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B5 Systems
Overview
The B5 Systems Composite Trigger Guard is a lightweight polymer component designed to provide protection and a comfortable shooting experience for your AR-15 build. Its design allows for easy installation while ensuring that the trigger area remains unobstructed, making it suitable for various hand sizes and shooting styles. This trigger guard is commonly found in builds featuring a carbine gas system and chambered in 5.56 NATO, making it a practical choice for a wide range of applications.
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Based on build data

Strike Industries Extended Bolt Catch
Bolt Catch
Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK
Takedown Pin
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas Block
Wmd Guns Nitromet Ar-15 Bolt Catch
Bolt Catch
Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom
Lower Receiver
Law Tactical AR Folding Stock Adapter Gen 3 - HK
Stock AdapterAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Strike Industries Extended Bolt Catch | Bolt Catch | 112 |
| Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK | Takedown Pin | 102 |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 81 |
| Wmd Guns Nitromet Ar-15 Bolt Catch | Bolt Catch | 80 |
| Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom | Lower Receiver | 77 |
| Law Tactical AR Folding Stock Adapter Gen 3 - HK | Stock Adapter | 77 |
| Platform | Percentage |
|---|---|
| AR-15 | 80.8% |
| AR-10 | 16.8% |
| AR-9 | 2.4% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 68.2% |
| .223 Wylde | 13.7% |
| 300 Blackout | 6% |
| .308 Win | 4.1% |
| 9mm | 1.9% |
| .450 Bushmaster | 1.5% |
| 6mm ARC | 1.5% |
| 7.62x39mm | 0.9% |
| .458 SOCOM | 0.6% |
| .204 Ruger | 0.2% |
| .22 ARC | 0.2% |
| .22 LR | 0.2% |
| .223 Remington | 0.2% |
| 6.5 Creedmoor | 0.2% |
| 6.5 Grendel | 0.2% |
| 6.8 SPC II | 0.2% |
| 7.62x51 NATO | 0.2% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 47.7% |
| Carbine | 26.3% |
| Rifle | 15.1% |
| Pistol | 9.4% |
| Blowback | 0.8% |
| Intermediate | 0.5% |
| Proprietary | 0.3% |
Builds in the community that include the B5 Systems Composite Trigger Guard Highlander
| Build | Parts | Total |
|---|---|---|
![]() | 17 | $762.81 |
![]() | 28 | $1056.64 |
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