The Magpul STR (Storage/Type Restricted) Carbine Stock – Mil-Spec is a drop-in replacement buttstock for AR15/M4 carbines using Mil-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 accuracy
- .* The STR incorporates two integral sling loops, a reversible push-button QD sling mount, and a replaceable 0.30" thick rubber butt-pad which provides positive shoulder purchase to prevent slippage even with body armor or modular gear. Made in the USA.
- Platform AR10, AR15, M4, M16, M110, SR25
- Compatibility Mil-Spec sized carbine receiver extension tube (not included) from manufacturers such as Colt, Armalite, S&W, LMT, and others
- LOP, M4 Collapsed ~10.9 in.
- LOP, M4 Extended ~14.2 in.
- LOP Adjustment Range 3.3 in.
- Length, max 7.3 in.
- Weight 12.3 oz.
- Weight, w/ receiver extension 16.3 oz.
- Width, max 2.6 in.