# Knights Armament SR-15 Tactical Lower 5.56 NATO - Black Finish

**Brand:** Knights Armament
**Category:** Parts
**Caliber:** 5.56 NATO

## Specifications

- **Caliber:** 5.56 NATO
- **UPC:** 819064011514
- **SKU:** UCEQ2n7X8

## Description

The Knights Armament Company SR-15 25780 is a semi-automatic lower chambered in 5.56 NATO with a black finish. Knights Armament has a long track record supplying military and law enforcement, and this lower reflects that lineage in its fit and finish.

### Key Specifications
- **Caliber:** 5.56 NATO
- **Condition:** New in Box
- **Finish Per Color:** Black
- **Manufacturer:** Knights Armament
- **Manufacturer Part Number:** 25780
- **Model:** 25780
- **Type:** Lowers
- **UPC:** 819064011514

### Detailed Features
The SR-15 lower is built from materials selected for durability and weight balance. Its semi-automatic action allows fast follow-up shots while keeping the shooter in control. The black finish resists wear and environmental exposure. The lower accepts standard SR-15-compatible uppers and parts kits, which makes it straightforward to configure for your preferred setup.

Knights Armament components are machined to tight tolerances, so the fit with mating parts tends to be solid rather than sloppy.

## Frequently Asked Questions

**Q: What caliber is the Knights Armament SR-15 lower?**

A: The SR-15 lower is chambered in 5.56 NATO.

**Q: Who makes the SR-15 lower?**

A: Knights Armament Company manufactures it.

**Q: What type of part is the Knights Armament SR-15 lower?**

A: It is a semi-automatic lower receiver with a black finish, designed to accept SR-15-compatible uppers.

**Q: What finish does the Knights Armament SR-15 lower have?**

A: It has a black finish that resists wear and environmental exposure.

**Q: Where can I buy the Knights Armament SR-15 lower?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The Knights Armament SR-15 Tactical Lower in 5.56 NATO draws a consistent response from owners: respect for the build quality paired with honest questions about whether the price makes sense for a given use case.

Build quality comes up in almost every discussion. Users point to the materials and machining as clearly above average, and the lower holds up well under sustained use. Accuracy and reliability get similar treatment. Shooters who run it in competition or tactical training report that it just works.

The ergonomics earn favorable marks too. Controls are intuitive and the receiver handles comfortably during extended sessions. Customization is another recurring topic; the SR-15 platform accepts a wide range of stocks, grips, and accessories without much fuss.

Price is the main point of contention. KAC gear is not cheap, and some users feel comparable performance is available for less. Others argue the fit and finish justify the cost. The brand's history and reputation do seem to carry real weight in these conversations. Most owners came in knowing what they were buying.

Newer shooters sometimes mention a learning curve in getting the most out of the platform, while experienced owners tend to rate it highly without reservation.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Gunbuyer Com | $1149.99 |

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*Data from [GunsNation](https://gunsnation.com)*