Geissele Automatics AR-15 MK16 13.5" Super Modular Rail M-LOK Ddc

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Geissele Automatics Llc Ar-15 Mk16 13.5" Super Modular Rail M-Lok Ddc - Handguard for AR-15 - view 1
Geissele Automatics Llc Ar-15 Mk16 13.5" Super Modular Rail M-Lok Ddc - Handguard for AR-15 - view 2
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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.

Specifications

MPN05-650S
Handguard Length14
PlatformAR-15
ColorFDE
Mounting InterfaceM-LOK
MaterialAluminum
Construction TypeFree-Float
FinishHardcoat Anodized

Available Merchants(7)

Prices checked

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BattleHawk Armory logo
BattleHawk Armory
Shipping varies
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In Stock
$357.00
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Brownells
Free shipping
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In Stock
$375.00
Optics Planet logo
Optics Planet
Free shipping
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In Stock
$375.00
Primary Arms logo
Primary Arms
Free shipping
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In Stock
$375.00
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Ammunition Depot
~$28.90 est. shipping
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In Stock
$375.00
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Classic Firearms
Shipping varies
Shipping Speed
In Stock
$375.00
Palmetto State Armory logo
Palmetto State Armory
Free shipping
Shipping Speed
In Stock
$375.99

Price and stock

Availability is good for the Geissele Automatics AR-15 MK16 13.5" Super Modular Rail M-LOK Ddc: it was in stock at one retailer or another nearly every time we checked in October 2026, and today all 7 retailers we track have it in stock. Buying today, the lowest price is $357 at BattleHawk Armory, which matches the best price we saw in October.

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

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

100%
AR-15100%

Caliber

78.6%
5.56 NATO78.6%
.223 Wylde21.4%

Gas System

87.9%
Mid-Length87.9%
Carbine9.1%
Rifle3%

Builds Featuring This Part

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Builds in the community that include the Geissele Automatics Llc Ar-15 Mk16 13.5" Super Modular Rail M-Lok Ddc

BuildPartsTotal
SBR 12.5" 5.56 build
SBR 12.5" 5.56
17$6358.02
for hog hunting 16" build
for hog hunting 16"
9$1189.31
16" multi build
16" multi
20$3362.15
hog hunter 14.7" 5.56 build
hog hunter 14.7" 5.56
27$3013.23
As a backup 16" build
As a backup 16"
14$3074.02

Customer reviews

4.0out of 5

1 global rating

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Top reviews

B
Byers_Remorse_oef
Mk16 13.5 needs proper wrench
Reviewed on February 4, 2026

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.

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