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Availability: In Stock
Current Stock: Out of stock
The Magpul MAG370-ODG ACS Carbine Stock is a purpose-built replacement for standard AR-15/M16/M4 collapsible stocks, engineered for shooters who want integrated storage, a solid cheekweld, and fast, snag-free handling. This OD Green synthetic stock combines practical utility with the ergonomic refinement Magpul is known for—it's at home on a duty rifle, competition gun, or practical carbine where gear and accessibility matter.
Built around removable battery compartments that run the length of the comb, the ACS lets you stash 2 AA or 3 CR-123 batteries right where you need them, plus a larger trapdoor compartment on the right side for additional batteries, cleaning supplies, spare parts, or earpieces. Molded rubber caps seal the compartments against dust and water while their beveled exterior won't snag when you shoulder the rifle. The extra-wide, contoured comb provides a genuinely comfortable cheekweld—not an afterthought—and Magpul's dual-locking lever system adds a protective cam to prevent accidental stock collapse without sacrificing smooth adjustability. A molded sling attachment slot accommodates 1¼" slings, and the detachable rubber buttpad (matched to Magpul's CTR and UBR designs) keeps the stock seated securely on your shoulder.
The streamlined exterior geometry is deliberately smooth to shed vegetation and won't catch on slings or kit during vehicle entries and transitions. Fits mil-spec 1.14" O.D. buffer tubes found on Colt M4s and comparable mil-spec platforms that accept standard four- and six-position collapsible stocks. Note: mil-spec buffer tube not included.
| Brand | Magpul |
| Model | MAG370-ODG |
| Color | OD Green |
| Compatibility | AR-15/M16/M4 (mil-spec 1.14" O.D. buffer tube) |
| Buffer Tube | Not included |
| Material | Synthetic |
| Battery Storage | 2 AA or 3 CR-123 (removable compartments); additional space in trapdoor |
| Sling Attachment | Molded slot for 1¼" slings |
The ACS fits mil-spec 1.14" O.D. buffer tubes found on Colt M4s and similar mil-spec platforms that accept standard four- and six-position collapsible stocks. If your rifle uses a mil-spec tube, this stock will work. The buffer tube itself is not included.
The removable battery compartments along the comb hold 2 AA or 3 CR-123 batteries. The larger trapdoor compartment on the right side accommodates additional batteries, coiled cleaning cables, cleaning supplies, spare parts, earpieces, or other small items.
The ACS uses a protective cam lever in addition to the standard release lever. This secondary lock prevents accidental collapse from snags or bumps while still allowing you to adjust length of pull simply by pushing the release lever when you intentionally adjust it.
Yes. The detachable rubber buttpad can be removed and is the same design found on Magpul's CTR and UBR buttstocks. It helps keep the stock firmly seated on your shoulder and can be swapped if needed.
SKU: 115700761 • Width: 5.5in • Height: 2.8in • Depth: 8.5in • Weight: 1.19oz
Availability: In Stock
Current Stock: Out of stock
The Magpul MAG370-ODG ACS Carbine Stock is a purpose-built replacement for standard AR-15/M16/M4 collapsible stocks, engineered for shooters who want integrated storage, a solid cheekweld, and fast, snag-free handling. This OD Green synthetic stock combines practical utility with the ergonomic refinement Magpul is known for—it's at home on a duty rifle, competition gun, or practical carbine where gear and accessibility matter.
Built around removable battery compartments that run the length of the comb, the ACS lets you stash 2 AA or 3 CR-123 batteries right where you need them, plus a larger trapdoor compartment on the right side for additional batteries, cleaning supplies, spare parts, or earpieces. Molded rubber caps seal the compartments against dust and water while their beveled exterior won't snag when you shoulder the rifle. The extra-wide, contoured comb provides a genuinely comfortable cheekweld—not an afterthought—and Magpul's dual-locking lever system adds a protective cam to prevent accidental stock collapse without sacrificing smooth adjustability. A molded sling attachment slot accommodates 1¼" slings, and the detachable rubber buttpad (matched to Magpul's CTR and UBR designs) keeps the stock seated securely on your shoulder.
The streamlined exterior geometry is deliberately smooth to shed vegetation and won't catch on slings or kit during vehicle entries and transitions. Fits mil-spec 1.14" O.D. buffer tubes found on Colt M4s and comparable mil-spec platforms that accept standard four- and six-position collapsible stocks. Note: mil-spec buffer tube not included.
| Brand | Magpul |
| Model | MAG370-ODG |
| Color | OD Green |
| Compatibility | AR-15/M16/M4 (mil-spec 1.14" O.D. buffer tube) |
| Buffer Tube | Not included |
| Material | Synthetic |
| Battery Storage | 2 AA or 3 CR-123 (removable compartments); additional space in trapdoor |
| Sling Attachment | Molded slot for 1¼" slings |
The ACS fits mil-spec 1.14" O.D. buffer tubes found on Colt M4s and similar mil-spec platforms that accept standard four- and six-position collapsible stocks. If your rifle uses a mil-spec tube, this stock will work. The buffer tube itself is not included.
The removable battery compartments along the comb hold 2 AA or 3 CR-123 batteries. The larger trapdoor compartment on the right side accommodates additional batteries, coiled cleaning cables, cleaning supplies, spare parts, earpieces, or other small items.
The ACS uses a protective cam lever in addition to the standard release lever. This secondary lock prevents accidental collapse from snags or bumps while still allowing you to adjust length of pull simply by pushing the release lever when you intentionally adjust it.
Yes. The detachable rubber buttpad can be removed and is the same design found on Magpul's CTR and UBR buttstocks. It helps keep the stock firmly seated on your shoulder and can be swapped if needed.
SKU: 115700761 • Width: 5.5in • Height: 2.8in • Depth: 8.5in • Weight: 1.19oz