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B5 Systems
Overview
The B5 Systems Trigger Guard in Flat Dark Earth is designed to enhance your AR-15 build with a durable polymer construction that provides a lightweight yet robust protective barrier for your trigger assembly. Its ergonomic design offers ample space for gloved hands, ensuring comfortable operation, especially during extended use. This trigger guard commonly appears in builds featuring a carbine gas system and chambered in 5.56 NATO, making it a practical choice for those seeking reliability and functionality.
B5 Systems Trigger Guard Flat Dark Earth Composite
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Prices checked
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today all 8 retailers we track have it in stock. It dipped to $4.99 at Palmetto State Armory for a stretch in October 2026, well under its usual $7.13, so sales do come around. Buying today, the lowest price is $4.99 at Palmetto State Armory, which matches the best price we saw in October.
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 the builds that include this one

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Builds in the community that include the B5 Systems Trigger Guard Flat Dark Earth Composite
| Build | Parts | Total |
|---|---|---|
![]() | 27 | $3796.58 |
![]() | 25 | $2320.93 |
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