Magpul AR-15 ACS Stock Collapsible Mil-Spec Gray
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Magpul
Overview
The Magpul ACS Stock is a collapsible stock designed for Mil-Spec buffer tubes, offering builders a flexible option for adjusting length of pull to enhance comfort and control during use. Made from durable polymer, this stock provides a lightweight yet robust solution for your AR-15 build. It is commonly found in builds featuring a mid-length gas system and chambered for 5.56 NATO, making it an ideal choice for those looking for a reliable and adaptable stock.
Specifications
Magpul AR-15 ACS Stock Collapsible Mil-Spec Gray
4 options
Build history on GunPartPicker
Builders on GunPartPicker first added the Magpul AR-15 ACS Stock Collapsible Mil-Spec Gray to a build in February 2026. Builds with this stock are nearly all chambered in .223 Wylde, split between mid-length (50%) and rifle-length (50%) gas systems, and mostly AR-15 (83%, then AR-10 17%).
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 6 of the 8 retailers we track have it in stock. Prices barely moved in September 2026, holding around $75.99, so there haven't been real sales lately. Buying today, the lowest price is $73.99 at KY Gun Company, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 10 builds that include this one
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Ergo Grips Suregrip Tactical Deluxe Grip Polymer Black
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
J P Enterprises Jpbc-2A Full-Mass Bolt & Carrier
Daniel Defense 14.5" 5.56 NATO CHF Mid-Length 1:7 Government Contour AR-15 Barrel With Gas Block
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all 1 →Builds in the community that include the Magpul Ar-15 Acs Stock Collapsible Mil-Spec Gray
| Build | Parts | Total |
|---|---|---|
 | 12 | $1700.38 |
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