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B5 Systems
Overview
The B5 Systems AR-15 Collapsible Precision Stock in Flat Dark Earth is designed for versatility and adaptability, allowing you to easily adjust the length of pull to suit your shooting style or gear. This collapsible stock provides a solid platform for precision shooting while maintaining a lightweight profile, making it an excellent choice for builders looking to enhance their rifle's overall performance. It is commonly found in mid-length gas system builds chambered in 5.56 NATO, where stability and adjustability are key for effective shooting.
B5 Systems AR-15 Collapsible Precision Stock - Flat Dark Earth
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Builders have added the B5 Systems AR-15 Collapsible Precision Stock - Flat Dark Earth to their builds on GunPartPicker. Since April 2026, it ranks #56 of the 560 stocks and braces builders have added. Builds with this stock are split between 5.56 NATO (44%) and .308 Win (25%), mostly on rifle-length gas (60%, then carbine-length 20%), and mostly AR-15 (60%, then AR-10 40%).
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today all 7 retailers we track have it in stock. Prices barely moved in October 2026, holding around $218.50, with no real sale all month. Buying today, the lowest price is $218.50 at Optics Planet, 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 B5 Systems Ar-15 Collapsible Precision Stock - Flat Dark Earth
| Build | Parts | Total |
|---|---|---|
![]() | 18 | $4303.20 |
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