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B5 Systems
Overview
The B5 Systems SOPMOD Government stock is a collapsible polymer stock designed for Mil-Spec buffer tubes, offering a lightweight and durable option for your AR-15 build. Its FDE color provides a tactical appearance while ensuring compatibility with standard Mil-Spec components. This stock is often found in builds featuring a carbine gas system and chambered in 5.56 NATO, making it a popular choice for those looking to enhance both functionality and aesthetics.
Specifications
B5 Systems SOPMOD Government, Mil Spec, Coyote - SOP1352
Available Merchants(8)
Prices checked
Price Alert
October 2026 so far on GunPartPicker
B5 Systems SOPMOD Government, Mil Spec, Coyote - SOP1352 is the ninth most added stock on GunPartPicker so far in October 2026, behind the Magpul AR-15 CTR Stock Collapsible Mil-Spec Black, with about 3% of all stocks and braces added to builds. That's its 2nd straight month at #9. Builds with this stock are mostly chambered in 5.56 NATO (83%), split between mid-length (44%) and carbine-length (43%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 4 of the 8 retailers we track have it in stock. The best price drifted down from $86.99 to $83.99 over September 2026 without a real sale. Buying today, the lowest price is $86.99 at Ammunition Depot.
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 hundreds of builds that include this one
Spikes Tactical Upper/Lower Receiver .223 Remington AR Lower, Flat Dark Earth - STS1512
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Geissele Automatics AR-15 16 Super Duty Stripped Upper Receiver Ddc
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
B5 Systems Type 23 P-Grip - Coyote Brown
EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN
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 SOPMOD Government, Mil Spec, Coyote - SOP1352
| Build | Parts | Total |
|---|---|---|
| Smith & Wesson 16" 5.56 NATO AR-15 Build | 16 | $6099.71 |
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