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Geissele
Overview
The Geissele Automatics AR-15 MK16 13.5" Super Modular Rail is a free-float handguard designed to provide a lightweight yet robust mounting platform for accessories. Constructed from aluminum and finished with hardcoat anodization, it ensures durability while maintaining a sleek profile. This rail features an M-LOK mounting interface, allowing builders to easily attach various accessories without adding unnecessary weight. Commonly found in mid-length gas system builds chambered in 5.56 NATO, this handguard is well-suited for those looking to optimize both performance and versatility.
Geissele Automatics AR-15 MK16 13.5" Super Modular Rail M-LOK Ddc
Geissele Automatics AR-15 MK16 13.5" Super Modular Rail M-LOK Ddc ranked #33 of the 243 handguards builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #29 of the 683 handguards builders have added. Builds with this handguard are mostly chambered in 5.56 NATO (92%, then .223 Wylde 8%), mostly on mid-length gas (82%, then rifle-length 9%), and mostly AR-15 (85%).
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 6 of the 8 retailers we track have it in stock. The best price crept up from $337.99 to $375 over September 2026. Buying today, the lowest price is $357 at BattleHawk Armory, above September's low of $337.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 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 Geissele Automatics Llc Ar-15 Mk16 13.5" Super Modular Rail M-Lok Ddc
| Build | Parts | Total |
|---|---|---|
 | 17 | $6733.40 |
 | 9 | $1189.31 |
| 20 | $3298.10 |
 | 27 | $2967.34 |
 | 14 | $3052.49 |
1 global rating
Top reviews
Geissele Mk16 13.5 inch handguard in DDC is the high end of their rail lineup. The proprietary barrel nut needs Geisseles specific wrench which I didnt own initially. Once I had the right tool install was straightforward. Light and rigid.
