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Expo Arms
Overview
The Expo Arms Rifle Length Gas Tube is designed to enhance the reliability and performance of your AR-15, featuring a polished stainless steel finish that not only provides durability but also resists corrosion. With a rifle-length gas system, this tube ensures optimal gas flow, which is critical for reliable cycling, especially in builds utilizing the .22 ARC caliber. This gas tube commonly appears in setups focused on precision and consistent operation, making it a solid choice for builders looking to maximize their rifle's performance.
Based on build data

Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas Block
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Radian Forward Assist - 7075 Aluminum - Black
Forward Assist
Spikes Tactical Made in USA Ejection Port Door for AR-15 Style Rifle - SED7002
Dust Cover
Wilson Combat Ar-15 Billet Upper Receiver
Upper Receiver
Maximize Your AR-15's Potential with Tacfire's 15" ACE M-LOK Handguard - Black Excellence - HG20-15
HandguardAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 146 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 95 |
| Radian Forward Assist - 7075 Aluminum - Black | Forward Assist | 86 |
| Spikes Tactical Made in USA Ejection Port Door for AR-15 Style Rifle - SED7002 | Dust Cover | 83 |
| Wilson Combat Ar-15 Billet Upper Receiver | Upper Receiver | 76 |
| Maximize Your AR-15's Potential with Tacfire's 15" ACE M-LOK Handguard - Black Excellence - HG20-15 | Handguard | 72 |
| Platform | Percentage |
|---|---|
| AR-15 | 87.6% |
| AR-10 | 9.9% |
| AR-9 | 2.5% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 66.2% |
| .223 Wylde | 15.2% |
| 300 Blackout | 7.6% |
| .308 Win | 3.6% |
| 6mm ARC | 1.3% |
| .450 Bushmaster | 1% |
| 6.5 Grendel | 0.9% |
| .458 SOCOM | 0.7% |
| 9mm | 0.7% |
| .223 Remington | 0.6% |
| 7.62x39mm | 0.6% |
| 7.62x51 NATO | 0.3% |
| .350 Legend | 0.3% |
| .204 Ruger | 0.1% |
| .22 ARC | 0.1% |
| .45 ACP | 0.1% |
| .50 Beowulf | 0.1% |
| 6.5 Creedmoor | 0.1% |
| 6.8 SPC II | 0.1% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 46.3% |
| Carbine | 27.2% |
| Rifle | 15% |
| Pistol | 10.4% |
| Blowback | 0.5% |
| Intermediate | 0.3% |
| Proprietary | 0.2% |
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