The Magpul STR (Storage/Type Restricted) Carbine Stock - Commercial-Spec is a drop-in replacement buttstock for AR15/M4 carbines using Commercial-Spec-sized receiver extension tubes.

A storage-capable version of the CTR®, the STR has an improved cheek weld and two water-resistant battery tubes on a compact, reinforced polymer A-frame design.

Product Code: MAG471

For more information visit: https://magpul.com/str-carbine-stock-commercial-spec.html?mp_global_color=118

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