I
ilikebuildi762minor gripes
Reviewed on April 25, 2026Verified with Build
works well. install was a bit fiddly
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B5 Systems Trigger Guard ATG-001-01
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B5 Systems
Overview
The B5 Systems Trigger Guard ATG-001-01 is a robust aluminum trigger guard designed to enhance the functionality of your AR-15 build. Finished with hardcoat anodizing, this black trigger guard offers both durability and a sleek appearance, ensuring it can withstand the rigors of use while maintaining a professional look. This trigger guard is often found in mid-length gas system builds chambered in 5.56 NATO, providing a reliable component for builders looking to create a solid platform.
Specifications
MPNATG1092
ColorBlack
FinishHardcoat Anodized
MaterialAluminum
Frequently Built With
Based on build data
CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B
Strike Industries Extended Bolt Catch
Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension
Timber Creek Outdoors Ambidextrous Safety Selector - Black
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger
Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C
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.
71.6%
AR-1571.6%
AR-1023.9%
AR-94.5%
CaliberBased on real build data showing which calibers builders choose alongside this product.
75%
5.56 NATO75%
.223 Wylde12.5%
300 Blackout5.4%
.450 Bushmaster1.8%
.308 Win1.8%
Other3.6%
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
40.9%
Mid-Length40.9%
Carbine25%
Rifle20.5%
Pistol11.4%
Intermediate2.3%
| Product | Category | Times Built Together |
|---|---|---|
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 240 | |
| Strike Industries Extended Bolt Catch | 163 | |
| Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension | 158 | |
| Timber Creek Outdoors Ambidextrous Safety Selector - Black | 126 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 118 | |
| Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C | 107 |
| Platform | Percentage |
|---|---|
| AR-15 | 71.6% |
| AR-10 | 23.9% |
| AR-9 | 4.5% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 75% |
| .223 Wylde | 12.5% |
| 300 Blackout | 5.4% |
| .450 Bushmaster | 1.8% |
| .308 Win | 1.8% |
| 6.5 Creedmoor | 1.8% |
| 9mm | 1.8% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 40.9% |
| Carbine | 25% |
| Rifle | 20.5% |
| Pistol | 11.4% |
| Intermediate | 2.3% |
Builds Featuring This Part
See all 74 →Builds in the community that include the B5 Systems Trigger Guard ATG-001-01
| Build | Parts | Total |
|---|---|---|
 | 23 | $2363.24 |
 | 24 | $1525.43 |
 | 28 | $3508.44 |
 | 31 | $2748.00 |
 | 18 | $1379.28 |
 | 14 | $2283.45 |
 | 13 | $1238.33 |
 | 30 | $4531.98 |
 | 27 | $4045.71 |
| 28 | $2872.98 |
 | 22 | $1776.19 |
 | 24 | $3664.32 |
Customer reviews
4.3out of 5
4 global ratings
Top reviews
D
dusters16_recceno complaints
Reviewed on March 19, 2026Verified with Build
drops right in no issues
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C
Claudelsmall things to mention
Reviewed on March 11, 2026Verified with Build
works well. install was a bit fiddly
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J
jebstewart11wish it had pins
Reviewed on March 5, 2026Verified with Build
works as expected. price is a little steep for what it is
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