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The Knights Armament SR-15E3 IWS Carbine MOD I is a 5.56 NATO/223 Rem rifle featuring a 16” hammer forged chrome-lined barrel with a 1:7 twist. Rifles includes the URX3.1 13.5” rail system with integrated flip-up sights. The SR-15 also comes with a telescoping SOPMOD stock and one magazine. The Stoner Rifle 15 series are semi-automatic rifle featuring the URX (upper receiver extending) free floating barrel system, an ambidextrous control system, a two-stage trigger, an improved multi-lug E3 bolt and integral front sight and sling mounts. The SR-15E3 features multi-lug improved E3 Bolt assuring reliability and function of the rifle.
The latest evolution of Knight's SR-15E3 MOD I 16” Carbine now features an improved URX 3.1 with a longer overall length to allow for better muzzle stabilization. This alternation allows for reduced weight by removing the commonly unused rail section of the system. This longer rail also help with muzzle stabilization increasing accuracy. It also allows shooters who prefer a thinner rail diameter the ability to still mount accessories on the front end of the weapon while providing a comfortable grip. This is already a comprehensive package on its own and does not require excessive modular accessories for performance enhancement. The KAC SR-15 is the first rifle model with an Integral Weapons System (IWS) that combines both built-in and modular features. Unlike many of the AR-15's currently on the marker Knights Armament produces the majority of their parts in house. This ensures each part meets the KAC's quality standard and meets their own stringent benchmarks. Knights Armament utilizes the latest technology to ensure that each part manufactured conforms to the highest standards. KAC submits every product they manufacture to evaluations which scrutinize every aspect of the platform. Thousands of our nation's troops, law enforcement officers and everyday citizens experience the renowned reputation of these weapon systems and can attest to their quality. Knights Armament is regarded by many and producing the best complete rifles available to the commercial market.
Knight’s Armament employs a hammer-forging process on a number of there barrels and chambers, which serves to increase the quality of their interior finish, as well as increasing the durability and life of the barrel. These barrels are then Chrome-lined to further the lifespan of the barrel and increase its resistance to fouling and corrosion. (Read More)
E3 Enhanced Bolt:
The E3 Enhanced Bolt from Knight’s Armament features a number of components designed to make this bolt the most durable and reliable bolt available. It is a proprietary bolt specifically designed for our SR15 and 16 models. The E3 Bolt boasts several features that add to the its overall performance such as the enlarged bolt face, rounded lugs, reduced cam pin, and proprietary extractor and firing pin designs. (Read More)
Knight’s Armament designed this system to give shooters the maximum amount of options in their controls. Under this design all of the weapon’s major controls can be accessed from either side of the lower receiver. Left-handed shooters see the immediate benefits of being able to access the weapon’s controls in a more intuitive manner; however, there are a number of other benefits that right-handed shooters will enjoy under this system. (Read More)
Two-Stage Match Trigger:
All of the weapons available from Knight’s Armament come equipped with a 4.5lb, 2-Stage Match Trigger. This type of trigger mechanism uses a system where, during the rearward squeeze of a trigger, it cycles through two stages of resistance. (Read More)
Universal Rail Extending (URX):
The evolution of the Universal Rail Extending (URX) begins over 20 years ago with Knight’s Armament pioneering the Modular Weapon System. Knight’s URX is a lightweight, free-floating, continuous top rail system that was designed to give a shooter the most diverse amount of placement options for any accessories they deemed helpful. (Read More)
7 Integrated Sling Swivel Mounts: 5 at Front, 2 on the Rear
Integrated Rail Folding Front Sight
Ambidextrous Safety / Selector
Integrated "Picatinny Rail" Mid-Length URX Forend
Ambidextrous Bolt Catch
Removable Mid-Length Lower Rail
Ambidextrous Magazine Catch
Mid-Length (Battle Rifle) Gas Tube
Hammer Forged 1:7" Twist Chrome Lined & Bore Barrel
Gloved Finger Trigger Guard
SOCOM Type Sloping Cheekpiece Adjustable Length Stock
Two Stage Match-Trigger (4.5 lbs)
Weight: 6.6 lbs
Length: 33” (Stock Retracted)
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