Magpul Industries ACS Adaptable Carbine Stock, Mil-Spec Black with Storage – MAG370-BLK

Product Description

The Magpul ACS (Adaptable Carbine/Storage) Mil-Spec Stock is a drop-in replacement buttstock for AR-15/M4 carbines using mil-spec diameter receiver extension tubes. Designed for stability and comfort, it features dual, rear-access water-resistant battery storage tubes and an integral tail storage compartment. A shielded, anti-snag release latch and a supplemental friction lock system minimize unwanted movement for improved accuracy. The ACS includes a 0.30-inch rubber butt-pad that provides a secure shoulder purchase—even when wearing body armor or modular gear—and a sloping cheek weld for consistent, comfortable sight alignment.

Product Highlights

• Drop-in AR-15/M4 carbine stock for mil-spec receiver extension tubes
• Dual water-resistant battery storage tubes plus integral tail compartment
• Shielded anti-snag release latch with supplemental friction lock to reduce wobble
• Sloping cheek weld for a wide, comfortable contact surface
• Includes 0.30-inch rubber butt-pad for positive shoulder purchase

Specs

• Compatibility: AR-15/M4 carbines; mil-spec diameter buffer tube
• Length of Pull: 11.75–15.00 inches
• Weight: 0.89 lb
• Color: Black
• Included: 0.30-inch thick rubber butt-pad
• Storage: Dual rear-access battery tubes (water-resistant); integral tail compartment with right-side access door
• UPC: 873750001005
• Manufacturer Part Number: MAG370-BLK
• Brand Name: Magpul Industries
• Model: ACS (Adaptable Carbine/Storage)

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