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KNIGHTS ARMAMENT
SR-15 E3 MOD 2 UPPER RECEIVERS M-LOK

819064015970 100023386
Knight’s Armament Company, or KAC, is known to many for their top tier, military issued rifles and parts. Brownells is proud to offer this line of Knight’s Armament SR-15 MOD 2 complete upper receivers that allow you to easily complete a build or upgrade a rifle with battle proven quality. Built around a chrome lined, cold hammer forged barrel in your choice of 11.5”, 14.5” 16” & 18” lengths with a Mod 2 gas block, and fitted with a KAC 3 prong QDC suppressor compatible flash hider. The Knight’s Armament SR-15 MOD 2 complete upper receivers feature the URX M-LOK handguards that each have 2 anti-rotation QD sling swivel sockets and even includes a Magpul M-LOK rail cover kit. On top you’ll find the KAC Micro Front Sight and at the rear the KAC 200-600m micro rear sight that is flip up and adjustable for windage and elevation. The included bolt carrier group features the improved E3.2 bolt that has dual ejectors and rounded locking lugs that work in conjunction with the proprietary barrel extension. Also included is an extended latch charging handle. The 14.5” MOD 2 complete upper receivers’ flash hider does not come from the factory pinned to the barrel. Knight’s Armament HH buffer comes with the 11.5" and 14.5" upper receivers only, as the shortened gas systems require it for proper function.
2533.95 2667.45 3 GBP
Product no.: 100023386
KNIGHTS ARMAMENT AR-15 UPPER RECEIVER CQB MOD 2 11.5" URX 4
Mfr Part: 31963 819064015970 Knight’s Armament Company, or KAC, is known to many for their top tier, military issued rifles and parts. Brownells is proud to offer this line of Knight’s Armament SR-15 MOD 2 complete upper receivers that allow you to easily complete a build or upgrade a rifle with battle proven quality. Built around a chrome lined, cold hammer forged barrel in your choice of 11.5”, 14.5” 16” & 18” lengths with a Mod 2 gas block, and fitted with a KAC 3 prong QDC suppressor compatible flash hider. The Knight’s Armament SR-15 MOD 2 complete upper receivers feature the URX M-LOK handguards that each have 2 anti-rotation QD sling swivel sockets and even includes a Magpul M-LOK rail cover kit. On top you’ll find the KAC Micro Front Sight and at the rear the KAC 200-600m micro rear sight that is flip up and adjustable for windage and elevation. The included bolt carrier group features the improved E3.2 bolt that has dual ejectors and rounded locking lugs that work in conjunction with the proprietary barrel extension. Also included is an extended latch charging handle. The 14.5” MOD 2 complete upper receivers’ flash hider does not come from the factory pinned to the barrel. Knight’s Armament HH buffer comes with the 11.5" and 14.5" upper receivers only, as the shortened gas systems require it for proper function.
2533.95 GBP 0 £2,533.95 *
Is a 'Call to order' product.
Not available.
Specs: Cartridge: 5.56 mm NATO Color: Black Finish: Anodized Length: 11.5'' Make: AR-15 Style: M-LOK

Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. Knight’s Armament SR-15 MOD 2 complete upper receivers are designed for AR-15 builds with options including 11.5" chrome lined, cold hammer forged barrels and a Mod 2 gas block.
  2. The uppers feature URX M-LOK handguards with QD sling swivels, KAC Micro Front and 200-600m adjustable rear sights, and come with a Magpul M-LOK rail cover kit.
  3. Includes an improved E3.2 bolt carrier group with dual ejectors, rounded locking lugs, and an extended latch charging handle; the 11.5" and 14.5" models include a Knight’s Armament HH buffer.

Attributes

Cartridge: 5.56 mm NATO Colour: Black Finish: Anodized Length: 11.5'' Make: AR-15 Style: M-LOK Delivery weight: 2.495kg

Item details

Made in USA
US export classification: I(g)



Product no.: 100023387
KNIGHTS ARMAMENT AR-15 UPPER RECEIVER CARBINE MOD 2 14.5" URX 4
Mfr Part: 31949 819064016120 Knight’s Armament Company, or KAC, is known to many for their top tier, military issued rifles and parts. Brownells is proud to offer this line of Knight’s Armament SR-15 MOD 2 complete upper receivers that allow you to easily complete a build or upgrade a rifle with battle proven quality. Built around a chrome lined, cold hammer forged barrel in your choice of 11.5”, 14.5” 16” & 18” lengths with a Mod 2 gas block, and fitted with a KAC 3 prong QDC suppressor compatible flash hider. The Knight’s Armament SR-15 MOD 2 complete upper receivers feature the URX M-LOK handguards that each have 2 anti-rotation QD sling swivel sockets and even includes a Magpul M-LOK rail cover kit. On top you’ll find the KAC Micro Front Sight and at the rear the KAC 200-600m micro rear sight that is flip up and adjustable for windage and elevation. The included bolt carrier group features the improved E3.2 bolt that has dual ejectors and rounded locking lugs that work in conjunction with the proprietary barrel extension. Also included is an extended latch charging handle. The 14.5” MOD 2 complete upper receivers’ flash hider does not come from the factory pinned to the barrel. Knight’s Armament HH buffer comes with the 11.5" and 14.5" upper receivers only, as the shortened gas systems require it for proper function.
2534.95 GBP 0 £2,534.95 *
Is a 'Call to order' product.
Not available.
Specs: Cartridge: 5.56 mm NATO Color: Black Contour: Carbine Finish: Anodized Length: 14.5'' Make: AR-15 Style: M-LOK Twist: 1-7
Product no.: 100023389
KNIGHTS ARMAMENT AR-15 UPPER RECEIVER LPR MOD 2 18" URX
Mfr Part: 32309 819064016250 Knight’s Armament Company, or KAC, is known to many for their top tier, military issued rifles and parts. Brownells is proud to offer this line of Knight’s Armament SR-15 MOD 2 complete upper receivers that allow you to easily complete a build or upgrade a rifle with battle proven quality. Built around a chrome lined, cold hammer forged barrel in your choice of 11.5”, 14.5” 16” & 18” lengths with a Mod 2 gas block, and fitted with a KAC 3 prong QDC suppressor compatible flash hider. The Knight’s Armament SR-15 MOD 2 complete upper receivers feature the URX M-LOK handguards that each have 2 anti-rotation QD sling swivel sockets and even includes a Magpul M-LOK rail cover kit. On top you’ll find the KAC Micro Front Sight and at the rear the KAC 200-600m micro rear sight that is flip up and adjustable for windage and elevation. The included bolt carrier group features the improved E3.2 bolt that has dual ejectors and rounded locking lugs that work in conjunction with the proprietary barrel extension. Also included is an extended latch charging handle. The 14.5” MOD 2 complete upper receivers’ flash hider does not come from the factory pinned to the barrel. Knight’s Armament HH buffer comes with the 11.5" and 14.5" upper receivers only, as the shortened gas systems require it for proper function.
2667.45 GBP 0 £2,667.45 *
Is a 'Call to order' product.
Not available.
Specs: Cartridge: 5.56 mm NATO Color: Black Finish: Anodized Length: 18'' Make: AR-15 Style: M-LOK

Upgrade your AR-15 with the Knight's Armament SR-15 E3 Mod 2 Upper Receiver 🛠️. Choose the 11.5'' M-LOK style for top-tier, battle-ready quality. Shop now! 🔫🎯

Knight’s Armament Company, or KAC, is known to many for their top tier, military issued rifles and parts. Brownells is proud to offer this line of Knight’s Armament SR-15 MOD 2 complete upper receivers that allow you to easily complete a build or upgrade a rifle with battle proven quality. Built around a chrome lined, cold hammer forged barrel in your choice of 11.5”, 14.5” 16” & 18” lengths with a Mod 2 gas block, and fitted with a KAC 3 prong QDC suppressor compatible flash hider. The Knight’s Armament SR-15 MOD 2 complete upper receivers feature the URX M-LOK handguards that each have 2 anti-rotation QD sling swivel sockets and even includes a Magpul M-LOK rail cover kit. On top you’ll find the KAC Micro Front Sight and at the rear the KAC 200-600m micro rear sight that is flip up and adjustable for windage and elevation. The included bolt carrier group features the improved E3.2 bolt that has dual ejectors and rounded locking lugs that work in conjunction with the proprietary barrel extension. Also included is an extended latch charging handle. The 14.5” MOD 2 complete upper receivers’ flash hider does not come from the factory pinned to the barrel. Knight’s Armament HH buffer comes with the 11.5" and 14.5" upper receivers only, as the shortened gas systems require it for proper function.