The B5 Systems Sierra K Stock ODG features a Mil-Spec buffer tube size and ODG finish, delivering professional-grade construction for AR-platform rifles. This compact stock boasts reduced overall size and slim cheek profile, a snag-free adjustment lever, limited rotation quick-detach mount, integral fixed sling mounts, internal tensioners, and anti-slip buttpad. The Sierra K measures 5.63″ in length and weighs 6.60 oz, making it an ideal choice for PDW and compact weapon configurations.
Ambidextrous quick-detach sling swivel sockets offer versatile carry options for tactical or training applications. Installation requires the Sierra K Compact Mil-Spec Receiver Extension Kit (sold separately). The Sierra K represents B5 Systems’ commitment to engineering quality components that perform reliably under demanding conditions.





