Buy Sell Consign

Knights Armament AR-15 for Sale

Founded: 1982

HQ: United States

Knight's Armament Company is an American manufacturer founded in 1982 by C. Reed Knight Jr. The company is known for pioneering the widely used RIS/RAS accessory rail systems and for designing the U.S. military’s Mk 11 Mod 0 and M110 Semi-Automatic Sniper System.

Knights Armament AR-15 Auctions

1 active auctions ending soon

Knights Armament KAC SR-15 E3 Mod 2 5.56 NATO AR15 SR15 AR URX +TWO MAGS

Knights Armament KAC SR-15 E3 Mod 2 5.56 NATO AR15 SR15 AR URX +TWO MAGS

Knights Armament KAC SR-15 SR15 AR15 AR

Recently Sold

Knights Armament KAC SR-15 E3 Mod 2 5.56 NATO AR15 AR SR15 +TWO MAGS

Sold On 07/29/2026

Knights Armament KAC SR-15 E3 Mod 2 5.56 NATO AR15 AR SR15 +TWO MAGS

Knights Armament KAC SR-15 AR SR15 AR15 URX4 M-LOK

Knights Armament KAC SR-15 E3 Mod 2 5.56 NATO AR15 AR FDE SR15 +OG PARTS

Sold On 06/26/2026

Knights Armament KAC SR-15 E3 Mod 2 5.56 NATO AR15 AR FDE SR15 +OG PARTS

Knights Armament KAC SR-15 AR15 AR SR15 URX4 M-LOK

SBR Knights Armament KAC SR-15 CQB Mod 2 5.56 NATO AR15 SR15 +ORIG BOX

Sold On 06/09/2026

SBR Knights Armament KAC SR-15 CQB Mod 2 5.56 NATO AR15 SR15 +ORIG BOX

Knights KAC SR-15 AR SR15 AR15 E3 BOLT URX 4 M-LOK

KNIGHTS ARMAMENT! KAC SR-15 AR15 E3 Mod 2 Carbine 5.56 NATO 16" +MAG & CASE

Sold On 04/10/2026

KNIGHTS ARMAMENT! KAC SR-15 AR15 E3 Mod 2 Carbine 5.56 NATO 16" +MAG & CASE

BATTLE READY! Knights Armament KAC SR15 556 AR-15

LOWER RECEIVER Knights Armament KAC SR-15 IWS 5.56 NATO AR15 SR15 AR

Sold On 03/25/2026

LOWER RECEIVER Knights Armament KAC SR-15 IWS 5.56 NATO AR15 SR15 AR

Knights Armament KAC SR-15 SR15 556 AR15 AR

Knights Armament KAC SR-15 E3 MOD 2 5.56 NATO AR15 AR 16" SR15 Stoner Rifle

Sold On 03/20/2026

Knights Armament KAC SR-15 E3 MOD 2 5.56 NATO AR15 AR 16" SR15 Stoner Rifle

Knights Armament KAC SR-15 556 AR15 AR SR15

Knights Armament KAC SR-15 E3 IWS Mod 1 5.56 NATO AR15 16" +4 MAGS

Sold On 01/30/2026

Knights Armament KAC SR-15 E3 IWS Mod 1 5.56 NATO AR15 16" +4 MAGS

Knights Armament KAC SR-15 556 AR15 SR15 URX Rail

DESIRED FDE Knights Armament KAC SR-15 E3 MOD 2 AR15 SR15 3 MAGS

Sold On 10/17/2025

DESIRED FDE Knights Armament KAC SR-15 E3 MOD 2 AR15 SR15 3 MAGS

Knights KAC SR-15 SR15 556 AR15 ORIG CASE KEYMOD

DESIRED Knights Armament KAC SR-15 E3 Mod 2 SR15 5.56 NATO AR AR15 16"

Sold On 10/15/2025

DESIRED Knights Armament KAC SR-15 E3 Mod 2 SR15 5.56 NATO AR AR15 16"

Knights KAC SR-15 556 AR15 AR URX-4 M-LOK

STONER RIFLE Knights Armament KAC SR-15 E3 Carbine 5.56 NATO 16.1" KAC SR15

Sold On 04/18/2025

STONER RIFLE Knights Armament KAC SR-15 E3 Carbine 5.56 NATO 16.1" KAC SR15

Knights Armament KAC SR-15 AR-15 AR15 AR SR15 E3

STONER RIFLE Knights Armament SR-15 Mod 2 SR15 5.56 SR-15 Knights-Armament

Sold On 10/07/2024

STONER RIFLE Knights Armament SR-15 Mod 2 SR15 5.56 SR-15 Knights-Armament

Knights Armament KAC SR-15 AR-15 AR15 AR SR15

Knights Armament (KAC) SR-15 M5 Stoner Rifle 5.56 NATO SR-15 7 MAGS & OPTIC

Sold On 08/16/2024

Knights Armament (KAC) SR-15 M5 Stoner Rifle 5.56 NATO SR-15 7 MAGS & OPTIC

Ban Era Knights Armament SR-15 Tactical Combat

Knights Armament KAC SR-15 CQB MOD.2 SBR 5.56 NATO 11.5" SR-15 SR15 +5 MAGS

Sold On 08/09/2024

Knights Armament KAC SR-15 CQB MOD.2 SBR 5.56 NATO 11.5" SR-15 SR15 +5 MAGS

Knights Armament KAC SR-15 AR-15 SR15 +DRAGO CASE

Knights Armament (KAC) SR-15 E3 Mod 2 5.56 NATO 16" SR-15 Stoner +ORIG CASE

Sold On 07/29/2024

Knights Armament (KAC) SR-15 E3 Mod 2 5.56 NATO 16" SR-15 Stoner +ORIG CASE

Knights Armament (KAC) SR-15 SR15 AR-15 AR15 FDE

Knights Armament (KAC) SR-15 E3 Mod 0 5.56 NATO 16" AR-15 AR15 SR-15 AR E3

Sold On 11/21/2023

Knights Armament (KAC) SR-15 E3 Mod 0 5.56 NATO 16" AR-15 AR15 SR-15 AR E3

Knights Armament (KAC) SR-15 E3 AR-15 AR15 AR