3 options
Click to see full view
B5 Systems
Overview
The B5 Systems AR-15 SOPMOD Bravo Stock is a collapsible stock designed for Mil-Spec buffer tubes, offering builders flexibility in length adjustment for optimal shoulder placement. Made from durable polymer, this stock provides a lightweight yet robust solution for your AR-15 platform. It is frequently utilized in builds featuring a mid-length gas system and chambered in 5.56 NATO, making it a popular choice among those looking for a versatile and reliable stock option.
B5 Systems AR-15 SOPMOD Bravo Stock Collapsible Mil-Spec Black
3 options
B5 Systems AR-15 SOPMOD Bravo Stock Collapsible Mil-Spec Black ranked #16 of the 204 stocks and braces builders added on GunPartPicker in August 2026, behind the ODIN Works Zulu 2.0 Adjustable AR Stock KIT - Black, with about 1% of all stocks and braces added to builds. Up from #23 in July. Builds with this stock are mostly chambered in 5.56 NATO (85%, then .223 Wylde 15%), mostly on mid-length gas (82%, then carbine-length 18%), and nearly all AR-15.
It was in stock most days in August 2026, and today 5 of the 8 retailers we track have it in stock. The best price crept up from $32.58 to $57.95 over August 2026. Buying today, the lowest price is $57.95 at Brownells, above August's low of $32.58, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 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:
The part most often added in each category by the 60 builds that include this one
Centurion Arms CM4 5.56 Forged AR-15 Receiver Set
Geissele Automatics G2S Two Stage AR-15 Trigger .154"
BCM GFHMK2MED Ambidextrous MK2 Charging Handle Compatible w/ Mil-Spec AR-15 Black 7075 T-6 Aluminum
B5 Systems P-Grip 23 Black Composite
Bravo Company M16 Bolt Carrier Group Black
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Aggregated and anonymized data showing how builders use this product
Builds in the community that include the B5 Systems Ar-15 Sopmod Bravo Stock Collapsible Mil-Spec Blk
| Build | Parts | Total |
|---|---|---|
 | 23 | $2930.32 |
 | 12 | $1356.38 |
 | 14 | $4039.75 |
| 19 | $1488.20 |
 | 14 | $1733.97 |
| 21 | $1158.86 |
 | 22 | $1414.51 |
2 global ratings
Top reviews
B5 SOPMOD bravo stock with the deeper cheek riser, comfortable cheek weld for an LPVO or red dot. lock lever engages positive on a mil spec tube. ambi QD sockets work for any sling setup
B5 Systems SOPMOD Bravo stock has the comfortable cheek weld geometry. Polymer is dense and durable - holds up to abuse. Locks tight at each position on a milspec carbine tube. Quality stock for a duty-style build.
