B5 Systems AR-15 Enhanced SOPMOD Stock Collapsible Mil-Spec Black
All B5 Systems stocks & braces3 options
- Black, this page
- FDEfrom $62.49, in stock
- Grayfrom $62.49, in stock
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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 Black
3 options
- Black, this page
- FDEfrom $62.49, in stock
- Grayfrom $62.49, in stock
Available Merchants(9)
Prices checked
Price Alert
October 2026 so far on GunPartPicker
B5 Systems AR-15 Enhanced SOPMOD Stock Collapsible Mil-Spec Black ranks #24 of the 241 stocks and braces builders have added on GunPartPicker so far in October 2026, behind the Magpul AR-15 MOE SL-S Stock Collapsible Mil-Spec Black, with about 1 in every 143 stocks and braces added to builds. Up from #28 in September. Builds with this stock are mostly chambered in 5.56 NATO (77%, then .223 Wylde 13%), split between mid-length (50%) and carbine-length (29%) gas systems, and mostly AR-15 (94%).
It was in stock most days in September 2026, and today 6 of the 9 retailers we track have it in stock. It dipped to $55.85 at Sportsmans Outdoor Superstore for a stretch in September 2026, well under its usual $83.60 to $95, so sales do come around. Buying today, the lowest price is $55.85 at Sportsmans Outdoor Superstore, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
LMT MARS-L Ambidextrous AR-15 Stripped Lower Receiver
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
B5 Systems P-Grip 23 Black Composite
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Radian Weapons AR-15 Raptor/talon L/s Combo Black Anodized
CMMG AR-15 HD Pivot and Takedown Pin Parts KIT - 55AFF3B
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.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the B5 Systems Ar-15 Enhanced Sopmod Stock Collapsible Mil-Spec Blk
| Build | Parts | Total |
|---|---|---|
 | 12 | $2320.12 |
 | 17 | $4095.91 |
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