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B5 Systems
Overview
The B5 Systems Polymer Trigger Guard in OD Green is designed to provide a reliable and sturdy interface for your AR-15's trigger assembly. Made from durable polymer, this trigger guard offers a lightweight solution while maintaining functionality and ease of use, particularly in various shooting conditions. This component is frequently found in builds that utilize a carbine gas system and chamber the popular 5.56 NATO caliber.
B5 Systems Polymer Trigger Guard - OD Green
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Prices checked
B5 Systems Polymer Trigger Guard - OD Green is the tenth most added trigger guard on GunPartPicker so far in October 2026, behind the Strike Industries Cobra Billet Aluminum Trigger Guard - Flat Dark Earth, with about 2% of all trigger guards added to builds. Up from #12 in September. Builds with this trigger guard are mostly chambered in 5.56 NATO (74%, then .223 Wylde 11%), split between mid-length (52%) and carbine-length (31%) gas systems, and mostly AR-15 (95%).
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 5 of the 7 retailers we track have it in stock. It dipped to $5.99 at Optics Planet for a stretch in September 2026, well under its usual $7.13, so sales do come around. Buying today, the lowest price is $6.10 at BattleHawk Armory.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every trigger guard by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Trigger Guard Guide →The part most often added in each category by hundreds of builds that include this one
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the B5 Systems Polymer Trigger Guard - Od Green
| Build | Parts | Total |
|---|---|---|
 | 25 | $533.28 |
 | 30 | $4013.57 |
 | 10 | $659.29 |
 | 24 | $1904.81 |
 | 18 | $1323.11 |
 | 19 | $1064.41 |
 | 15 | $685.50 |
 | 21 | $1595.52 |
 | 28 | $4858.12 |
 | 29 | $5362.06 |
 | 22 | $3597.79 |
 | 17 | $957.08 |
2 global ratings
Top reviews
Great trigger guard for the price. The polymer feels durable enough for my 5.56 carbine. It's not metal, obviously, but for a range toy or even a general use rifle, it's plenty sturdy. The color is a nice touch for muted builds.
Picked this up for a new build. The OD green matches my furniture well. Install was straightforward, it holds up during range days. Nothing fancy, but it does the job right.
