The Magpul STR
(Storage/Type Restricted) is a drop-in replacement buttstock for carbines using
commercial-spec sized receiver extension tubes. A storage-capable version of the
CTR®, the STR has improved cheek weld and two water resistant battery tubes on a
compact, reinforced polymer A-frame design.
A shielded operation lever and
supplemental friction locking system prevent accidental operation and minimize
excessive stock movement for enhanced weapon stability and
The STR incorporates two integral sling
loops, a reversible push-button QD sling mount, and a replaceable 0.30" rubber
butt-pad which provides positive shoulder purchase to prevent slippage even with
body armor or modular gear.
commercial-spec sized carbine receiver extension tube (not included)
water-resistant battery storage tubes located on the left and right sides of
will store up to two (2) CR123A lithium or AA
accessible from the rear in any stock position via a hand-removable rubber