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Daniel Defense
Overview
The Daniel Defense MK18 RIS II Quad Rail AR-15 Handguard - Flat Dark Earth - 9.55" is a handguard. Compare prices from multiple merchants and find the best deal.
Daniel Defense MK18 RIS II Quad Rail AR-15 Handguard - Flat Dark Earth - 9.55"
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Daniel Defense MK18 RIS II Quad Rail AR-15 Handguard - Flat Dark Earth - 9.55" ranked #54 of the 290 handguards builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #58 of the 874 handguards builders have added. Builds with this handguard are nearly all chambered in 5.56 NATO, mostly on carbine-length gas (88%, then mid-length 13%), 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 3 of the 5 retailers we track have it in stock. Prices barely moved in October 2026, holding around $516, with no real sale all month. Buying today, the lowest price is $501 at BattleHawk Armory, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every handguard by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Handguard Trends →Check it against the live catalog:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Daniel Defense MK18 RIS II Quad Rail AR-15 Handguard - Flat Dark Earth - 9.55"
| Build | Parts | Total |
|---|---|---|
| Smith & Wesson 16" 5.56 NATO AR-15 Build | 16 | $6064.52 |
![]() | 27 | $4932.14 |
![]() | 21 | $2227.87 |
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