KAC Knights Armament Corp. SR-15 E3 5.56mm NATO 18″ Upper Receiver AR-15

SOLD FOR: $2525

Make: Knights Armament Corp.

Model: SR-15 E3, M-LOK

Caliber: 5.56mm NATO

Barrel Twist: 1:7

Barrel Length: 18” with a Flash Eliminator

Action Type: Mid-Length Dictator Adjustable Gas Operated Semi-Auto Upper Receiver

Markings: The left side of the hand-guard is marked “KNIGHTARMCO.COM” and the right is marked “URX 3, 1 13, 5 P/N – 30326”. The left side of the magazine well is marked “SR-15 E3” and “LPR”. The right side of the receiver is marked with a keyhole forge mark. The top of the rail is marked with Knight’s Armament logo.

Handguard Configuration and Condition: The barrel sits free-floating in the 13 1/2″ Knights Armament handguard that has a Picatinny rail along the top, QD mounts on both sides front and rear, VRX handstop and side rails. There are scattered minor nicks and scuffs, most notable on edges. Overall, this upper is in Fine-plus condition.

Sights/Optics: There are no iron sights.

Type of Finish: Nitride Barrel, Black Anodized Aluminum

Finish Originality: Original

Bore Condition: The bore is mostly bright and the rifling is sharp. There is no erosion in the bore, but some minor stubborn fouling persists in spots.

Overall Condition: This barrel retains approximately 99% of its metal finish. There are a few scattered light marks only. Some of the most noticeable wear is on the flash eliminator. The markings are clear. Overall, this upper assembly is in Fine-to-Excellent condition.

Charging Handle: Extended Catch

Box, Paperwork, and Accessories: None.