2 water-resistant battery storage tubes
Shielded release latch prevents snagging
Friction lock minimizes wobble
Premium chrome-silicon lock spring
Sloping cheek weld for a slim profile & comfort
The Magpul STR (Storage/Type Restricted) is a drop-in replacement buttstock with storage capabilities for AR15/M4 carbines using mil-spec sized receiver extension tubes. The STR has improved cheek weld and two water-resistant battery tubes on a compact, reinforced polymer A-frame design. Each tube will store up to two CR123A lithium or AA batteries and are accessible from the rear in any stock position. A shielded operation lever and supplemental friction locking system prevent accidental operation and minimize excessive stock movement for enhanced weapon stability and accuracy.
The premium chrome-silicon lock spring on the STR provides positive locking and long service life. The sloping cheek weld combines a slim profile with user comfort. This stock incorporates two integral sling loops, a reversible push-button QD sling mount, and a replaceable 0.30" rubber butt-pad which offers positive shoulder purchase to prevent slippage even with body armor or modular gear. Made in the USA. Weight: 0.77 lbs. Max length: 7.30". LOP adjustment range: 3.25".