+1 1800 212 3434
$47.79 Original price was: $47.79.$42.88Current price is: $42.88.
B5 Systems SRK-1656 Sierra K Stock in Flat Dark Earth is a compact, mil-spec AR-15 stock with QD sling mount and minimalist design. Ideal for SBRs and tactical builds.
The B5 Systems SRK-1656 Sierra K Stock in Flat Dark Earth (FDE) is a compact, durable, and mission-ready buttstock designed for mil-spec AR-15 buffer tubes. Lightweight yet rugged, the Sierra K delivers tight maneuverability and enhanced sling compatibility, making it a perfect choice for SBRs, truck guns, or minimalist tactical builds.
Engineered for shooters who prioritize streamlined control and mission efficiency, the B5 Sierra K SRK-1656 eliminates bulk while retaining high performance. With its snag-free profile, ambidextrous QD sling mount, and mil-spec compatibility, this stock helps you move quickly and confidently through tight environments, whether it’s a close-quarters setup or a lightweight patrol rifle.
Finished in Flat Dark Earth, this version blends perfectly into desert, urban, and woodland camouflage configurations.
✅ Minimalist, Combat-Ready Design
Ultra-compact profile ideal for CQB and fast deployment
Smooth edges for tangle-free performance with gear or vests
✅ Mil-Spec Fit & Rock-Solid Stability
Engineered to fit mil-spec diameter buffer tubes only
Wobble-resistant interface ensures tight lock-up
✅ QD Sling Mount + Loop
Ambidextrous QD socket for quick-swap slings
Traditional M4 sling loop included for flexibility
✅ Flat Dark Earth (FDE) Finish
Matches desert and flat-color tactical builds
Durable color-matched polymer for long-lasting aesthetics
✅ Lightweight Durability
Impact-resistant polymer construction
Built to withstand rigorous field use and recoil stress
Feature | Details |
---|---|
Brand | B5 Systems |
Model | SRK-1656 Sierra K |
Platform | AR-15 / AR-platform rifles |
Compatibility | Mil-spec buffer tubes only |
Color | Flat Dark Earth (FDE) |
Material | Reinforced lightweight polymer |
Mounting | Ambidextrous QD socket + M4 loop |
Weight | Approx. 7 oz |
Length of Pull | Dependent on buffer tube adjustment positions |
Country of Manufacture | Made in the USA |
The B5 Sierra K in FDE gives tactical builders a no-nonsense stock that prioritizes function, form, and fit. With its clean footprint and sling adaptability, it’s ideal for law enforcement, home defense, or range-ready AR builds.
Tactical color match for FDE-themed rifles
Built for extreme durability and weight reduction
Zero-frills solution for mission-focused operators
✅ Supports ambidextrous sling configurations
Q: Is the SRK-1656 compatible with commercial buffer tubes?
A: No. It is specifically engineered to fit mil-spec tubes only.
Q: Does this model come with a sling mount?
A: Yes. It includes both a QD socket and a traditional loop sling mount.
Q: How is this different from the Bravo Stock?
A: The Sierra K is a slimmer, more compact version of the Bravo, designed for minimalist builds.
Q: Does it come in other colors?
A: Yes, the Sierra K is also available in Black, OD Green, and Coyote Brown.
Step into the world of minimalist precision with the B5 Systems Sierra K SRK-1656 in Flat Dark Earth. Whether you’re operating in the field or customizing your SBR, this stock delivers the strength and simplicity your build deserves.
Order yours now and complete your FDE AR-15 with style and function.
Also Available :
FAB Defense AR-15 Buttstock – Compact, Cheek Rest, Mil-Spec & Commercial Fit
CMMG Receiver Extension and Stock Kit – A1, Mk3
FAB Defense AR-15 Buttstock with Adjustable Cheek Rest – Fits Mil-Spec & Commercial Buffer Tubes
FAB Defense GL-CORE AR-15 Buttstock – Fits Mil-Spec & Commercial Buffer Tubes
Sylvan Arms Gen4 Folding Stock Adapter – Right Fold for AR10/AR15/AR9
DoubleStar Ace Folding Stock Mechanism with Integrated AR-15 Stock Interface
Magpul ACS – Adaptable Carbine Stock for Mil-Spec AR-15/M16 Platforms
Magpul CTR – Compact Type Restricted Stock for Mil-Spec AR-15/M16
SB Tactical SBA5 Brace – 10.25 Length, AR-Platform Compatibility
B5 Systems SRK-1655 Sierra K Stock – Black, ODG, Coyote Brown (Mil-Spec)
$99.99 Original price was: $99.99.$94.88Current price is: $94.88.
$90.69 Original price was: $90.69.$58.88Current price is: $58.88.
Reviews
There are no reviews yet.