Knights Armament SR-15 KS-4 5.56 NATO 16" M-LOK – Premium Semi-Automatic Rifle
The Knights Armament SR-15 KS-4 5.56 NATO 16" M-LOK (121442) is a high-end, professional-grade semi-automatic rifle built to the exacting standards that Knights Armament is renowned for. Chambered in 5.56 NATO with a 16-inch barrel and featuring a modern M-LOK handguard, this rifle delivers exceptional accuracy, reliability, and modularity. Designed for serious shooters, law enforcement professionals, and discerning enthusiasts, the SR-15 KS-4 represents one of the finest production AR-15 platforms available on the market today.
Knights Armament has long been trusted by elite military units and special operations forces around the world. The SR-15 KS-4 continues this legacy by combining proven engineering with modern features that meet the demands of today’s tactical and competitive shooters.
Key Features of the Knights Armament SR-15 KS-4 5.56 NATO
16-Inch Barrel
Optimized 16-inch barrel provides an excellent balance of velocity, maneuverability, and overall rifle length for general-purpose and tactical use.
M-LOK Handguard
Modern M-LOK compatible handguard allows for lightweight and secure mounting of accessories while maintaining a slim profile.
Premium Build Quality
Manufactured with Knights Armament’s signature attention to detail, tight tolerances, and high-quality components throughout.
Why Choose the Knights Armament SR-15 KS-4 5.56 NATO 16" M-LOK?
When searching for a premium 5.56 NATO rifle that offers professional-grade performance, the Knights Armament SR-15 KS-4 5.56 NATO 16" M-LOK (121442) is one of the top choices available. Knights Armament has built its reputation on producing some of the most reliable and accurate AR-15 platforms in the industry. The SR-15 series is particularly respected for its robust construction, smooth operation, and long-term durability under hard use. The 16-inch barrel on the KS-4 model strikes an ideal balance between ballistic performance and handling. It provides sufficient velocity for effective terminal performance at typical engagement distances while keeping the overall length of the rifle manageable for tactical movement and vehicle use. This barrel length is highly popular among law enforcement, competitive shooters, and civilian users who want a versatile all-around rifle. The M-LOK handguard is a major upgrade over older rail systems. It allows users to mount accessories such as lights, lasers, grips, and bipods exactly where needed without adding unnecessary weight. The slim profile of the M-LOK handguard also improves handling and comfort during extended shooting sessions. Combined with the high-quality upper and lower receivers, the SR-15 KS-4 offers a modern, modular platform that can be easily customized to meet specific mission requirements or personal preferences. Knights Armament rifles are known for their exceptional fit and finish. Every component is carefully machined and assembled to tight tolerances, resulting in a rifle that functions reliably even under adverse conditions. The SR-15 KS-4 includes a 30-round magazine and is built to accept standard AR-15 magazines, giving users plenty of capacity for training, competition, or defensive use. Whether you are a professional operator, a serious competitive shooter, or a civilian looking for a top-tier 5.56 NATO rifle, the Knights Armament SR-15 KS-4 delivers the performance, reliability, and quality that the brand is famous for. Its combination of a 16-inch barrel, M-LOK handguard, and premium construction makes it a versatile and dependable choice for a wide range of applications. Investing in a Knights Armament SR-15 means owning a rifle that is built to the same standards as those used by some of the most elite units in the world. The KS-4 model brings that level of quality into a modern, feature-rich package that is ready for duty, competition, or recreational use.
- Knights Armament SR-15 KS-4 Semi-Automatic Rifle
- Chambered in 5.56 NATO
- 16-Inch Barrel
- M-LOK Compatible Handguard
- Includes One 30-Round Magazine
- Black Finish
- Premium Fit and Finish
- Highly Reliable and Accurate
- Model: 121442
Technical Specifications – Knights Armament SR-15 KS-4
| Specification | Details |
|---|
| Brand | Knights Armament |
| Model | SR-15 KS-4 |
| Part Number | 121442 |
| Caliber | 5.56 NATO |
| Barrel Length | 16 Inches |
| Handguard | M-LOK |
| Magazine Capacity | 30 Rounds (1 Included) |
| Finish | Black |
| Action | Semi-Automatic |
| Key Benefits | Premium Quality, Reliability, Modularity |
| Best For | Tactical Use, Competition, General Purpose |
Shop the Knights Armament SR-15 KS-4 5.56 NATO 16" M-LOK today.
The Knights Armament SR-15 KS-4 5.56 NATO 16" M-LOK (121442) is a premium semi-automatic rifle featuring a 16-inch barrel and modern M-LOK handguard. Built to the highest standards by Knights Armament, this 5.56 NATO rifle offers exceptional reliability, accuracy, and modularity. Includes one 30-round magazine and is finished in black. Ideal for tactical professionals, competitive shooters, and serious enthusiasts seeking a top-tier AR-15 platform. Part Number: 121442.
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