Daniel Defense M4A1 FSP Rail Interface System (RIS) II - 01-004-08030-006 Black
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Daniel Defense
Overview
The Daniel Defense M4A1 FSP Rail Interface System (RIS) II is a durable handguard designed specifically for the AR-15 platform, featuring a length of 9.55 inches. With its Picatinny mounting interface, builders can easily attach a variety of accessories to enhance the performance and functionality of their firearm. This handguard is commonly found in builds utilizing a rifle-length gas system and chambered in 5.56 NATO, making it a practical choice for those looking to customize their setup.
Specifications
Daniel Defense M4A1 FSP Rail Interface System (RIS) II - 01-004-08030-006 Black
Available Merchants(1)
Frequently Built With
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 ReceiverBuild 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.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with 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 | 120 |
| 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% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 63.7% |
| .223 Wylde | 15.1% |
| 300 Blackout | 7.8% |
| .308 Win | 4% |
| .450 Bushmaster | 1.9% |
| 6mm ARC | 1.7% |
| 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% |
| 6.5 Creedmoor | 0.1% |
| 8.6 Blackout | 0.1% |
| .22 ARC | 0.1% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 43.7% |
| Carbine | 27.5% |
| Rifle | 16.6% |
| Pistol | 10.8% |
| Blowback | 1% |
| Proprietary | 0.2% |
| Intermediate | 0.1% |
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