B5 Systems Ar-15 Enhanced Sopmod Stock Collapsible Mil-Spec Blk
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B5 Systems
Overview
The B5 Systems AR-15 Enhanced Sopmod Stock is a collapsible stock designed for Mil-Spec buffer tubes, ensuring a secure fit and adaptability for various shooting positions. Made from durable polymer, this stock offers a lightweight yet robust solution for your AR-15 build, enhancing your overall shooting experience with its ergonomic design. This stock is particularly popular in mid-length gas system builds chambered in 5.56 NATO, making it a solid choice for those looking to optimize their rifle's performance.
Specifications
B5 Systems Ar-15 Enhanced Sopmod Stock Collapsible Mil-Spec Blk in August 2026
B5 Systems Ar-15 Enhanced Sopmod Stock Collapsible Mil-Spec Blk ranked #22 of the 204 stocks and braces builders added on GunPartPicker in August 2026, behind the Odin Works Zulu Adjustable Stock Kit w/ Padded Pistol Buffer Tube & End Plate, Flat Dark Earth, with about 1 in every 111 stocks and braces added to builds. Up from #24 in July. Builds with this stock are nearly all chambered in 5.56 NATO and nearly all AR-15.
Updated · from real builds on GunPartPicker
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We ranked every stock & brace by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Stock Popularity Report →Frequently Built With
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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.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Builds Featuring This Part
See all 2 →Builds in the community that include the B5 Systems Ar-15 Enhanced Sopmod Stock Collapsible Mil-Spec Blk
| Build | Parts | Total |
|---|---|---|
 | 12 | $2344.63 |
 | 17 | $4178.69 |
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