---
title: "Knights Armament SR-15 Assembled Upper Receiver"
description: "Black anodized aluminum SR-15 upper receiver with factory-installed forward assist and ejection port door assemblies. Fits FF RAS 5 and URX 6 handguards."
canonical_url: "https://www.kygunco.com/product/knights-armament-sr-15-upper-rcvr-assembled-notched-for-ar-15"
meta:
  author: KYGUNCO
  "og:description": "Black anodized aluminum SR-15 upper receiver with factory-installed forward assist and ejection port door assemblies. Fits FF RAS 5 and URX 6 handguards."
  "og:image": "https://cdn.kygunco.com/assets/products/316737/thumbnail.jpg?v=1787776482"
  "og:image:height": "500"
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  "og:title": "Knights Armament SR-15 Assembled Upper Receiver"
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KNG-123878

![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/316737/main.jpg?v=1787776482)

For illustration purposes only, this image may not be an exact representation of the product.

# KNIGHTS ARMAMENT SR-15 Upper Rcvr Assembled Notched for AR-15

The Knights Armament SR-15 assembled upper receiver is a right-hand, black anodized aluminum upper configured for .223 Remington/5.56x45mm NATO AR-15 builds. It includes factory-installed forward assist and ejection port door assemblies, with compatibility for FF RAS 5 and URX 6 handguards plus KS and mil-spec lower receivers.

$205.20

**

5 interest-free payments of **$41.04** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg)

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Flat Rate

$13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees.

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Ships To Your Home

Handled by our expert shippers in Bardstown, KY.

Selling fast. Limited quantities available.

Item #

316737

Style

KNG-123878

Condition

New

Manufacturer

[Knights Armament](https://www.kygunco.com/brand/knights-armament)

Weight

2 lb

The Knight's Armament SR-15 Assembled Upper Receiver is a factory-configured upper designed as the foundation for custom AR-15 builds utilizing FF RAS 5 or URX 6 handguards. Precision-machined from aluminum and finished in black anodizing, it arrives with key components already installed for streamlined assembly and compatibility with both KS and mil-spec lower receivers.

FEATURES

- Factory-installed forward assist assembly
- Factory-installed ejection port door assembly
- Compatible with FF RAS 5 handguards
- Compatible with URX 6 handguards
- Interfaces with KS lower receivers
- Interfaces with mil-spec AR-15 lower receivers
- Right-hand configuration

SPECIFICATIONS

- Caliber: .223 Remington / 5.56x45mm NATO
- Receiver Style: Assembled
- Material: Aluminum
- Finish: Anodized
- Color: Black
- Make/Model Fit: Knight's Armament SR-15, AR-15 Universal
- Length: 2.20"
- Width: 1.25"
- Height: 7.80"
- Weight: 0.45 lbs.

**

WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov).

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```

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