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Daniel Defense
Overview
The Daniel Defense DDM4 Lite Rail 15" is a robust aluminum handguard designed for the AR-15 platform, providing a mounting interface with Picatinny sections for versatile accessory attachment. At 15.2 inches in length, it offers ample real estate for mounting lights, grips, and other tactical accessories while maintaining a lightweight profile. This handguard is commonly found in builds utilizing a mid-length gas system and chambered in 5.56 NATO, making it a reliable choice for those looking to enhance their firearm's functionality.
Specifications
Daniel Defense AR-15/M16 DDM4 Lite Rail 15"
Available Merchants(6)
Prices checked
Price Alert
Build history on GunPartPicker
Builders have added the Daniel Defense AR-15/M16 DDM4 Lite Rail 15" to their builds on GunPartPicker. Since April 2026, it ranks #147 of the 879 handguards builders have added. Builds with this handguard are mostly chambered in 5.56 NATO (75%, then .223 Wylde 13%), split between carbine-length (36%) and mid-length (36%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 5 of the 6 retailers we track have it in stock. Buying today, the lowest price is $459.99 at Ammunition Depot, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Wilson Combat AR-15 Billet Upper Receiver
Bravo Company M16 Bolt Carrier Group Black
Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
WMD Guns AR-15 Gas Tube Nitromet Mid-Length
Yankee Hill Machine Co. AR-15 16.5" Threaded Fluted Barrel 1-8 Twist
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use 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.
Builds Featuring This Part
See all builds →Builds in the community that include the Daniel Defense Ar-15/m16 Ddm4 Lite Rail 15"
| Build | Parts | Total |
|---|---|---|
 | 12 | $3189.08 |
 | 25 | $2320.93 |
 | 18 | $4511.44 |
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