Magpul 370 ACS™ Carbine Stock – Mil-Spec UNDER ARMOUR insert is rigid on sides

insert is rigid on sides

featuring tool-less length of pull and cheek piece height adjustment

Installs easily with no gunsmithing required*

Larue Stealth

0 get ready to confidently meet the needs of military and law enforcement as well as any outdoor enthusiast

Magpul 370 ACS™ Carbine Stock – Mil-Spec UNDER ARMOUR insert is rigid on sidesThe Magpul ACS (Adaptable Carbine Storage) Mil Spec Model is a drop in replacement buttstock for AR15 M4 carbines using mil spec sized receiver extension tubes. Dual, rear accessible, water resistant battery storage tubes and an integral storage compartment in the butt of the stock provides multiple storage options. Similar to the Magpul CTR, the ACS also features an anti snag release latch to prevent accidental activation along with a supplemental