B5 Systems Sierra K Stock Black * Compact Weapon Stock for PDW and Short-Barreled Rifles

B5 Systems Sierra K Receiver Extension, Fits B5 Systems Sierra K Extension, Black SRK-1655 The B5 Systems Sierra K Stock in black is engineered for compact weapon systems and personal defense weapons (PDWs). Its purpose-driven design offers a reduced overall size and a slim cheek weld profile, providing enhanced maneuverability and comfort in tight operational environments. The stock features a snag-free adjustment lever for quick and reliable length adjustments, even in high-pressure situations. Its limited rotation quick-detach (QD) mount allows for secure attachment and easy removal, while integral fixed sling mounts facilitate versatile carry options. Internal tensioners ensure stability and consistent performance, and the anti-slip buttpad provides a secure shoulder grip for improved control during rapid fire or extended use. This stock mounts via a shortened compact Mil-Spec receiver extension, making it compatible with a variety of compact and PDW platforms. Constructed by B5 Systems, the Sierra K offers a reliable, lightweight solution for tactical and sporting applications, seamlessly combining durability with ergonomic design for demanding users. Features: * Reduced overall size for compact weapon systems and PDWs * Slim cheek profile for improved comfort and control * Snag-free adjustment lever for quick length changes * Limited rotation QD mount for secure attachment and quick removal * Integral fixed sling mounts for versatile carry options * Internal tensioners for stability and consistent performance * Anti-slip buttpad for secure shoulder grip * Mounts via shortened compact Mil-Spec receiver extension