Product Description
The Magpul ACS MAG370-GRY buttstock is a mil-spec drop-in upgrade for AR15/M4 carbines, combining adaptable storage with controlled fit and dependable shoulder support.
Its friction lock reduces stock movement, while the shielded release latch helps prevent accidental adjustment. Dual rear-accessible water-resistant battery tubes and a latching storage compartment keep essentials protected and accessible. Sloped cheek weld improves contact comfort, and the 0.30-inch rubber butt-pad provides a secure shoulder interface with armor or modular gear.
- Direct fit on mil-spec extensions.
- Dual water-resistant battery tubes.
- Latching tail compartment adds storage.
- Shielded latch and friction lock stabilize.
Built for stable, organized carbine use.
