Knight's Armament SR-15 E3 Mod 2 5.56 NATO, 16 in Chrome-Lined Barrel, FDE – URX4 M-LOK, Ambi Controls, Two-Stage Trigger, Folding Sights
This Knight's Armament SR-15 E3 Mod 2 stands out for its E3 bolt with rounded lugs, fully ambidextrous controls, and a factory two-stage trigger, all in a Flat Dark Earth finish. It features a 16-inch chrome-lined barrel, a KAC URX4 free-float M-LOK handguard with a continuous 12 o'clock rail, low-profile folding micro sights, and a three-prong flash hider. Factory specs note an overall length of about 33.5–36.5 inches and a weight of about 6.55 lb.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are minimal markings from prior handling and use. Please refer to the photos for details.
What’s Included
- Knight's Armament SR-15 E3 Mod 2 5.56 NATO rifle in Flat Dark Earth (FDE), with factory low-profile folding micro sights installed
- 1x 30-round Amend2 polymer magazine
- Magpul carbine stock (black), not installed
- Magpul pistol grip (black), not installed
- KAC M-LOK 5-slot rail section (Part No. 31912), in factory packaging
The SR-15 E3 Mod 2 configuration includes the KAC E3 bolt with rounded lugs and fully ambidextrous controls, including an ambidextrous paddle-style magazine release and ambidextrous safety. It ships with a factory two-stage trigger for a defined take-up and break.
The 16-inch chrome-lined barrel is paired with a three-prong flash hider. The KAC URX4 free-float M-LOK handguard provides a continuous 12 o'clock rail and M-LOK slots for accessory placement while maintaining a rigid, low-profile front end.
This rifle wears a Flat Dark Earth finish across the receiver and furniture, with an adjustable stock and an FDE Magpul MOE-K2 grip installed. Low-profile folding micro sights are installed from the factory, ready for precise backup sighting.