B5 Systems Sierra K Stock - Black

The B5 Systems Sierra K Stock in black is built for compact and PDW-style weapon setups. This compact AR stock features ambidextrous QD sling mounts—both fixed and limited rotation—for versatile carry options. This stock attaches using the Sierra K Compact Mil-Spec Receiver Extension Kit (sold separately).

Features:

• Designed for PDW and compact weapon setups
• Ambidextrous QD sling mounts (fixed and limited rotation)
• Requires Sierra K Compact Mil-Spec Receiver Extension Kit (sold separately)
• Color: Black