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Magpul
Overview
The Magpul AR-15 MOE SL-S Stock is a collapsible stock designed for Mil-Spec buffer tubes, providing a streamlined profile and ergonomic design for enhanced user comfort and versatility. Constructed from durable polymer, this drop-in stock is compatible with carbine-length handguards and features an M-LOK mounting interface, allowing for easy attachment of accessories. This stock is often found in builds utilizing a mid-length gas system and chambered in 5.56 NATO, making it a solid choice for a variety of applications.
Magpul AR-15 MOE SL-S Stock Collapsible Mil-Spec FDE
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Prices checked
Magpul AR-15 MOE SL-S Stock Collapsible Mil-Spec FDE ranked #66 of the 245 stocks and braces builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #171 of the 560 stocks and braces builders have added. Builds with this stock are mostly chambered in 5.56 NATO (86%, then 300 Blackout 14%), mostly on mid-length gas (80%, then carbine-length 20%), and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today all 8 retailers we track have it in stock. It dipped to $73.99 at KY Gun Company for a stretch in October 2026, well under its usual $90.20, so sales do come around. Buying today, the lowest price is $73.99 at KY Gun Company, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every stock & brace by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Stock Popularity Report →Check it against the live catalog:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Magpul Ar-15 Moe Sl-S Stock Collapsible Mil-Spec Fde
| Build | Parts | Total |
|---|---|---|
![]() | 27 | $3796.58 |
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