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Daniel Defense
Overview
The Daniel Defense M4A1 FSP Rail Interface System (RIS) II - 01-004-08030-006 Black is a handguard. Compare prices from multiple merchants and find the best deal.
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
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
Gas Tube
Wilson Combat Ar-15 Billet Upper Receiver
Upper Receiver
BLEM PSA AR15 Complete Classic Stealth Lower, Black
Lower Receiver
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Upper ReceiverAggregated 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 | 139 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 137 |
| Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length | Gas Tube | 127 |
| Wilson Combat Ar-15 Billet Upper Receiver | Upper Receiver | 121 |
| BLEM PSA AR15 Complete Classic Stealth Lower, Black | Lower Receiver | 109 |
| Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4 | Upper Receiver | 91 |
| Platform | Percentage |
|---|---|
| AR-15 | 87.8% |
| AR-10 | 9.2% |
| AR-9 | 3.1% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 63.7% |
| .223 Wylde | 15.1% |
| 300 Blackout | 8% |
| .308 Win | 4% |
| .450 Bushmaster | 1.8% |
| 6mm ARC | 1.6% |
| 9mm | 1.6% |
| 6.5 Grendel | 1.1% |
| .458 SOCOM | 0.9% |
| 7.62x39mm | 0.8% |
| .223 Remington | 0.4% |
| .350 Legend | 0.3% |
| .204 Ruger | 0.2% |
| 6.8 SPC II | 0.2% |
| 7.62x51 NATO | 0.2% |
| .50 Beowulf | 0.1% |
| 8.6 Blackout | 0.1% |
| .22 ARC | 0.1% |
| 6.5 Creedmoor | 0.1% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 43.8% |
| Carbine | 27.2% |
| Rifle | 16.6% |
| Pistol | 11.1% |
| Blowback | 1% |
| Proprietary | 0.2% |
| Intermediate | 0.1% |
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