B5 Systems Sierra K Stock SRK-1655 Black
Compact stock optimized for PDW and short-barreled rifle systems. Features slim cheek profile, snag-free adjustment lever, QD sling mounts, and anti-slip buttpad.
B5 Systems Sierra K Compact Stock
The Sierra K represents a thoughtful approach to modern compact weapon systems. This stock is purpose-built for PDW (Personal Defense Weapon) platforms and short-barreled rifles where conventional stocks prove unwieldy.
Key Features
- Compact Design: Reduced overall length optimized for close-quarters work and vehicle operations
- Slim Cheek Profile: Maintains a low, streamlined silhouette without sacrificing cheek weld quality
- Snag-Free Adjustment Lever: Smooth operation without protrusions that catch on gear or clothing
- QD Sling Mounts: Limited-rotation quick-detach points for secure, reliable sling attachment
- Integral Fixed Sling Mounts: Additional mounting options for versatile carry configurations
- Internal Tensioners: Maintains zero and reduces rattle between stock and receiver extension
- Anti-Slip Buttpad: Secure purchase against body armor, plate carriers, or shooting positions
Specifications
Mounts on shortened compact Mil-Spec receiver extensions, making it compatible with purpose-built PDW platforms and modern compact rifle builds. The engineering reflects B5 Systems' commitment to practical, field-tested design.
Whether you're building a specialized defensive carbine or upgrading an existing compact platform, the Sierra K delivers the ergonomics and reliability serious shooters demand.
Features
- low-profile adjustment latch
- color-matched steel hardware
- mil-spec materials and finishes
- mounts via sierra k receiver extension kit
