B5 Systems Sierra K Collapsible AR-15 Stock - Carbine

The B5 Systems Sierra K Stock 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.

Features:

• Designed for PDW and compact weapon setups
• Ambidextrous QD sling mounts, fixed and limited rotation
• Slim, low-profile adjustment latch
• Requires Sierra K Compact Mil-Spec Receiver Extension Kit (sold separately)
• Black finish
• 6.6 oz weight

The Sierra K's slim, low-profile latch makes length-of-pull adjustments easy while keeping a clean overall look, purpose-built for the most compact AR-platform builds.

B5 Systems believes in building products that favor function over flash. Every component is thought out and tested to ensure every product functions as intended -- if you're building a serious rifle you want to be able to trust, you can't go wrong with B5 Systems.