Knights Armament (KAC) SR-15 Mod2 E3 Upper Receiver Group 14.5" Barrel

Military grade maximum performance upper receiver group - 14.5" 5.56 NATO AR Platform with MLOK rail

This is Knights flagship upper receiver for the AR15 SR-15 platform.  Years of research and development.  Expensive, yes.  Hard to find, yes, yes !!  Build like a tank, yes, yes, yes !!! Do you need this?  No.  Do you drool all over it and want it on top of your performance lower, you bet you do.

FEATURES

• 14.5" Inch Chrome Lined Barrel With New Mod 2 Gas Block
• 200-600m Knight's Armament Micro Rear Sight
• Knight's Armament Micro Front Sight
• E3 Enhanced Bolt, designed to outlast the barrel
• M16 Full Auto Bolt Carrier, Chrome Lined
• Knight's Armament URX 4 M-Lok Handguard
• Knight's Armament 3 Prong Flash Hider, Accepts Knight's QDC Suppressors

Unmatched Durability and Performance

Experience the pinnacle of firearm technology with the Knights Armament (KAC) SR-15 Mod2 E3 Upper Receiver Group. This flagship product, with an M4 sized barrel, designed for the AR15 SR-15 platform, is the result of years of meticulous research and development. Its military-grade durability and superior performance make it a coveted addition to any firearm enthusiast's collection.

Precision Engineered for Excellence

The SR-15 E3 Mod 2 series' 5.56mm NATO barrel is manufactured for military-grade durability and is free-floated inside a URX4 M-LOK handguard. The improved E3 round-lug bolt design enhances function and significantly increases bolt life, setting a new industry standard.  Let's face it.  Knights Armament rifles and upper receivers are the BMW in their class.  LOL.

Advanced Flash Elimination

The 5.56mm 3-Prong Flash Eliminator interferes with propellant gas combustion forward of the muzzle to significantly reduce flash signature. It will not ring upon firing or when struck and is compatible with Knight's line of 5.56mm QDC Signature Reduction Devices.

FAQ's

Question: What makes the Knights Armament (KAC) SR-15 Mod2 E3 Upper Receiver Group stand out from other similar products?

Answer: The KAC SR-15 Mod2 E3 Upper Receiver Group stands out due to its military-grade durability, superior performance, and advanced flash elimination technology. It's designed with an improved E3 round-lug bolt that enhances function and significantly increases bolt life, setting a new industry standard.

Question: What is the significance of the 5.56mm 3-Prong Flash Eliminator?

Answer: The 5.56mm 3-Prong Flash Eliminator is a key feature of the KAC SR-15 Mod2 E3. It interferes with propellant gas combustion forward of the muzzle to significantly reduce flash signature, ensuring a clear line of sight for the shooter. It's also designed to not ring upon firing or when struck, and is compatible with Knight's line of 5.56mm QDC Signature Reduction Devices.

Question: What is the barrel length of the KAC SR-15 Mod2 E3 Upper Receiver Group?

Answer: The KAC SR-15 Mod2 E3 Upper Receiver Group features a 14.5" barrel. This length provides a balance of accuracy and maneuverability, making it suitable for a variety of shooting scenarios.  Like the M4 Carbine, 14.5" is a popular common barrel length.  For use in the civilian world, a 14.5" barrel on a standard rifle lower receiver becomes a short barreled rifle, subject to NFA laws and registration.  Many customers ask us to pin and weld a flash hider permanently to the barrel to create a 16" (non-NFA) rifle.

Question: What is the weight of the KAC SR-15 Mod2 E3 Upper Receiver Group?

Answer: The KAC SR-15 Mod2 E3 Upper Receiver Group weighs 4.0 lbs. This lightweight design makes it easy to handle and operate, enhancing user comfort and control.

Question: What is the compatibility of the KAC SR-15 Mod2 E3 Upper Receiver Group?

Answer: The KAC SR-15 Mod2 E3 Upper Receiver Group is designed for the AR15 SR-15 platform. It's a versatile component that can enhance the performance of your existing firearm setup.  While some billet lowers might have a snug fit, Charlie's recommends forged military grade lowers from brands like KAC, LMT, FN, Colt, Rock River, etc.

Question: What other brands of high-end upper receiver groups do your customers look at when choosing a KAC?

Answer: Certainly, Knights stands out as a premium brand in the military correct space.  Our customers tend to look for high performing military grade upper receivers.  Some other brands that are often compared with Knights include:  LMT Defense, Geissele, Noveske, LaRue and some custom military correct builds from Potomac Armory.

Specifications