The Magpul STR is a drop-in collapsible carbine stock designed for AR-15/M4 platforms that use mil-spec receiver extension tubes. It combines a reinforced polymer A-frame with improved cheek weld and integrated, water-resistant battery storage tubes. The design features a shielded operation lever and a supplemental friction lock to reduce unintended movement and improve on-shoulder stability. Made in the USA for users seeking a practical, storage-capable stock option.
Key Specifications
- The length of pull adjusts between 10.90–14.20 inches for customizable fit.
- The construction is molded from Polymer for durability and reduced weight.
- The stock offers 6 positions to suit a range of shooter preferences.
- A No receiver extension tube is included with this stock.
- Designed for AR-15 carbines and compatible mil-spec platforms.
- The adjustment method is Collapsible to provide rapid length changes.
- Includes water-resistant battery storage tubes for discreet component storage.
- Finished in Black for a low-profile appearance.
- Identified as the STR model from Magpul.
Engineered for reliability and practical utility, the STR provides a compact, storage-capable solution that enhances fit and on-shoulder stability without unnecessary complexity. Its combination of robust construction, secure mounting features, and user-focused ergonomics makes it a straightforward upgrade for range, training, and general-purpose use — an effective addition to any informed shooter’s kit.
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