Description
The Tier 1 Tactical Kratos 11.5 SBR in FDE/BLK delivers compact power, precision engineering, and premium performance in a short-barreled rifle platform. Designed for maneuverability without sacrificing durability, this AR15 SBR is built for shooters who demand reliability in a compact 5.56 NATO configuration.
With a cold hammer forged barrel, billet receiver set, and premium internal components, the Kratos 11.5 SBR provides smooth cycling, consistent accuracy, and rugged performance in demanding environments.
11.5 SBR with Cold Hammer Forged Barrel
At the core of this 11.5 SBR is an 11.5″ Cold Hammer Forged (CHF) 4150 CMV barrel featuring:
- 1:7 twist rate optimized for 5.56 NATO stabilization
- Chrome-lined bore for extended service life
- Heavy profile with dimpled fluting for strength and weight reduction
- Magnesium Phosphate (MP) coating for corrosion resistance
- Carbine-length gas system for reliable and consistent cycling
This barrel configuration ensures long-term durability and dependable performance across a wide range of 5.56 NATO ammunition.
Billet Receiver 11.5 SBR Platform
The Kratos 11.5 AR SBR is built on precision-machined 7075-T6 billet aluminum upper and lower receivers finished with Type III hardcoat anodizing for superior strength and corrosion resistance.
- Billet 7075-T6 aluminum construction
- Mil-spec component compatibility
- Tight tolerances for enhanced rigidity and durability
This robust foundation ensures structural integrity under hard use conditions.
Premium Internal Components for the 11.5 SBR
This 11.5 SBR is equipped with high-end components engineered for reliability and smooth operation:
- DLC-coated auto bolt carrier (8620 steel)
- K-SPEC enhanced AR-15 bolt (C158 steel, MP3 finish, dual ejector)
- Geissele Super 42 braided wire buffer spring with H2 buffer
- Strike Industries Advanced 7-position receiver extension (7075-T6)
- Strike Industries Tribus castle nut with 3 QD mounting positions
These components reduce wear, enhance cycling consistency, and maintain dependable performance.
Performance Controls & Ergonomics
- Tier 1 Tactical AR Pro single-stage trigger (adjustable 1.5–5 lbs, flat face)
- Radian Talon ambidextrous safety selector (45° / 90° throw)
- Ambidextrous bolt catch
- Radian Raptor LT charging handle
- 6061-T6 aluminum M-LOK handguard with QD sling points
- Magpul MOE SL-S stock with waterproof storage and enhanced cheek weld
- Priapus vertical-angle grip with reinforced polymer construction
The ergonomic configuration enhances control, recoil management, and comfort in this compact 11.5 SBR platform.
11.5 SBR Specifications
- Caliber: 5.56 NATO
- Barrel Length: 11.5″
- Gas System: Carbine-length
- Overall Length: Approximately 29″ – 32″
- Weight: Approximately 6.2 lbs
- Twist Rate: 1:7
- Finish: Type III Hardcoat Anodized
- Color: FDE / Black
Built for Compact Performance.
The Tier 1 Tactical Kratos 11.5 SBR combines premium construction, compact handling, and dependable 5.56 NATO performance for shooters who require a high-quality short-barreled rifle platform.




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