 256 points! $255.64
Add to cart
KAC-Knight's Armament SR25 RAS Handguard Nut

KAC-Knight’s Armament SR25 RAS Handguard Nut

Purchase & earn 85 points! $85.37
Read more

This product is currently out of stock.

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

Purchase & earn 118 points! $117.94
Read more

This product is currently out of stock.

KAC-Knight's Armament Suppressor Shroud, 5.56, CRS-1

KAC-Knight’s Armament Suppressor Shroud, 5.56, CRS-1

Earn up to 227 points. $226.80
Select options
This product has multiple variants. The options may be chosen on the product page
122295-BLK

KAC-Knight’s Armament Suppressor Shroud, 5.56, CRS-2 and CRS-3

Earn up to 227 points. $226.80
Select options
This product has multiple variants. The options may be chosen on the product page
KAC-Knight's Armament Suppressor Shroud, 5.56, MCQ-1, MCQ-2, 4"

KAC-Knight’s Armament Suppressor Shroud, 5.56, MCQ-1, MCQ-2, 4″

Earn up to 227 points. $226.80
Select options

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 Suppressor, H&K, MK23, .45 cal

KAC-Knight’s Armament Suppressor, H&K, MK23, .45 cal

Purchase & earn 1,310 points! $1,310.12
Read more

This product is currently out of stock.

KAC-Knight's Armament Suppressor, H&K, USP, .45 cal

KAC-Knight’s Armament Suppressor, H&K, USP, .45 cal

Purchase & earn 1,310 points! $1,310.12
Read more

This product is currently 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

Purchase & earn 118 points! $117.94
Read more

This product is currently out of stock.

KAC-Knight's Armament Upper Receiver Kit, SR-15 LPR MOD 2, 18" Barrel, URX 4, M-LOK

KAC-Knight’s Armament Upper Receiver Kit, SR-15 LPR MOD 2, 18″ Barrel, URX 4, M-LOK

Purchase & earn 2,433 points! $2,433.12
Read more

This product is currently out of stock.

KAC-Knight's Armament URX 2 & URX 3 Front Sight Locking Block

KAC-Knight’s Armament URX 2 & URX 3 Front Sight Locking Block

Purchase & earn 17 points! $17.41
Add to cart
KAC-Knight's Armament URX 2 & URX 3 Front Sight Push Button

KAC-Knight’s Armament URX 2 & URX 3 Front Sight Push Button

Purchase & earn 11 points! $11.45
Add to cart
KAC-Knight's Armament URX 2 & URX 3 Front Sight Spring

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

Purchase & earn 9 points! $8.97
Add to cart

Stay connected

Subscribe to our newsletter!

Stay informed on new arrivals, restocks and exclusive deals.

Email Subscription

To top