The Magpul STR (Storage/Type Restricted) is a drop-in replacement buttstock
for AR15/M16 carbines using mil-spec sized receiver extension tubes.
A storage-capable version of the CTR®, the STR has improved cheekweld and
two water resistant battery tubes on a compact, reinforced polymer
A shielded operation lever and supplemental friction locking system prevent accidental operation and minimize excessive stock movement for enhanced weapon stability and accuracy.
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
100% Genuine Original Magpul Equipment, NOT PTS Version.