Knights Armament 5.56MM SR-15 KS-1 13.7" Rifle System - 121439
Save 5% MSRP: $3,287.52$3,123.14
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Experience unparalleled precision and reliability with the Knights Armament 5.56mm SR-15 KS-1 13.7″ Rifle System, engineered for the discerning shooter who demands elite performance in tactical scenarios. This premium AR-15 platform rifle combines cutting-edge innovation with battle-proven durability, delivering a seamless shooting experience that enhances accuracy and control whether you’re on the range or in dynamic environments.
Key Features
- Cold Hammer Forged Barrel: The 13.7-inch heavy-profile barrel, made from 32CrMoV12-10 steel with chrome lining and a 1:7 twist rate, ensures exceptional accuracy and longevity. Ball-mill dimpling reduces weight while minimizing heat-induced shifts for consistent performance during extended sessions.
- URX6 M-LOK Handguard: Self-indexing design provides rock-solid attachment points for accessories, offering modularity without compromising barrel rigidity or heat dissipation.
- Ambidextrous Controls: Fully ambidextrous lower receiver with right-side bolt hold-open enhances usability for all shooters, reducing fatigue in high-stress situations.
- Quick Detach Coupling (QDC) System: Integrated flash hider allows for rapid suppressor attachment, optimizing for low back-pressure operation to maintain reliability when suppressed.
- Two-Stage Match Trigger: Crisp, drop-in trigger delivers precise control, improving shot placement and follow-up speed.
Specifications
- Caliber: 5.56mm NATO
- Action: Semi-Automatic
- Barrel Length: 13.7 inches
- Overall Length: 32.2″ – 35.2″ (adjustable)
- Weight: 6.88 lbs (110.1 oz)
- Finish: Black Anodized
- Stock Material: Synthetic, adjustable
- Magazine Capacity: 30 rounds
- Condition: New
- CA Compliant: No
Why Choose the SR-15 KS-1?
In a market flooded with tactical rifles, the SR-15 KS-1 stands out by addressing common pain points like reliability under suppression and ergonomic efficiency. Its advanced E3 bolt carrier group and optimized gas system reduce recoil and cycling issues, allowing you to stay on target longer without the hassle of frequent maintenance. Built for professionals and enthusiasts alike, this rifle solves the challenge of balancing compactness with power, making it ideal for close-quarters maneuvers or precision engagements. Unlike standard AR-15s, the KS-1’s suppressor-ready design and premium materials ensure it performs flawlessly in adverse conditions, giving you confidence in every round fired.
Elevate your arsenal today with the Knights Armament SR-15 KS-1 13.7″ Rifle System. Discover the difference that superior engineering makes and take your shooting to the next level.
Frequently Asked Questions
Q: Is the SR-15 KS-1 suppressor compatible?
A: Yes, it features a QDC flash hider for quick and secure suppressor attachment, designed to handle reduced back-pressure for optimal suppressed performance.
Q: What sets the KS-1 apart from the standard SR-15?
A: The KS-1 includes a fully ambidextrous lower, dimpled heavy-profile barrel optimized for suppressors, and enhanced controls tailored for high-efficiency operation in tactical roles.
Q: What is the effective range of this rifle?
A: With its 1:7 twist barrel and 5.56mm NATO chambering, the SR-15 KS-1 excels at 300-500 yards, depending on ammunition and shooter skill, providing versatile mid-range accuracy.
| Weight | 110.1 oz |
|---|---|
| Dimensions | 33.5 × 2.75 × 8.9 in |
| Action | Semi-Auto |
| Barrel Length | 13.7 |
| Cartridge Compatibility | 5.56 NATO |
| Finish | Black |
| Stock Material | Synthetic |
| Magazine Capacity | 30 |
| Condition | New |
| CA Compliant | No |
| MPN | 121439 |
| UPC | 819064019169 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
